./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float19.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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-cbmc-regression/float19.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb866a5cacd669e678f08014c34cb9831bc85cc9 ................................................................................................................................................................... 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 -Xmx15G -Xms4m -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-cbmc-regression/float19.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fb866a5cacd669e678f08014c34cb9831bc85cc9 ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:15:53,687 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:15:53,689 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:15:53,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:15:53,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:15:53,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:15:53,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:15:53,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:15:53,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:15:53,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:15:53,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:15:53,724 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:15:53,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:15:53,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:15:53,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:15:53,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:15:53,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:15:53,734 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:15:53,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:15:53,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:15:53,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:15:53,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:15:53,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:15:53,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:15:53,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:15:53,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:15:53,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:15:53,761 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:15:53,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:15:53,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:15:53,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:15:53,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:15:53,764 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:15:53,765 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:15:53,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:15:53,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:15:53,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:15:53,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:15:53,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:15:53,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:15:53,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:15:53,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:15:53,793 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:15:53,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:15:53,795 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:15:53,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:15:53,796 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:15:53,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:15:53,796 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:15:53,796 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:15:53,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:15:53,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:15:53,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:15:53,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:15:53,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:15:53,798 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:15:53,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:15:53,798 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:15:53,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:15:53,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:15:53,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:15:53,799 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:15:53,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:15:53,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:15:53,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:15:53,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:15:53,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:15:53,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:15:53,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:15:53,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:15:53,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:15:53,802 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(reach_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 -> fb866a5cacd669e678f08014c34cb9831bc85cc9 [2020-10-20 00:15:54,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:15:54,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:15:54,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:15:54,031 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:15:54,032 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:15:54,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float19.i [2020-10-20 00:15:54,112 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6bd927d/4dacfdad173c4d31aa43552fea5e15ae/FLAGf07f8c621 [2020-10-20 00:15:54,736 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:15:54,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float19.i [2020-10-20 00:15:54,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6bd927d/4dacfdad173c4d31aa43552fea5e15ae/FLAGf07f8c621 [2020-10-20 00:15:54,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f6bd927d/4dacfdad173c4d31aa43552fea5e15ae [2020-10-20 00:15:54,955 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:15:54,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:15:54,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:15:54,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:15:54,972 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:15:54,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:15:54" (1/1) ... [2020-10-20 00:15:54,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50dd8563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:54, skipping insertion in model container [2020-10-20 00:15:54,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:15:54" (1/1) ... [2020-10-20 00:15:54,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:15:55,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:15:55,636 FATAL L? ?]: 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: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1690) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1080) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1569) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) 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.visit(CHandler.java:1577) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:128) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-10-20 00:15:55,644 INFO L168 Benchmark]: Toolchain (without parser) took 685.53 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 14.7 MB in the beginning and 23.5 MB in the end (delta: -8.8 MB). Peak memory consumption was 14.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:15:55,645 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 00:15:55,646 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.40 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 13.8 MB in the beginning and 23.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:15:55,649 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 33.6 MB. Free memory was 10.9 MB in the beginning and 10.9 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 673.40 ms. Allocated memory was 34.6 MB in the beginning and 43.0 MB in the end (delta: 8.4 MB). Free memory was 13.8 MB in the beginning and 23.