java -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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/recursive/EvenOdd03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:51:29,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:51:29,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:51:29,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:51:29,731 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:51:29,732 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:51:29,733 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:51:29,735 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:51:29,737 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:51:29,738 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:51:29,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:51:29,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:51:29,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:51:29,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:51:29,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:51:29,743 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:51:29,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:51:29,745 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:51:29,747 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:51:29,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:51:29,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:51:29,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:51:29,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:51:29,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:51:29,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-10 02:51:29,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:51:29,759 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:51:29,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:51:29,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:51:29,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:51:29,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:51:29,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:51:29,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:51:29,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:51:29,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:51:29,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:51:29,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:51:29,781 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:51:29,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:51:29,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:51:29,782 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:51:29,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:51:29,782 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:51:29,783 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:51:29,783 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:51:29,783 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:51:29,783 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:51:29,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:51:29,784 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:51:29,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:51:29,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:51:29,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:51:29,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:51:29,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:51:29,786 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:51:29,786 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:51:29,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:51:29,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:51:29,786 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:51:29,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:51:29,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:51:29,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:51:29,787 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:51:29,787 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:51:29,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:51:29,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:51:29,788 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:51:29,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:51:29,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:51:29,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:51:29,857 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:51:29,857 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:51:29,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/EvenOdd03.c [2019-09-10 02:51:29,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5bfb651d/106e5815099c4c5797ac06b92cbfcd6f/FLAGeaa89fc18 [2019-09-10 02:51:30,362 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:51:30,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/EvenOdd03.c [2019-09-10 02:51:30,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5bfb651d/106e5815099c4c5797ac06b92cbfcd6f/FLAGeaa89fc18 [2019-09-10 02:51:30,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5bfb651d/106e5815099c4c5797ac06b92cbfcd6f [2019-09-10 02:51:30,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:51:30,720 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:51:30,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:51:30,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:51:30,725 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:51:30,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:51:30" (1/1) ... [2019-09-10 02:51:30,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36718726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30, skipping insertion in model container [2019-09-10 02:51:30,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:51:30" (1/1) ... [2019-09-10 02:51:30,737 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:51:30,754 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:51:30,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:51:30,928 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:51:30,944 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:51:30,956 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:51:30,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30 WrapperNode [2019-09-10 02:51:30,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:51:30,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:51:30,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:51:30,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:51:31,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30" (1/1) ... [2019-09-10 02:51:31,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30" (1/1) ... [2019-09-10 02:51:31,062 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30" (1/1) ... [2019-09-10 02:51:31,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30" (1/1) ... [2019-09-10 02:51:31,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30" (1/1) ... [2019-09-10 02:51:31,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30" (1/1) ... [2019-09-10 02:51:31,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30" (1/1) ... [2019-09-10 02:51:31,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:51:31,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:51:31,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:51:31,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:51:31,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30" (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 [2019-09-10 02:51:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:51:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:51:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2019-09-10 02:51:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2019-09-10 02:51:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:51:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:51:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:51:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2019-09-10 02:51:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2019-09-10 02:51:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:51:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:51:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:51:31,381 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:51:31,381 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-10 02:51:31,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:51:31 BoogieIcfgContainer [2019-09-10 02:51:31,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:51:31,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:51:31,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:51:31,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:51:31,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:51:30" (1/3) ... [2019-09-10 02:51:31,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc05e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:51:31, skipping insertion in model container [2019-09-10 02:51:31,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:51:30" (2/3) ... [2019-09-10 02:51:31,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc05e56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:51:31, skipping insertion in model container [2019-09-10 02:51:31,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:51:31" (3/3) ... [2019-09-10 02:51:31,410 INFO L109 eAbstractionObserver]: Analyzing ICFG EvenOdd03.c [2019-09-10 02:51:31,433 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:51:31,453 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:51:31,470 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:51:31,502 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:51:31,502 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:51:31,502 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:51:31,502 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:51:31,503 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:51:31,503 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:51:31,503 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:51:31,503 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:51:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-09-10 02:51:31,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-09-10 02:51:31,537 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:51:31,538 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:51:31,540 INFO L418 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:51:31,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:51:31,545 INFO L82 PathProgramCache]: Analyzing trace with hash -241846627, now seen corresponding path program 1 times [2019-09-10 02:51:31,546 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:51:31,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:31,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:51:31,585 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:51:31,585 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:51:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:51:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-09-10 02:51:31,688 INFO L466 BasicCegarLoop]: Counterexample might be feasible [2019-09-10 02:51:31,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:51:31 BoogieIcfgContainer [2019-09-10 02:51:31,711 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:51:31,714 INFO L168 Benchmark]: Toolchain (without parser) took 992.74 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 88.0 MB in the beginning and 151.7 MB in the end (delta: -63.7 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:31,715 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:51:31,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.59 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:31,718 INFO L168 Benchmark]: Boogie Preprocessor took 114.89 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 78.3 MB in the beginning and 177.6 MB in the end (delta: -99.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:31,719 INFO L168 Benchmark]: RCFGBuilder took 311.38 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 164.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:31,720 INFO L168 Benchmark]: TraceAbstraction took 325.67 ms. Allocated memory is still 200.8 MB. Free memory was 164.2 MB in the beginning and 151.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:51:31,724 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 235.59 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.3 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.89 ms. Allocated memory was 132.1 MB in the beginning and 200.8 MB in the end (delta: 68.7 MB). Free memory was 78.3 MB in the beginning and 177.6 MB in the end (delta: -99.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.38 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 164.8 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 325.67 ms. Allocated memory is still 200.8 MB. Free memory was 164.2 MB in the beginning and 151.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 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. UNSAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, 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 AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 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, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...