./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/floats-esbmc-regression/fdim_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/svcomp/c/floats-esbmc-regression/fdim_true-unreach-call.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 96832dfae97efc9710fb813b6fbaafcdad425138 ........................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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 /storage/repos/svcomp/c/floats-esbmc-regression/fdim_true-unreach-call.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 96832dfae97efc9710fb813b6fbaafcdad425138 .......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-12 08:45:51,889 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 08:45:51,891 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 08:45:51,903 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 08:45:51,903 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 08:45:51,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 08:45:51,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 08:45:51,908 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 08:45:51,910 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 08:45:51,911 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 08:45:51,912 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 08:45:51,912 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 08:45:51,913 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 08:45:51,915 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 08:45:51,916 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 08:45:51,916 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 08:45:51,917 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 08:45:51,919 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 08:45:51,922 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 08:45:51,923 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 08:45:51,925 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 08:45:51,926 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 08:45:51,929 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 08:45:51,929 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 08:45:51,929 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 08:45:51,930 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 08:45:51,931 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 08:45:51,932 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 08:45:51,933 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 08:45:51,935 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 08:45:51,935 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 08:45:51,936 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 08:45:51,936 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 08:45:51,936 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 08:45:51,937 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 08:45:51,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 08:45:51,938 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-01-12 08:45:51,955 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 08:45:51,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 08:45:51,957 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 08:45:51,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 08:45:51,957 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 08:45:51,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 08:45:51,958 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 08:45:51,958 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-12 08:45:51,958 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 08:45:51,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 08:45:51,959 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 08:45:51,959 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 08:45:51,959 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 08:45:51,959 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 08:45:51,960 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 08:45:51,960 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 08:45:51,960 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 08:45:51,960 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 08:45:51,961 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 08:45:51,961 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 08:45:51,961 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 08:45:51,961 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 08:45:51,961 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 08:45:51,962 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 08:45:51,962 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 08:45:51,962 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-12 08:45:51,962 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 08:45:51,963 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-12 08:45:51,963 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-01-12 08:45:52,014 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 08:45:52,028 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 08:45:52,032 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 08:45:52,033 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 08:45:52,034 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 08:45:52,035 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-esbmc-regression/fdim_true-unreach-call.i [2019-01-12 08:45:52,092 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c27b79e1/440feebfdfa64abfa4399becee87a38b/FLAG351abf72e [2019-01-12 08:45:52,652 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 08:45:52,653 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-esbmc-regression/fdim_true-unreach-call.i [2019-01-12 08:45:52,672 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c27b79e1/440feebfdfa64abfa4399becee87a38b/FLAG351abf72e [2019-01-12 08:45:52,904 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c27b79e1/440feebfdfa64abfa4399becee87a38b [2019-01-12 08:45:52,910 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 08:45:52,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 08:45:52,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 08:45:52,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 08:45:52,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 08:45:52,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:45:52" (1/1) ... [2019-01-12 08:45:52,924 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dd00d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:52, skipping insertion in model container [2019-01-12 08:45:52,924 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:45:52" (1/1) ... [2019-01-12 08:45:52,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 08:45:52,999 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 08:45:53,509 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:852) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1321) 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:666) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.dispatchDecaySwitchToRValueFunctionArgument(ExpressionResultTransformer.java:114) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:679) 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:1328) 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:1272) 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:964) 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:1343) 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:3447) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:540) 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:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-01-12 08:45:53,513 INFO L168 Benchmark]: Toolchain (without parser) took 602.38 ms. Allocated memory is still 1.0 GB. Free memory was 950.0 MB in the beginning and 932.6 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2019-01-12 08:45:53,515 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:45:53,516 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.75 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2019-01-12 08:45:53,519 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 598.75 ms. Allocated memory is still 1.0 GB. Free memory was 944.6 MB in the beginning and 932.6 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:852) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-0ed9222-m [2019-01-12 08:45:55,662 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-12 08:45:55,664 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-12 08:45:55,676 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-12 08:45:55,677 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-12 08:45:55,678 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-12 08:45:55,679 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-12 08:45:55,681 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-12 08:45:55,683 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-12 08:45:55,684 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-12 08:45:55,685 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-12 08:45:55,685 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-12 08:45:55,686 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-12 