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 13.1 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:846) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:15:57,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:15:57,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:15:57,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:15:57,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:15:57,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:15:57,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:15:57,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:15:57,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:15:57,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:15:57,720 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:15:57,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:15:57,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:15:57,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:15:57,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:15:57,729 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:15:57,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:15:57,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:15:57,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:15:57,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:15:57,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:15:57,751 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:15:57,753 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:15:57,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:15:57,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:15:57,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:15:57,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:15:57,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:15:57,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:15:57,770 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:15:57,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:15:57,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:15:57,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:15:57,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:15:57,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:15:57,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:15:57,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:15:57,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:15:57,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:15:57,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:15:57,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:15:57,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:15:57,819 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:15:57,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:15:57,821 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:15:57,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:15:57,822 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:15:57,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:15:57,823 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:15:57,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:15:57,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:15:57,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:15:57,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:15:57,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:15:57,825 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:15:57,826 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:15:57,826 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:15:57,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:15:57,827 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:15:57,827 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:15:57,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:15:57,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:15:57,828 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:15:57,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:15:57,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:15:57,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:15:57,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:15:57,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:15:57,829 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:15:57,829 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:15:57,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:15:57,830 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:15:57,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:15:57,830 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(reach_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 -> fb866a5cacd669e678f08014c34cb9831bc85cc9 [2020-10-20 00:15:58,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:15:58,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:15:58,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:15:58,079 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:15:58,080 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:15:58,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float19.i [2020-10-20 00:15:58,147 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0045f5f7/8fc1ff2cf8dc46cf903c5364d4619b5e/FLAG093ab209e [2020-10-20 00:15:58,712 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:15:58,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float19.i [2020-10-20 00:15:58,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0045f5f7/8fc1ff2cf8dc46cf903c5364d4619b5e/FLAG093ab209e [2020-10-20 00:15:59,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0045f5f7/8fc1ff2cf8dc46cf903c5364d4619b5e [2020-10-20 00:15:59,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:15:59,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:15:59,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:15:59,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:15:59,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:15:59,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:15:59,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552d2b05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59, skipping insertion in model container [2020-10-20 00:15:59,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:15:59,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:15:59,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:15:59,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:15:59,581 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:15:59,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:15:59,998 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:15:59,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59 WrapperNode [2020-10-20 00:15:59,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:15:59,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:15:59,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:16:00,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:16:00,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:16:00,034 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:16:00,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:16:00,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:16:00,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:16:00,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:16:00,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:16:00,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:16:00,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:16:00,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:16:00,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:16:00,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:16:00,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (1/1) ... [2020-10-20 00:16:00,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:16:00,086 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:16:00,086 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:16:00,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:16:00,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (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 [2020-10-20 00:16:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:16:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:16:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:16:00,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:16:00,578 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:16:00,578 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-20 00:16:00,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:00 BoogieIcfgContainer [2020-10-20 00:16:00,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:16:00,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:16:00,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:16:00,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:16:00,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:15:59" (1/3) ... [2020-10-20 00:16:00,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b906a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:00, skipping insertion in model container [2020-10-20 00:16:00,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:15:59" (2/3) ... [2020-10-20 00:16:00,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b906a54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:16:00, skipping insertion in model container [2020-10-20 00:16:00,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:00" (3/3) ... [2020-10-20 00:16:00,589 INFO L111 eAbstractionObserver]: Analyzing ICFG float19.i [2020-10-20 00:16:00,602 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:16:00,609 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:16:00,637 