/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/EvenOdd03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-8fc6572 [2020-07-10 14:43:18,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-10 14:43:18,260 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-10 14:43:18,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-10 14:43:18,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-10 14:43:18,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-10 14:43:18,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-10 14:43:18,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-10 14:43:18,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-10 14:43:18,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-10 14:43:18,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-10 14:43:18,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-10 14:43:18,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-10 14:43:18,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-10 14:43:18,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-10 14:43:18,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-10 14:43:18,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-10 14:43:18,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-10 14:43:18,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-10 14:43:18,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-10 14:43:18,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-10 14:43:18,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-10 14:43:18,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-10 14:43:18,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-10 14:43:18,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-07-10 14:43:18,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-10 14:43:18,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-10 14:43:18,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-10 14:43:18,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-10 14:43:18,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-10 14:43:18,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-10 14:43:18,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-10 14:43:18,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-10 14:43:18,308 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-10 14:43:18,309 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-10 14:43:18,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-10 14:43:18,310 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-10 14:43:18,325 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-10 14:43:18,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-10 14:43:18,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-10 14:43:18,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-10 14:43:18,327 INFO L138 SettingsManager]: * Use SBE=true [2020-07-10 14:43:18,327 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-10 14:43:18,327 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-10 14:43:18,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-10 14:43:18,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-10 14:43:18,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-10 14:43:18,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-10 14:43:18,328 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-10 14:43:18,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-10 14:43:18,329 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-10 14:43:18,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-10 14:43:18,329 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-10 14:43:18,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-10 14:43:18,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-10 14:43:18,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-10 14:43:18,330 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-10 14:43:18,330 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-10 14:43:18,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-10 14:43:18,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-10 14:43:18,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-10 14:43:18,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-10 14:43:18,331 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-10 14:43:18,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-10 14:43:18,331 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-10 14:43:18,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-10 14:43:18,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-10 14:43:18,647 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-10 14:43:18,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-10 14:43:18,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-10 14:43:18,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-10 14:43:18,666 INFO L275 PluginConnector]: CDTParser initialized [2020-07-10 14:43:18,667 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/EvenOdd03.c [2020-07-10 14:43:18,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41091223b/418510c8db8e41b883160dbac00c7de4/FLAG5ef758462 [2020-07-10 14:43:19,243 INFO L306 CDTParser]: Found 1 translation units. [2020-07-10 14:43:19,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/EvenOdd03.c [2020-07-10 14:43:19,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41091223b/418510c8db8e41b883160dbac00c7de4/FLAG5ef758462 [2020-07-10 14:43:19,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41091223b/418510c8db8e41b883160dbac00c7de4 [2020-07-10 14:43:19,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-10 14:43:19,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-10 14:43:19,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-10 14:43:19,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-10 14:43:19,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-10 14:43:19,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:43:19" (1/1) ... [2020-07-10 14:43:19,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f89a8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19, skipping insertion in model container [2020-07-10 14:43:19,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:43:19" (1/1) ... [2020-07-10 14:43:19,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-10 14:43:19,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-10 14:43:19,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:43:19,834 INFO L203 MainTranslator]: Completed pre-run [2020-07-10 14:43:19,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-10 14:43:19,872 INFO L208 MainTranslator]: Completed translation [2020-07-10 14:43:19,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19 WrapperNode [2020-07-10 14:43:19,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-10 14:43:19,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-10 14:43:19,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-10 14:43:19,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-10 14:43:19,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19" (1/1) ... [2020-07-10 14:43:19,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19" (1/1) ... [2020-07-10 14:43:19,971 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19" (1/1) ... [2020-07-10 14:43:19,972 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19" (1/1) ... [2020-07-10 14:43:19,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19" (1/1) ... [2020-07-10 14:43:19,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19" (1/1) ... [2020-07-10 14:43:19,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19" (1/1) ... [2020-07-10 14:43:19,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-10 14:43:19,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-10 14:43:19,984 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-10 14:43:19,984 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-10 14:43:19,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19" (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 [2020-07-10 14:43:20,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-10 14:43:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-10 14:43:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2020-07-10 14:43:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2020-07-10 14:43:20,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-10 14:43:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-10 14:43:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-10 14:43:20,054 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2020-07-10 14:43:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2020-07-10 14:43:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-10 14:43:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-10 14:43:20,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-10 14:43:20,349 