./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 88b5e43d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 f60c1e7f1bcabd47cf7b5def116f38f131aaa102 .............................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c -s /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-2/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 f60c1e7f1bcabd47cf7b5def116f38f131aaa102 ........................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL --- Real Ultimate output --- This is Ultimate 0.2.0-88b5e43 [2020-11-23 23:45:54,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 23:45:54,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 23:45:54,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 23:45:54,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 23:45:54,824 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 23:45:54,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 23:45:54,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 23:45:54,841 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 23:45:54,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 23:45:54,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 23:45:54,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 23:45:54,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 23:45:54,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 23:45:54,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 23:45:54,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 23:45:54,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 23:45:54,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 23:45:54,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 23:45:54,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 23:45:54,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 23:45:54,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 23:45:54,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 23:45:54,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 23:45:54,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 23:45:54,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 23:45:54,911 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 23:45:54,912 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 23:45:54,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 23:45:54,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 23:45:54,916 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 23:45:54,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 23:45:54,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 23:45:54,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 23:45:54,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 23:45:54,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 23:45:54,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 23:45:54,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 23:45:54,928 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 23:45:54,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 23:45:54,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 23:45:54,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-23 23:45:54,988 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 23:45:54,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 23:45:54,990 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 23:45:54,990 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 23:45:54,990 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 23:45:54,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 23:45:54,991 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 23:45:54,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-23 23:45:54,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 23:45:54,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 23:45:54,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 23:45:54,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 23:45:54,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 23:45:54,992 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 23:45:54,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 23:45:54,992 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 23:45:54,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 23:45:54,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 23:45:54,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 23:45:54,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 23:45:54,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 23:45:54,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:45:54,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 23:45:54,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 23:45:54,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 23:45:54,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-23 23:45:54,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-23 23:45:54,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 23:45:54,995 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 23:45:54,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f60c1e7f1bcabd47cf7b5def116f38f131aaa102 [2020-11-23 23:45:55,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 23:45:55,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 23:45:55,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 23:45:55,502 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 23:45:55,503 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 23:45:55,505 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c [2020-11-23 23:45:55,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be1f3ddc4/8e2e24daf6124bafa488781fa0b661b3/FLAGcb78ab885 [2020-11-23 23:45:56,373 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 23:45:56,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c [2020-11-23 23:45:56,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be1f3ddc4/8e2e24daf6124bafa488781fa0b661b3/FLAGcb78ab885 [2020-11-23 23:45:56,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/be1f3ddc4/8e2e24daf6124bafa488781fa0b661b3 [2020-11-23 23:45:56,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 23:45:56,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 23:45:56,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 23:45:56,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 23:45:56,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 23:45:56,724 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:45:56" (1/1) ... [2020-11-23 23:45:56,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@448297ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:45:56, skipping insertion in model container [2020-11-23 23:45:56,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:45:56" (1/1) ... [2020-11-23 23:45:56,743 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 23:45:56,774 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-11-23 23:45:57,003 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructUnaryExpression(ExpressionTranslation.java:141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleUnaryArithmeticOperators(CExpressionTranslator.java:407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2351) 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:705) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1351) 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:1044) 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:1422) 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:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:578) 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:201) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) 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:63) [2020-11-23 23:45:57,010 INFO L168 Benchmark]: Toolchain (without parser) took 305.72 ms. Allocated memory is still 48.2 MB. Free memory was 24.9 MB in the beginning and 27.6 MB in the end (delta: -2.8 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-11-23 23:45:57,012 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:45:57,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.60 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 27.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-23 23:45:57,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 39.8 MB. Free memory was 17.8 MB in the beginning and 17.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 289.60 ms. Allocated memory is still 48.2 MB. Free memory was 24.3 MB in the beginning and 27.