08:45:55,688 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-12 08:45:55,689 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-12 08:45:55,690 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-12 08:45:55,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-12 08:45:55,693 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-12 08:45:55,696 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-12 08:45:55,697 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-12 08:45:55,698 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-12 08:45:55,700 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-12 08:45:55,703 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-12 08:45:55,703 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-12 08:45:55,704 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-12 08:45:55,704 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-12 08:45:55,706 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-12 08:45:55,707 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-12 08:45:55,708 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-12 08:45:55,709 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-12 08:45:55,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-12 08:45:55,710 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-12 08:45:55,711 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-12 08:45:55,711 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-12 08:45:55,712 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-12 08:45:55,713 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-12 08:45:55,713 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-01-12 08:45:55,741 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-12 08:45:55,741 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-12 08:45:55,743 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-12 08:45:55,743 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-12 08:45:55,743 INFO L133 SettingsManager]: * Use SBE=true [2019-01-12 08:45:55,743 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-12 08:45:55,743 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-12 08:45:55,744 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-12 08:45:55,745 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-12 08:45:55,745 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-12 08:45:55,745 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-12 08:45:55,745 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-12 08:45:55,745 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2019-01-12 08:45:55,746 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-01-12 08:45:55,746 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-12 08:45:55,746 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-12 08:45:55,746 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-12 08:45:55,746 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-12 08:45:55,746 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-12 08:45:55,747 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-12 08:45:55,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-12 08:45:55,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-12 08:45:55,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-12 08:45:55,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-12 08:45:55,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-12 08:45:55,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-12 08:45:55,749 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2019-01-12 08:45:55,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-12 08:45:55,750 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-01-12 08:45:55,751 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2019-01-12 08:45:55,751 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-01-12 08:45:55,797 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-12 08:45:55,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-12 08:45:55,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-12 08:45:55,819 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-12 08:45:55,819 INFO L276 PluginConnector]: CDTParser initialized [2019-01-12 08:45:55,820 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/floats-esbmc-regression/fdim_true-unreach-call.i [2019-01-12 08:45:55,879 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d93a3c47/45b6955eab794f5196ad5f48ce8d3321/FLAG426305212 [2019-01-12 08:45:56,373 INFO L307 CDTParser]: Found 1 translation units. [2019-01-12 08:45:56,375 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/floats-esbmc-regression/fdim_true-unreach-call.i [2019-01-12 08:45:56,392 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d93a3c47/45b6955eab794f5196ad5f48ce8d3321/FLAG426305212 [2019-01-12 08:45:56,666 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d93a3c47/45b6955eab794f5196ad5f48ce8d3321 [2019-01-12 08:45:56,672 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-12 08:45:56,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-12 08:45:56,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-12 08:45:56,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-12 08:45:56,683 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-12 08:45:56,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:45:56" (1/1) ... [2019-01-12 08:45:56,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77c71e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:56, skipping insertion in model container [2019-01-12 08:45:56,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.01 08:45:56" (1/1) ... [2019-01-12 08:45:56,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-12 08:45:56,770 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-12 08:45:57,328 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:45:57,337 INFO L191 MainTranslator]: Completed pre-run [2019-01-12 08:45:57,382 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-12 08:45:57,677 INFO L195 MainTranslator]: Completed translation [2019-01-12 08:45:57,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57 WrapperNode [2019-01-12 08:45:57,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-12 08:45:57,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-12 08:45:57,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-12 08:45:57,679 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-12 08:45:57,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (1/1) ... [2019-01-12 08:45:57,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (1/1) ... [2019-01-12 08:45:57,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-12 08:45:57,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-12 08:45:57,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-12 08:45:57,812 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-12 08:45:57,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (1/1) ... [2019-01-12 08:45:57,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (1/1) ... [2019-01-12 08:45:57,824 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (1/1) ... [2019-01-12 08:45:57,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (1/1) ... [2019-01-12 08:45:57,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (1/1) ... [2019-01-12 08:45:57,834 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (1/1) ... [2019-01-12 08:45:57,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (1/1) ... [2019-01-12 08:45:57,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-12 08:45:57,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-12 08:45:57,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-12 08:45:57,841 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-12 08:45:57,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (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 [2019-01-12 08:45:57,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-12 08:45:57,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-12 08:45:58,249 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-12 08:45:58,250 INFO L286 CfgBuilder]: Removed 14 assue(true) statements. [2019-01-12 08:45:58,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:45:58 BoogieIcfgContainer [2019-01-12 08:45:58,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-12 08:45:58,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-12 08:45:58,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-12 08:45:58,256 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-12 08:45:58,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.01 08:45:56" (1/3) ... [2019-01-12 08:45:58,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0e4cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:45:58, skipping insertion in model container [2019-01-12 08:45:58,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.01 08:45:57" (2/3) ... [2019-01-12 08:45:58,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d0e4cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.01 08:45:58, skipping insertion in model container [2019-01-12 08:45:58,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:45:58" (3/3) ... [2019-01-12 08:45:58,260 INFO L112 eAbstractionObserver]: Analyzing ICFG fdim_true-unreach-call.i [2019-01-12 08:45:58,270 