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-10 14:43:20,349 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-10 14:43:20,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:43:20 BoogieIcfgContainer [2020-07-10 14:43:20,355 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-10 14:43:20,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-10 14:43:20,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-10 14:43:20,361 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-10 14:43:20,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:43:19" (1/3) ... [2020-07-10 14:43:20,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4276ceae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:43:20, skipping insertion in model container [2020-07-10 14:43:20,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:43:19" (2/3) ... [2020-07-10 14:43:20,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4276ceae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:43:20, skipping insertion in model container [2020-07-10 14:43:20,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:43:20" (3/3) ... [2020-07-10 14:43:20,366 INFO L109 eAbstractionObserver]: Analyzing ICFG EvenOdd03.c [2020-07-10 14:43:20,381 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-10 14:43:20,391 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-10 14:43:20,418 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-10 14:43:20,486 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-10 14:43:20,487 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-10 14:43:20,487 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-10 14:43:20,487 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-10 14:43:20,487 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-10 14:43:20,487 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-10 14:43:20,487 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-10 14:43:20,487 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-10 14:43:20,511 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-07-10 14:43:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-10 14:43:20,518 INFO L414 BasicCegarLoop]: Found error trace [2020-07-10 14:43:20,520 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-10 14:43:20,520 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-10 14:43:20,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-10 14:43:20,526 INFO L82 PathProgramCache]: Analyzing trace with hash -241846627, now seen corresponding path program 1 times [2020-07-10 14:43:20,534 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-10 14:43:20,535 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993280632] [2020-07-10 14:43:20,535 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-10 14:43:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:43:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-10 14:43:20,676 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-10 14:43:20,677 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-10 14:43:20,678 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-10 14:43:20,706 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-10 14:43:20,707 WARN L170 areAnnotationChecker]: isEvenENTRY has no Hoare annotation [2020-07-10 14:43:20,707 WARN L170 areAnnotationChecker]: isOddENTRY has no Hoare annotation [2020-07-10 14:43:20,707 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:43:20,707 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-10 14:43:20,708 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-10 14:43:20,708 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-10 14:43:20,708 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-10 14:43:20,708 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-10 14:43:20,708 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-10 14:43:20,708 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-10 14:43:20,709 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:43:20,709 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-10 14:43:20,709 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 14:43:20,709 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-10 14:43:20,709 WARN L170 areAnnotationChecker]: isEvenFINAL has no Hoare annotation [2020-07-10 14:43:20,710 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-10 14:43:20,710 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-10 14:43:20,710 WARN L170 areAnnotationChecker]: isOddFINAL has no Hoare annotation [2020-07-10 14:43:20,710 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 14:43:20,710 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-10 14:43:20,711 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-10 14:43:20,711 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-10 14:43:20,711 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 14:43:20,711 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-10 14:43:20,711 WARN L170 areAnnotationChecker]: isEvenEXIT has no Hoare annotation [2020-07-10 14:43:20,712 WARN L170 areAnnotationChecker]: isEvenEXIT has no Hoare annotation [2020-07-10 14:43:20,712 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 14:43:20,712 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-10 14:43:20,712 WARN L170 areAnnotationChecker]: isOddEXIT has no Hoare annotation [2020-07-10 14:43:20,712 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-10 14:43:20,713 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-10 14:43:20,713 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-10 14:43:20,713 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-10 14:43:20,713 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-10 14:43:20,713 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-10 14:43:20,714 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-10 14:43:20,714 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-10 14:43:20,714 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-10 14:43:20,714 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-10 14:43:20,714 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-10 14:43:20,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:43:20 BoogieIcfgContainer [2020-07-10 14:43:20,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-10 14:43:20,722 INFO L168 Benchmark]: Toolchain (without parser) took 1104.50 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 102.5 MB in the beginning and 145.3 MB in the end (delta: -42.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-07-10 14:43:20,723 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-10 14:43:20,724 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.03 ms. Allocated memory is still 137.4 MB. Free memory was 102.3 MB in the beginning and 92.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2020-07-10 14:43:20,726 INFO L168 Benchmark]: Boogie Preprocessor took 110.24 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 92.0 MB in the beginning and 180.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. [2020-07-10 14:43:20,727 INFO L168 Benchmark]: RCFGBuilder took 370.96 ms. Allocated memory is still 200.8 MB. Free memory was 179.4 MB in the beginning and 161.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2020-07-10 14:43:20,727 INFO L168 Benchmark]: TraceAbstraction took 362.26 ms. Allocated memory is still 200.8 MB. Free memory was 160.3 MB in the beginning and 145.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. [2020-07-10 14:43:20,731 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.03 ms. Allocated memory is still 137.4 MB. Free memory was 102.3 MB in the beginning and 92.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 110.24 ms. Allocated memory was 137.4 MB in the beginning and 200.8 MB in the end (delta: 63.4 MB). Free memory was 92.0 MB in the beginning and 180.0 MB in the end (delta: -88.0 MB). Peak memory consumption was 14.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.96 ms. Allocated memory is still 200.8 MB. Free memory was 179.4 MB in the beginning and 161.0 MB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 362.26 ms. Allocated memory is still 200.8 MB. Free memory was 160.3 MB in the beginning and 145.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 47]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L38] int n = __VERIFIER_nondet_int(); [L39] COND FALSE !(n < 0) VAL [n=0] [L42] CALL, EXPR isEven(n) VAL [\old(n)=0] [L27] COND TRUE n == 0 [L28] return 1; VAL [\old(n)=0, \result=1, n=0] [L42] RET, EXPR isEven(n) VAL [isEven(n)=1, n=0] [L42] int result = isEven(n); [L43] int mod = n % 2; VAL [mod=0, n=0, result=1] [L44] COND FALSE !(result < 0 || result == mod) VAL [mod=0, n=0, result=1] [L47] __VERIFIER_error() VAL [mod=0, n=0, result=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...