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:16:00,662 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:16:00,663 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:16:00,663 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:16:00,663 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:16:00,663 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:16:00,663 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:16:00,663 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:16:00,664 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:16:00,678 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2020-10-20 00:16:00,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-20 00:16:00,685 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:16:00,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-20 00:16:00,686 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:16:00,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:16:00,692 INFO L82 PathProgramCache]: Analyzing trace with hash 889507783, now seen corresponding path program 1 times [2020-10-20 00:16:00,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:16:00,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827267049] [2020-10-20 00:16:00,705 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 [2020-10-20 00:16:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:16:00,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 00:16:00,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:16:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:01,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:16:01,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:16:01,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827267049] [2020-10-20 00:16:01,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:16:01,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2020-10-20 00:16:01,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687487647] [2020-10-20 00:16:01,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-20 00:16:01,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:16:01,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-20 00:16:01,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:16:01,317 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 4 states. [2020-10-20 00:16:01,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:16:01,462 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2020-10-20 00:16:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 00:16:01,469 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2020-10-20 00:16:01,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:16:01,477 INFO L225 Difference]: With dead ends: 20 [2020-10-20 00:16:01,477 INFO L226 Difference]: Without dead ends: 0 [2020-10-20 00:16:01,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-20 00:16:01,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-20 00:16:01,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-20 00:16:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-20 00:16:01,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-20 00:16:01,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2020-10-20 00:16:01,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:16:01,507 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 00:16:01,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-20 00:16:01,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-20 00:16:01,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 00:16:01,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:16:01,720 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-20 00:16:01,756 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 00:16:01,756 INFO L274 CegarLoopResult]: For program point L967(lines 967 969) no Hoare annotation was computed. [2020-10-20 00:16:01,757 INFO L274 CegarLoopResult]: For program point L965(lines 965 970) no Hoare annotation was computed. [2020-10-20 00:16:01,757 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 00:16:01,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 00:16:01,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 00:16:01,757 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-20 00:16:01,758 INFO L277 CegarLoopResult]: At program point L982(lines 974 983) the Hoare annotation is: true [2020-10-20 00:16:01,758 INFO L274 CegarLoopResult]: For program point L12(line 12) no Hoare annotation was computed. [2020-10-20 00:16:01,758 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-20 00:16:01,759 INFO L274 CegarLoopResult]: For program point L12-3(line 12) no Hoare annotation was computed. [2020-10-20 00:16:01,759 INFO L274 CegarLoopResult]: For program point L968(line 968) no Hoare annotation was computed. [2020-10-20 00:16:01,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:16:01 BoogieIcfgContainer [2020-10-20 00:16:01,767 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:16:01,768 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:16:01,768 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:16:01,768 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:16:01,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:16:00" (3/4) ... [2020-10-20 00:16:01,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 00:16:01,782 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 00:16:01,782 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 00:16:01,783 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:16:01,783 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 00:16:01,824 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:16:01,824 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:16:01,827 INFO L168 Benchmark]: Toolchain (without parser) took 2811.74 ms. Allocated memory was 34.6 MB in the beginning and 58.2 MB in the end (delta: 23.6 MB). Free memory was 14.2 MB in the beginning and 8.1 MB in the end (delta: 6.1 MB). Peak memory consumption was 29.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:01,828 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 33.6 MB. Free memory was 10.8 MB in the beginning and 10.7 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 00:16:01,829 INFO L168 Benchmark]: CACSL2BoogieTranslator took 978.27 ms. Allocated memory was 34.6 MB in the beginning and 52.4 MB in the end (delta: 17.8 MB). Free memory was 13.3 MB in the beginning and 30.0 MB in the end (delta: -16.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:01,830 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.29 ms. Allocated memory is still 52.4 MB. Free memory was 30.0 MB in the beginning and 27.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:01,833 INFO L168 Benchmark]: Boogie Preprocessor took 27.19 ms. Allocated memory is still 52.4 MB. Free memory was 27.2 MB in the beginning and 25.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:01,834 INFO L168 Benchmark]: RCFGBuilder took 494.00 ms. Allocated memory is still 52.4 MB. Free memory was 25.8 MB in the beginning and 13.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:01,835 INFO L168 Benchmark]: TraceAbstraction took 1185.91 ms. Allocated memory was 52.4 MB in the beginning and 58.2 MB in the end (delta: 5.8 MB). Free memory was 12.6 MB in the beginning and 11.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:01,838 INFO L168 Benchmark]: Witness Printer took 56.79 ms. Allocated memory is still 58.2 MB. Free memory was 11.0 MB in the beginning and 8.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:16:01,842 INFO L339 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 33.6 MB. Free memory was 10.8 MB in the beginning and 10.7 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 978.27 ms. Allocated memory was 34.6 MB in the beginning and 52.4 MB in the end (delta: 17.8 MB). Free memory was 13.3 MB in the beginning and 30.0 MB in the end (delta: -16.7 MB). Peak memory consumption was 26.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 59.29 ms. Allocated memory is still 52.4 MB. Free memory was 30.0 MB in the beginning and 27.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 27.19 ms. Allocated memory is still 52.4 MB. Free memory was 27.2 MB in the beginning and 25.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 494.00 ms. Allocated memory is still 52.4 MB. Free memory was 25.8 MB in the beginning and 13.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 1185.91 ms. Allocated memory was 52.4 MB in the beginning and 58.2 MB in the end (delta: 5.8 MB). Free memory was 12.6 MB in the beginning and 11.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * Witness Printer took 56.79 ms. Allocated memory is still 58.2 MB. Free memory was 11.0 MB in the beginning and 8.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 4 SDslu, 8 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 1 QuantifiedInterpolants, 90 SizeOfPredicates, 4 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 2 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...