/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 0.1.25-267fbe0 [2020-07-17 22:06:49,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 22:06:49,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 22:06:49,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 22:06:49,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 22:06:49,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 22:06:49,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 22:06:49,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 22:06:49,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 22:06:49,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 22:06:49,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 22:06:49,992 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 22:06:49,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 22:06:49,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 22:06:49,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 22:06:49,996 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 22:06:49,997 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 22:06:49,997 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 22:06:49,999 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 22:06:50,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 22:06:50,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 22:06:50,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 22:06:50,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 22:06:50,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 22:06:50,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 22:06:50,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 22:06:50,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 22:06:50,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 22:06:50,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 22:06:50,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 22:06:50,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 22:06:50,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 22:06:50,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 22:06:50,026 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 22:06:50,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 22:06:50,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 22:06:50,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 22:06:50,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 22:06:50,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 22:06:50,032 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 22:06:50,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 22:06:50,035 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 [2020-07-17 22:06:50,059 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 22:06:50,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 22:06:50,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 22:06:50,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 22:06:50,062 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 22:06:50,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 22:06:50,062 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 22:06:50,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 22:06:50,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 22:06:50,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 22:06:50,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 22:06:50,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 22:06:50,064 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 22:06:50,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 22:06:50,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 22:06:50,065 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 22:06:50,065 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 22:06:50,065 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 22:06:50,066 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 22:06:50,066 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 22:06:50,066 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 22:06:50,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 22:06:50,066 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 22:06:50,067 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 22:06:50,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 22:06:50,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 22:06:50,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 22:06:50,067 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 22:06:50,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 22:06:50,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 22:06:50,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 22:06:50,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 22:06:50,360 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 22:06:50,362 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 22:06:50,362 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 22:06:50,363 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/EvenOdd03.c [2020-07-17 22:06:50,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aaad47fd/dac13e7c14414345b9c8b42865705c46/FLAGf3eb73ee7 [2020-07-17 22:06:50,938 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 22:06:50,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/EvenOdd03.c [2020-07-17 22:06:50,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aaad47fd/dac13e7c14414345b9c8b42865705c46/FLAGf3eb73ee7 [2020-07-17 22:06:51,309 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7aaad47fd/dac13e7c14414345b9c8b42865705c46 [2020-07-17 22:06:51,318 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 22:06:51,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 22:06:51,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 22:06:51,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 22:06:51,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 22:06:51,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:06:51" (1/1) ... [2020-07-17 22:06:51,332 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dfc5529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51, skipping insertion in model container [2020-07-17 22:06:51,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 10:06:51" (1/1) ... [2020-07-17 22:06:51,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 22:06:51,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 22:06:51,558 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:06:51,563 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 22:06:51,580 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 22:06:51,595 INFO L208 MainTranslator]: Completed translation [2020-07-17 22:06:51,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51 WrapperNode [2020-07-17 22:06:51,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 22:06:51,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 22:06:51,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 22:06:51,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 22:06:51,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51" (1/1) ... [2020-07-17 22:06:51,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51" (1/1) ... [2020-07-17 22:06:51,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51" (1/1) ... [2020-07-17 22:06:51,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51" (1/1) ... [2020-07-17 22:06:51,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51" (1/1) ... [2020-07-17 22:06:51,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51" (1/1) ... [2020-07-17 22:06:51,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51" (1/1) ... [2020-07-17 22:06:51,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 22:06:51,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 22:06:51,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 22:06:51,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 22:06:51,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51" (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 [2020-07-17 22:06:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 22:06:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 22:06:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2020-07-17 22:06:51,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2020-07-17 22:06:51,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 22:06:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 22:06:51,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 