/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/recursive/EvenOdd03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-18 00:14:00,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-18 00:14:00,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-18 00:14:00,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-18 00:14:00,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-18 00:14:00,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-18 00:14:00,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-18 00:14:00,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-18 00:14:00,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-18 00:14:00,218 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-18 00:14:00,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-18 00:14:00,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-18 00:14:00,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-18 00:14:00,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-18 00:14:00,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-18 00:14:00,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-18 00:14:00,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-18 00:14:00,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-18 00:14:00,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-18 00:14:00,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-18 00:14:00,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-18 00:14:00,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-18 00:14:00,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-18 00:14:00,249 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-18 00:14:00,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-18 00:14:00,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-18 00:14:00,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-18 00:14:00,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-18 00:14:00,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-18 00:14:00,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-18 00:14:00,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-18 00:14:00,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-18 00:14:00,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-18 00:14:00,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-18 00:14:00,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-18 00:14:00,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-18 00:14:00,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-18 00:14:00,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-18 00:14:00,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-18 00:14:00,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-18 00:14:00,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-18 00:14:00,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-18 00:14:00,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-18 00:14:00,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-18 00:14:00,287 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-18 00:14:00,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-18 00:14:00,287 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-18 00:14:00,287 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-18 00:14:00,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-18 00:14:00,288 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-18 00:14:00,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-18 00:14:00,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-18 00:14:00,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-18 00:14:00,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-18 00:14:00,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-18 00:14:00,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-18 00:14:00,290 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-18 00:14:00,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-18 00:14:00,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-18 00:14:00,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-18 00:14:00,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-18 00:14:00,578 INFO L275 PluginConnector]: CDTParser initialized [2020-07-18 00:14:00,579 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/EvenOdd03.c [2020-07-18 00:14:00,655 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175278018/bb05948753444247b18c72bb3c8fbc52/FLAG9a77f23eb [2020-07-18 00:14:01,140 INFO L306 CDTParser]: Found 1 translation units. [2020-07-18 00:14:01,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/EvenOdd03.c [2020-07-18 00:14:01,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175278018/bb05948753444247b18c72bb3c8fbc52/FLAG9a77f23eb [2020-07-18 00:14:01,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/175278018/bb05948753444247b18c72bb3c8fbc52 [2020-07-18 00:14:01,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-18 00:14:01,510 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-18 00:14:01,511 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-18 00:14:01,511 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-18 00:14:01,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-18 00:14:01,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:14:01" (1/1) ... [2020-07-18 00:14:01,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24213b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01, skipping insertion in model container [2020-07-18 00:14:01,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.07 12:14:01" (1/1) ... [2020-07-18 00:14:01,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-18 00:14:01,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-18 00:14:01,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:14:01,747 INFO L203 MainTranslator]: Completed pre-run [2020-07-18 00:14:01,771 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-18 00:14:01,789 INFO L208 MainTranslator]: Completed translation [2020-07-18 00:14:01,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01 WrapperNode [2020-07-18 00:14:01,790 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-18 00:14:01,791 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-18 00:14:01,791 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-18 00:14:01,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-18 00:14:01,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01" (1/1) ... [2020-07-18 00:14:01,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01" (1/1) ... [2020-07-18 00:14:01,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01" (1/1) ... [2020-07-18 00:14:01,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01" (1/1) ... [2020-07-18 00:14:01,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01" (1/1) ... [2020-07-18 00:14:01,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01" (1/1) ... [2020-07-18 00:14:01,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01" (1/1) ... [2020-07-18 00:14:01,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-18 00:14:01,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-18 00:14:01,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-18 00:14:01,825 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-18 00:14:01,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01" (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 [2020-07-18 00:14:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-18 00:14:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-18 00:14:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2020-07-18 00:14:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2020-07-18 00:14:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-18 00:14:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-18 00:14:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-18 00:14:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2020-07-18 00:14:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2020-07-18 00:14:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-18 00:14:01,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-18 00:14:01,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-18 00:14:02,306 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-18 00:14:02,307 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-18 00:14:02,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:14:02 BoogieIcfgContainer [2020-07-18 00:14:02,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-18 00:14:02,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-18 00:14:02,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-18 00:14:02,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-18 00:14:02,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.07 12:14:01" (1/3) ... [2020-07-18 00:14:02,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf4460f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:14:02, skipping insertion in model container [2020-07-18 00:14:02,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.07 12:14:01" (2/3) ... [2020-07-18 00:14:02,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cf4460f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.07 