./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-esbmc-regression/isless.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/isless.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14fa108cca9f4bd57206cbc5fcf638a76c2417ac ......................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-esbmc-regression/isless.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 14fa108cca9f4bd57206cbc5fcf638a76c2417ac .............................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:32:03,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:32:03,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:32:03,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:32:03,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:32:03,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:32:03,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:32:03,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:32:03,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:32:03,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:32:03,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:32:03,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:32:03,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:32:03,724 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:32:03,725 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:32:03,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:32:03,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:32:03,729 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:32:03,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:32:03,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:32:03,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:32:03,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:32:03,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:32:03,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:32:03,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:32:03,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:32:03,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:32:03,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:32:03,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:32:03,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:32:03,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:32:03,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:32:03,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:32:03,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:32:03,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:32:03,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:32:03,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:32:03,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:32:03,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:32:03,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:32:03,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:32:03,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:32:03,796 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:32:03,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:32:03,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:32:03,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:32:03,798 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:32:03,799 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:32:03,799 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:32:03,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:32:03,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:32:03,800 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:32:03,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:32:03,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:32:03,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:32:03,802 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:32:03,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:32:03,803 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:32:03,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:32:03,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:32:03,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:32:03,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:32:03,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:32:03,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:32:03,805 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:32:03,805 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:32:03,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:32:03,805 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:32:03,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:32:03,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:32:03,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:32:03,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14fa108cca9f4bd57206cbc5fcf638a76c2417ac [2020-07-28 17:32:04,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:32:04,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:32:04,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:32:04,128 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:32:04,130 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:32:04,131 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/isless.i [2020-07-28 17:32:04,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba8e9a6e/c82c6c99ae5645be83005d661d302187/FLAG8f8a8a477 [2020-07-28 17:32:04,731 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:32:04,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/isless.i [2020-07-28 17:32:04,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba8e9a6e/c82c6c99ae5645be83005d661d302187/FLAG8f8a8a477 [2020-07-28 17:32:04,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ba8e9a6e/c82c6c99ae5645be83005d661d302187 [2020-07-28 17:32:04,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:32:04,978 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:32:04,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:32:04,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:32:04,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:32:04,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:32:04" (1/1) ... [2020-07-28 17:32:04,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7b8c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:04, skipping insertion in model container [2020-07-28 17:32:04,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:32:04" (1/1) ... [2020-07-28 17:32:04,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:32:05,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:32:05,602 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$44(StandardFunctionHandler.java:328) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1711) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$49(StandardFunctionHandler.java:335) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1336) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 17:32:05,611 INFO L168 Benchmark]: Toolchain (without parser) took 633.17 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 940.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:05,612 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:32:05,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.31 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 940.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:05,615 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 0.87 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 628.31 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 940.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:32:07,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:32:07,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:32:07,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:32:07,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:32:07,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:32:07,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:32:07,426 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:32:07,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:32:07,431 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:32:07,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:32:07,435 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:32:07,436 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:32:07,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:32:07,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:32:07,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:32:07,445 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:32:07,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:32:07,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:32:07,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:32:07,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:32:07,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:32:07,462 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:32:07,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:32:07,465 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:32:07,466 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:32:07,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:32:07,467 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:32:07,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:32:07,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:32:07,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:32:07,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:32:07,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:32:07,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:32:07,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:32:07,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:32:07,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:32:07,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:32:07,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:32:07,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:32:07,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:32:07,477 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:32:07,492 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:32:07,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:32:07,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:32:07,495 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:32:07,495 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:32:07,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:32:07,496 