22:06:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2020-07-17 22:06:51,790 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2020-07-17 22:06:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 22:06:51,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 22:06:51,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 22:06:52,146 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 22:06:52,147 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-17 22:06:52,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:06:52 BoogieIcfgContainer [2020-07-17 22:06:52,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 22:06:52,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 22:06:52,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 22:06:52,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 22:06:52,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 10:06:51" (1/3) ... [2020-07-17 22:06:52,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69935ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:06:52, skipping insertion in model container [2020-07-17 22:06:52,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 10:06:51" (2/3) ... [2020-07-17 22:06:52,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69935ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 10:06:52, skipping insertion in model container [2020-07-17 22:06:52,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 10:06:52" (3/3) ... [2020-07-17 22:06:52,160 INFO L109 eAbstractionObserver]: Analyzing ICFG EvenOdd03.c [2020-07-17 22:06:52,171 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 22:06:52,179 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 22:06:52,191 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 22:06:52,216 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 22:06:52,216 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 22:06:52,216 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 22:06:52,217 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 22:06:52,217 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 22:06:52,217 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 22:06:52,217 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 22:06:52,217 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 22:06:52,236 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-07-17 22:06:52,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-07-17 22:06:52,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 22:06:52,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 22:06:52,246 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 22:06:52,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 22:06:52,252 INFO L82 PathProgramCache]: Analyzing trace with hash -241846627, now seen corresponding path program 1 times [2020-07-17 22:06:52,263 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 22:06:52,263 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822822801] [2020-07-17 22:06:52,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 22:06:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:06:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-17 22:06:52,410 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-17 22:06:52,411 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-17 22:06:52,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 22:06:52,441 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-17 22:06:52,441 WARN L170 areAnnotationChecker]: isEvenENTRY has no Hoare annotation [2020-07-17 22:06:52,442 WARN L170 areAnnotationChecker]: isOddENTRY has no Hoare annotation [2020-07-17 22:06:52,442 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:06:52,442 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-17 22:06:52,442 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-17 22:06:52,443 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-17 22:06:52,443 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:06:52,443 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-17 22:06:52,443 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-17 22:06:52,443 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-17 22:06:52,444 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:06:52,444 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-17 22:06:52,444 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:06:52,444 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-17 22:06:52,444 WARN L170 areAnnotationChecker]: isEvenFINAL has no Hoare annotation [2020-07-17 22:06:52,444 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-17 22:06:52,445 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-17 22:06:52,445 WARN L170 areAnnotationChecker]: isOddFINAL has no Hoare annotation [2020-07-17 22:06:52,445 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-17 22:06:52,445 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-17 22:06:52,445 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-17 22:06:52,446 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-17 22:06:52,446 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-17 22:06:52,446 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-17 22:06:52,446 WARN L170 areAnnotationChecker]: isEvenEXIT has no Hoare annotation [2020-07-17 22:06:52,447 WARN L170 areAnnotationChecker]: isEvenEXIT has no Hoare annotation [2020-07-17 22:06:52,447 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-17 22:06:52,447 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-17 22:06:52,447 WARN L170 areAnnotationChecker]: isOddEXIT has no Hoare annotation [2020-07-17 22:06:52,447 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:06:52,447 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-17 22:06:52,448 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-17 22:06:52,448 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-17 22:06:52,448 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-17 22:06:52,448 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-17 22:06:52,448 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:06:52,448 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-17 22:06:52,449 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-17 22:06:52,449 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-17 22:06:52,449 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. [2020-07-17 22:06:52,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 10:06:52 BoogieIcfgContainer [2020-07-17 22:06:52,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 22:06:52,457 INFO L168 Benchmark]: Toolchain (without parser) took 1135.56 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 102.8 MB in the beginning and 146.6 MB in the end (delta: -43.9 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:52,458 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 22:06:52,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.89 ms. Allocated memory is still 138.4 MB. Free memory was 102.6 MB in the beginning and 92.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:52,460 INFO L168 Benchmark]: Boogie Preprocessor took 115.05 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 92.6 MB in the beginning and 181.7 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:52,461 INFO L168 Benchmark]: RCFGBuilder took 439.10 ms. Allocated memory is still 202.9 MB. Free memory was 181.0 MB in the beginning and 162.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:52,462 INFO L168 Benchmark]: TraceAbstraction took 300.16 ms. Allocated memory is still 202.9 MB. Free memory was 162.1 MB in the beginning and 146.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2020-07-17 22:06:52,466 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 0.51 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 273.89 ms. Allocated memory is still 138.4 MB. Free memory was 102.6 MB in the beginning and 92.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.05 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 92.6 MB in the beginning and 181.7 MB in the end (delta: -89.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 439.10 ms. Allocated memory is still 202.9 MB. Free memory was 181.0 MB in the beginning and 162.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 300.16 ms. Allocated memory is still 202.9 MB. Free memory was 162.1 MB in the beginning and 146.6 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 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: 0.1s, 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...