12:14:02, skipping insertion in model container [2020-07-18 00:14:02,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.07 12:14:02" (3/3) ... [2020-07-18 00:14:02,321 INFO L109 eAbstractionObserver]: Analyzing ICFG EvenOdd03.c [2020-07-18 00:14:02,334 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-18 00:14:02,342 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-18 00:14:02,358 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-18 00:14:02,384 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-18 00:14:02,384 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-18 00:14:02,384 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-18 00:14:02,384 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-18 00:14:02,385 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-18 00:14:02,385 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-18 00:14:02,385 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-18 00:14:02,385 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-18 00:14:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-07-18 00:14:02,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-07-18 00:14:02,417 INFO L414 BasicCegarLoop]: Found error trace [2020-07-18 00:14:02,418 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-18 00:14:02,419 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-18 00:14:02,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-18 00:14:02,426 INFO L82 PathProgramCache]: Analyzing trace with hash -382036863, now seen corresponding path program 1 times [2020-07-18 00:14:02,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-18 00:14:02,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701378393] [2020-07-18 00:14:02,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-18 00:14:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:14:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-18 00:14:02,598 INFO L192 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-18 00:14:02,600 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-18 00:14:02,600 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-18 00:14:02,601 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-18 00:14:02,616 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-18 00:14:02,616 WARN L170 areAnnotationChecker]: isEvenENTRY has no Hoare annotation [2020-07-18 00:14:02,616 WARN L170 areAnnotationChecker]: isOddENTRY has no Hoare annotation [2020-07-18 00:14:02,616 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:14:02,617 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-18 00:14:02,617 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-18 00:14:02,617 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-18 00:14:02,617 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 00:14:02,617 WARN L170 areAnnotationChecker]: L27 has no Hoare annotation [2020-07-18 00:14:02,617 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 00:14:02,617 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-18 00:14:02,617 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:14:02,618 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-18 00:14:02,618 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-18 00:14:02,618 WARN L170 areAnnotationChecker]: L28 has no Hoare annotation [2020-07-18 00:14:02,618 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-18 00:14:02,619 WARN L170 areAnnotationChecker]: L29 has no Hoare annotation [2020-07-18 00:14:02,619 WARN L170 areAnnotationChecker]: L18 has no Hoare annotation [2020-07-18 00:14:02,619 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 00:14:02,619 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-18 00:14:02,619 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-18 00:14:02,620 WARN L170 areAnnotationChecker]: L38-1 has no Hoare annotation [2020-07-18 00:14:02,620 WARN L170 areAnnotationChecker]: isEvenFINAL has no Hoare annotation [2020-07-18 00:14:02,620 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-18 00:14:02,620 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-18 00:14:02,620 WARN L170 areAnnotationChecker]: L32 has no Hoare annotation [2020-07-18 00:14:02,621 WARN L170 areAnnotationChecker]: isOddFINAL has no Hoare annotation [2020-07-18 00:14:02,621 WARN L170 areAnnotationChecker]: L20 has no Hoare annotation [2020-07-18 00:14:02,621 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 00:14:02,621 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-18 00:14:02,621 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-18 00:14:02,622 WARN L170 areAnnotationChecker]: L39 has no Hoare annotation [2020-07-18 00:14:02,622 WARN L170 areAnnotationChecker]: isEvenEXIT has no Hoare annotation [2020-07-18 00:14:02,622 WARN L170 areAnnotationChecker]: isEvenEXIT has no Hoare annotation [2020-07-18 00:14:02,622 WARN L170 areAnnotationChecker]: L32-1 has no Hoare annotation [2020-07-18 00:14:02,622 WARN L170 areAnnotationChecker]: isOddEXIT has no Hoare annotation [2020-07-18 00:14:02,623 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-18 00:14:02,623 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-18 00:14:02,623 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-18 00:14:02,623 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-18 00:14:02,623 WARN L170 areAnnotationChecker]: L42-1 has no Hoare annotation [2020-07-18 00:14:02,624 WARN L170 areAnnotationChecker]: L32-2 has no Hoare annotation [2020-07-18 00:14:02,624 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-18 00:14:02,624 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-18 00:14:02,624 WARN L170 areAnnotationChecker]: L42-2 has no Hoare annotation [2020-07-18 00:14:02,624 WARN L170 areAnnotationChecker]: L32-3 has no Hoare annotation [2020-07-18 00:14:02,624 WARN L170 areAnnotationChecker]: L22-3 has no Hoare annotation [2020-07-18 00:14:02,625 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-18 00:14:02,625 WARN L170 areAnnotationChecker]: L42-3 has no Hoare annotation [2020-07-18 00:14:02,625 WARN L170 areAnnotationChecker]: L43 has no Hoare annotation [2020-07-18 00:14:02,625 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-18 00:14:02,625 WARN L170 areAnnotationChecker]: L44 has no Hoare annotation [2020-07-18 00:14:02,626 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-18 00:14:02,626 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-18 00:14:02,626 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-18 00:14:02,626 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. [2020-07-18 00:14:02,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.07 12:14:02 BoogieIcfgContainer [2020-07-18 00:14:02,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-18 00:14:02,636 INFO L168 Benchmark]: Toolchain (without parser) took 1125.84 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 103.4 MB in the beginning and 145.5 MB in the end (delta: -42.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:02,637 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-18 00:14:02,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.30 ms. Allocated memory is still 139.5 MB. Free memory was 103.0 MB in the beginning and 93.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:02,639 INFO L168 Benchmark]: Boogie Preprocessor took 33.27 ms. Allocated memory is still 139.5 MB. Free memory was 93.1 MB in the beginning and 91.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:02,641 INFO L168 Benchmark]: RCFGBuilder took 488.16 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 91.5 MB in the beginning and 162.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:02,642 INFO L168 Benchmark]: TraceAbstraction took 318.00 ms. Allocated memory is still 203.9 MB. Free memory was 162.2 MB in the beginning and 145.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2020-07-18 00:14:02,646 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 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.30 ms. Allocated memory is still 139.5 MB. Free memory was 103.0 MB in the beginning and 93.1 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.27 ms. Allocated memory is still 139.5 MB. Free memory was 93.1 MB in the beginning and 91.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 488.16 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 91.5 MB in the beginning and 162.2 MB in the end (delta: -70.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 318.00 ms. Allocated memory is still 203.9 MB. Free memory was 162.2 MB in the beginning and 145.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 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) [L42] CALL, EXPR isEven(n) [L27] COND TRUE n == 0 [L28] return 1; [L42] RET, EXPR isEven(n) [L42] int result = isEven(n); [L43] int mod = n % 2; [L44] COND FALSE !(result < 0 || result == mod) [L47] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 44 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=44occurred 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: No data available, 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...