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:32:07,496 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:32:07,496 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:32:07,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:32:07,497 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:32:07,497 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:32:07,497 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:32:07,498 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:32:07,498 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:32:07,498 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:32:07,498 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:32:07,499 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:32:07,499 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:32:07,499 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:32:07,500 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:32:07,500 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:32:07,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:32:07,500 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:32:07,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:32:07,501 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:32:07,501 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:32:07,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:32:07,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:32:07,502 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:32:07,502 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:32:07,503 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14fa108cca9f4bd57206cbc5fcf638a76c2417ac [2020-07-28 17:32:07,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:32:07,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:32:07,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:32:07,823 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:32:07,823 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:32:07,824 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-esbmc-regression/isless.i [2020-07-28 17:32:07,888 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6251478e/09e644036587415fabe0fca399c8a18d/FLAG9dce1624c [2020-07-28 17:32:08,457 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:32:08,458 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-esbmc-regression/isless.i [2020-07-28 17:32:08,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6251478e/09e644036587415fabe0fca399c8a18d/FLAG9dce1624c [2020-07-28 17:32:08,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6251478e/09e644036587415fabe0fca399c8a18d [2020-07-28 17:32:08,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:32:08,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:32:08,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:32:08,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:32:08,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:32:08,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:32:08" (1/1) ... [2020-07-28 17:32:08,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69738cf3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:08, skipping insertion in model container [2020-07-28 17:32:08,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:32:08" (1/1) ... [2020-07-28 17:32:08,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:32:08,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:32:09,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:32:09,534 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:32:09,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:32:09,935 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:32:09,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09 WrapperNode [2020-07-28 17:32:09,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:32:09,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:32:09,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:32:09,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:32:09,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (1/1) ... [2020-07-28 17:32:10,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (1/1) ... [2020-07-28 17:32:10,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:32:10,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:32:10,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:32:10,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:32:10,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (1/1) ... [2020-07-28 17:32:10,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (1/1) ... [2020-07-28 17:32:10,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (1/1) ... [2020-07-28 17:32:10,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (1/1) ... [2020-07-28 17:32:10,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (1/1) ... [2020-07-28 17:32:10,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (1/1) ... [2020-07-28 17:32:10,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (1/1) ... [2020-07-28 17:32:10,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:32:10,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:32:10,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:32:10,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:32:10,070 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (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 [2020-07-28 17:32:10,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:32:10,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:32:10,367 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:32:10,368 INFO L295 CfgBuilder]: Removed 12 assume(true) statements. [2020-07-28 17:32:10,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:32:10 BoogieIcfgContainer [2020-07-28 17:32:10,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:32:10,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:32:10,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:32:10,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:32:10,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:32:08" (1/3) ... [2020-07-28 17:32:10,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e2b3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:32:10, skipping insertion in model container [2020-07-28 17:32:10,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:32:09" (2/3) ... [2020-07-28 17:32:10,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e2b3b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:32:10, skipping insertion in model container [2020-07-28 17:32:10,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:32:10" (3/3) ... [2020-07-28 17:32:10,384 INFO L109 eAbstractionObserver]: Analyzing ICFG isless.i [2020-07-28 17:32:10,399 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:32:10,408 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-07-28 17:32:10,423 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-07-28 17:32:10,448 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:32:10,449 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:32:10,449 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:32:10,449 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:32:10,450 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:32:10,450 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:32:10,450 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:32:10,450 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:32:10,466 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-07-28 17:32:10,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-28 17:32:10,472 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:32:10,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-28 17:32:10,474 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:32:10,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:32:10,485 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2020-07-28 17:32:10,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:32:10,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [325867945] [2020-07-28 17:32:10,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 17:32:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:32:10,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-28 17:32:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:32:10,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:32:10,683 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#true} currentRoundingMode := ~roundNearestTiesToEven; {24#true} is VALID [2020-07-28 17:32:10,686 INFO L280 TraceCheckUtils]: 1: Hoare triple {24#true} havoc main_#res;__VERIFIER_assert_#in~cond := (if !~fp.lt~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.0), ~to_fp~DOUBLE(currentRoundingMode, 1.0)) then 1bv32 else 0bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {32#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 17:32:10,688 INFO L280 TraceCheckUtils]: 2: Hoare triple {32#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == __VERIFIER_assert_~cond; {25#false} is VALID [2020-07-28 17:32:10,689 INFO L280 TraceCheckUtils]: 3: Hoare triple {25#false} assume !false; {25#false} is VALID [2020-07-28 17:32:10,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:32:10,692 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:32:10,739 INFO L280 TraceCheckUtils]: 3: Hoare triple {25#false} assume !false; {25#false} is VALID [2020-07-28 17:32:10,741 INFO L280 TraceCheckUtils]: 2: Hoare triple {42#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} assume 0bv32 == __VERIFIER_assert_~cond; {25#false} is VALID [2020-07-28 17:32:10,744 INFO L280 TraceCheckUtils]: 1: Hoare triple {24#true} havoc main_#res;__VERIFIER_assert_#in~cond := (if !