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-12 08:45:58,278 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-01-12 08:45:58,295 INFO L257 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-01-12 08:45:58,324 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-12 08:45:58,324 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-12 08:45:58,325 INFO L383 AbstractCegarLoop]: Hoare is true [2019-01-12 08:45:58,325 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-12 08:45:58,325 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-12 08:45:58,325 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-12 08:45:58,325 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-12 08:45:58,326 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-12 08:45:58,326 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-12 08:45:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-01-12 08:45:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-01-12 08:45:58,347 INFO L394 BasicCegarLoop]: Found error trace [2019-01-12 08:45:58,348 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-01-12 08:45:58,350 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-01-12 08:45:58,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-12 08:45:58,356 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-01-12 08:45:58,360 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2019-01-12 08:45:58,361 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy 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 [2019-01-12 08:45:58,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-12 08:45:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-12 08:45:58,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-12 08:45:59,210 WARN L181 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 3 [2019-01-12 08:45:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-12 08:45:59,215 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2019-01-12 08:45:59,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-12 08:45:59,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-12 08:45:59,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-01-12 08:45:59,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-12 08:45:59,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 08:45:59,258 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 3 states. [2019-01-12 08:45:59,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-12 08:45:59,404 INFO L93 Difference]: Finished difference Result 35 states and 42 transitions. [2019-01-12 08:45:59,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-12 08:45:59,406 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2019-01-12 08:45:59,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-12 08:45:59,412 INFO L225 Difference]: With dead ends: 35 [2019-01-12 08:45:59,412 INFO L226 Difference]: Without dead ends: 0 [2019-01-12 08:45:59,416 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-12 08:45:59,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-01-12 08:45:59,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-01-12 08:45:59,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-01-12 08:45:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-01-12 08:45:59,441 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-01-12 08:45:59,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-12 08:45:59,441 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-12 08:45:59,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-01-12 08:45:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-01-12 08:45:59,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-01-12 08:45:59,446 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-01-12 08:45:59,530 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,531 INFO L448 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-01-12 08:45:59,531 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-01-12 08:45:59,531 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-01-12 08:45:59,531 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,531 INFO L448 ceAbstractionStarter]: For program point L867(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,532 INFO L448 ceAbstractionStarter]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,532 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-01-12 08:45:59,532 INFO L444 ceAbstractionStarter]: At program point L867-3(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:45:59,532 INFO L448 ceAbstractionStarter]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,532 INFO L448 ceAbstractionStarter]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,533 INFO L444 ceAbstractionStarter]: At program point L867-7(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:45:59,533 INFO L448 ceAbstractionStarter]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,533 INFO L448 ceAbstractionStarter]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,533 INFO L444 ceAbstractionStarter]: At program point L867-11(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:45:59,533 INFO L448 ceAbstractionStarter]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,533 INFO L448 ceAbstractionStarter]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,533 INFO L444 ceAbstractionStarter]: At program point L867-15(line 867) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:45:59,533 INFO L448 ceAbstractionStarter]: For program point L867-16(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,534 INFO L448 ceAbstractionStarter]: For program point L867-17(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,536 INFO L444 ceAbstractionStarter]: At program point L867-19(lines 1 877) the Hoare annotation is: (= (_ bv1 32) ULTIMATE.start___VERIFIER_assert_~cond) [2019-01-12 08:45:59,536 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,536 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,536 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-01-12 08:45:59,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.01 08:45:59 BoogieIcfgContainer [2019-01-12 08:45:59,556 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-12 08:45:59,556 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-12 08:45:59,556 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-12 08:45:59,556 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-12 08:45:59,558 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.01 08:45:58" (3/4) ... [2019-01-12 08:45:59,563 INFO L144 WitnessPrinter]: Generating witness for correct program [2019-01-12 08:45:59,578 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-01-12 08:45:59,579 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-01-12 08:45:59,628 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-12 08:45:59,629 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-12 08:45:59,630 INFO L168 Benchmark]: Toolchain (without parser) took 2956.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -125.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2019-01-12 08:45:59,631 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:45:59,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1001.84 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 833.2 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2019-01-12 08:45:59,632 INFO L168 Benchmark]: Boogie Procedure Inliner took 133.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 833.2 MB in the beginning and 1.1 GB in the end (delta: -304.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-01-12 08:45:59,633 INFO L168 Benchmark]: Boogie Preprocessor took 27.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:45:59,634 INFO L168 Benchmark]: RCFGBuilder took 411.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. [2019-01-12 08:45:59,635 INFO L168 Benchmark]: TraceAbstraction took 1303.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2019-01-12 08:45:59,636 INFO L168 Benchmark]: Witness Printer took 72.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-12 08:45:59,641 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1001.84 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 833.2 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 133.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 833.2 MB in the beginning and 1.1 GB in the end (delta: -304.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 411.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.5 MB). Peak memory consumption was 15.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1303.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. * Witness Printer took 72.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. 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 - 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 5 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1bv32 == cond - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1bv32 == cond - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 5 error locations. SAFE Result, 1.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 7 SDslu, 1 SDs, 0 SdLazy, 5 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 15 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 2 NumberOfNonLiveVariables, 7 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...