~fp.lt~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 2.0), ~to_fp~DOUBLE(currentRoundingMode, 1.0)) then 1bv32 else 0bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {42#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} is VALID [2020-07-28 17:32:10,744 INFO L280 TraceCheckUtils]: 0: Hoare triple {24#true} currentRoundingMode := ~roundNearestTiesToEven; {24#true} is VALID [2020-07-28 17:32:10,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:32:10,746 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [325867945] [2020-07-28 17:32:10,747 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:32:10,747 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-07-28 17:32:10,748 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693511257] [2020-07-28 17:32:10,754 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-07-28 17:32:10,756 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:32:10,759 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-28 17:32:10,776 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:32:10,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-28 17:32:10,777 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:32:10,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-28 17:32:10,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-28 17:32:10,789 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2020-07-28 17:32:10,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:32:10,929 INFO L93 Difference]: Finished difference Result 31 states and 36 transitions. [2020-07-28 17:32:10,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-28 17:32:10,929 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2020-07-28 17:32:10,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:32:10,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 17:32:10,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2020-07-28 17:32:10,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-28 17:32:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 36 transitions. [2020-07-28 17:32:10,950 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 36 transitions. [2020-07-28 17:32:11,040 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 36 edges. 36 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:32:11,048 INFO L225 Difference]: With dead ends: 31 [2020-07-28 17:32:11,048 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 17:32:11,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-28 17:32:11,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 17:32:11,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 17:32:11,081 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:32:11,082 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 17:32:11,082 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:32:11,083 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:32:11,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:32:11,084 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:32:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:32:11,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:32:11,085 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:32:11,085 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 17:32:11,086 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 17:32:11,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:32:11,086 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 17:32:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:32:11,087 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:32:11,087 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:32:11,087 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:32:11,088 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:32:11,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 17:32:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 17:32:11,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-07-28 17:32:11,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:32:11,091 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 17:32:11,091 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-28 17:32:11,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 17:32:11,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:32:11,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:32:11,309 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 17:32:11,390 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 17:32:11,390 INFO L264 CegarLoopResult]: At program point L867-3(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:32:11,391 INFO L268 CegarLoopResult]: For program point L867-4(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,391 INFO L268 CegarLoopResult]: For program point L867-5(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,391 INFO L264 CegarLoopResult]: At program point L867-7(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:32:11,391 INFO L268 CegarLoopResult]: For program point L867-8(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,392 INFO L268 CegarLoopResult]: For program point L867-9(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,392 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,392 INFO L264 CegarLoopResult]: At program point L867-11(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:32:11,392 INFO L268 CegarLoopResult]: For program point L867-12(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,392 INFO L268 CegarLoopResult]: For program point L867-13(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,393 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,393 INFO L264 CegarLoopResult]: At program point L867-15(line 867) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:32:11,393 INFO L264 CegarLoopResult]: At program point L876(lines 869 877) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2020-07-28 17:32:11,393 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-28 17:32:11,393 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 17:32:11,394 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 17:32:11,394 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,394 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,394 INFO L268 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,394 INFO L268 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2020-07-28 17:32:11,399 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:32:11,400 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:32:11,400 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 17:32:11,400 WARN L170 areAnnotationChecker]: L867 has no Hoare annotation [2020-07-28 17:32:11,400 WARN L170 areAnnotationChecker]: L867-1 has no Hoare annotation [2020-07-28 17:32:11,400 WARN L170 areAnnotationChecker]: L867-1 has no Hoare annotation [2020-07-28 17:32:11,400 WARN L170 areAnnotationChecker]: L867-4 has no Hoare annotation [2020-07-28 17:32:11,401 WARN L170 areAnnotationChecker]: L867-4 has no Hoare annotation [2020-07-28 17:32:11,401 WARN L170 areAnnotationChecker]: L867-4 has no Hoare annotation [2020-07-28 17:32:11,401 WARN L170 areAnnotationChecker]: L867-5 has no Hoare annotation [2020-07-28 17:32:11,401 WARN L170 areAnnotationChecker]: L867-5 has no Hoare annotation [2020-07-28 17:32:11,401 WARN L170 areAnnotationChecker]: L867-8 has no Hoare annotation [2020-07-28 17:32:11,401 WARN L170 areAnnotationChecker]: L867-8 has no Hoare annotation [2020-07-28 17:32:11,402 WARN L170 areAnnotationChecker]: L867-8 has no Hoare annotation [2020-07-28 17:32:11,402 WARN L170 areAnnotationChecker]: L867-9 has no Hoare annotation [2020-07-28 17:32:11,402 WARN L170 areAnnotationChecker]: L867-9 has no Hoare annotation [2020-07-28 17:32:11,402 WARN L170 areAnnotationChecker]: L867-12 has no Hoare annotation [2020-07-28 17:32:11,402 WARN L170 areAnnotationChecker]: L867-12 has no Hoare annotation [2020-07-28 17:32:11,402 WARN L170 areAnnotationChecker]: L867-12 has no Hoare annotation [2020-07-28 17:32:11,403 WARN L170 areAnnotationChecker]: L867-13 has no Hoare annotation [2020-07-28 17:32:11,403 WARN L170 areAnnotationChecker]: L867-13 has no Hoare annotation [2020-07-28 17:32:11,404 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:32:11,404 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:32:11,404 INFO L163 areAnnotationChecker]: CFG has 1 edges. 1 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:32:11,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:32:11 BoogieIcfgContainer [2020-07-28 17:32:11,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:32:11,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:32:11,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:32:11,417 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:32:11,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:32:10" (3/4) ... [2020-07-28 17:32:11,424 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 17:32:11,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-07-28 17:32:11,438 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 17:32:11,488 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:32:11,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:32:11,491 INFO L168 Benchmark]: Toolchain (without parser) took 2721.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 956.2 MB in the beginning and 946.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 148.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:11,492 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:32:11,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1165.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -78.1 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:11,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:11,494 INFO L168 Benchmark]: Boogie Preprocessor took 28.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:32:11,497 INFO L168 Benchmark]: RCFGBuilder took 304.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:11,499 INFO L168 Benchmark]: TraceAbstraction took 1040.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 953.0 MB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:11,500 INFO L168 Benchmark]: Witness Printer took 71.14 ms. Allocated memory is still 1.2 GB. Free memory was 953.0 MB in the beginning and 946.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:32:11,505 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 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1165.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -78.1 MB). Peak memory consumption was 71.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 304.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.6 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1040.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 953.0 MB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * Witness Printer took 71.14 ms. Allocated memory is still 1.2 GB. Free memory was 953.0 MB in the beginning and 946.5 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 8 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 25 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 4 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 correct! Received shutdown request...