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: conversion from bitvector to float not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.transformBitvectorToFloat(IntegerTranslation.java:919) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-88b5e43 [2020-11-23 23:45:59,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-23 23:45:59,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-23 23:45:59,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-23 23:45:59,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-23 23:45:59,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-23 23:45:59,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-23 23:45:59,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-23 23:45:59,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-23 23:45:59,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-23 23:45:59,714 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-23 23:45:59,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-23 23:45:59,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-23 23:45:59,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-23 23:45:59,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-23 23:45:59,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-23 23:45:59,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-23 23:45:59,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-23 23:45:59,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-23 23:45:59,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-23 23:45:59,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-23 23:45:59,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-23 23:45:59,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-23 23:45:59,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-23 23:45:59,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-23 23:45:59,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-23 23:45:59,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-23 23:45:59,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-23 23:45:59,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-23 23:45:59,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-23 23:45:59,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-23 23:45:59,763 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-23 23:45:59,768 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-23 23:45:59,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-23 23:45:59,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-23 23:45:59,777 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-23 23:45:59,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-23 23:45:59,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-23 23:45:59,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-23 23:45:59,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-23 23:45:59,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-23 23:45:59,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-23 23:45:59,848 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-23 23:45:59,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-23 23:45:59,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-23 23:45:59,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-23 23:45:59,854 INFO L138 SettingsManager]: * Use SBE=true [2020-11-23 23:45:59,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-23 23:45:59,854 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-23 23:45:59,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-23 23:45:59,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-23 23:45:59,856 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-23 23:45:59,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-23 23:45:59,857 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-23 23:45:59,857 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-23 23:45:59,857 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-23 23:45:59,858 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-23 23:45:59,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-23 23:45:59,858 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-23 23:45:59,858 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-23 23:45:59,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-23 23:45:59,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-23 23:45:59,859 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-23 23:45:59,859 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-23 23:45:59,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-23 23:45:59,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-23 23:45:59,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-23 23:45:59,860 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-23 23:45:59,860 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-23 23:45:59,860 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-23 23:45:59,861 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-23 23:45:59,861 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-23 23:45:59,861 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-23 23:45:59,861 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f60c1e7f1bcabd47cf7b5def116f38f131aaa102 [2020-11-23 23:46:00,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-23 23:46:00,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-23 23:46:00,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-23 23:46:00,338 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-23 23:46:00,339 INFO L275 PluginConnector]: CDTParser initialized [2020-11-23 23:46:00,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c [2020-11-23 23:46:00,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34fd41781/3a5d116a40804754a8129fcf6126c2c9/FLAGbc02b7095 [2020-11-23 23:46:01,230 INFO L306 CDTParser]: Found 1 translation units. [2020-11-23 23:46:01,231 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/float-benchs/sqrt_Householder_interval.c [2020-11-23 23:46:01,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34fd41781/3a5d116a40804754a8129fcf6126c2c9/FLAGbc02b7095 [2020-11-23 23:46:01,605 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34fd41781/3a5d116a40804754a8129fcf6126c2c9 [2020-11-23 23:46:01,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-23 23:46:01,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-23 23:46:01,624 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-23 23:46:01,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-23 23:46:01,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-23 23:46:01,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:46:01" (1/1) ... [2020-11-23 23:46:01,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa86419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:01, skipping insertion in model container [2020-11-23 23:46:01,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:46:01" (1/1) ... [2020-11-23 23:46:01,645 INFO L146 MainTranslator]: Starting translation in SV-COMP mode [2020-11-23 23:46:01,673 INFO L179 MainTranslator]: Built tables and reachable declarations [2020-11-23 23:46:01,931 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:46:01,950 INFO L212 MainTranslator]: Completed pre-run [2020-11-23 23:46:01,982 INFO L211 PostProcessor]: Analyzing one entry point: main [2020-11-23 23:46:02,020 INFO L217 MainTranslator]: Completed translation [2020-11-23 23:46:02,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:02 WrapperNode [2020-11-23 23:46:02,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-23 23:46:02,023 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-23 23:46:02,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-23 23:46:02,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-23 23:46:02,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:46:02" (1/1) ... [2020-11-23 23:46:02,045 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-11-23 23:46:02,047 ERROR L1131 TypeChecker]: : Modifies clause contains #t~nondet7 which is not a global variable [2020-11-23 23:46:02,049 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner has thrown an exception: java.lang.AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.checkExistingDeclarationInformation(TypeChecker.java:340) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckLeftHandSide(TypeChecker.java:360) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckStatement(TypeChecker.java:781) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.typecheckBlock(TypeChecker.java:846) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processBody(TypeChecker.java:957) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.processImplementation(TypeChecker.java:1033) at de.uni_freiburg.informatik.ultimate.boogie.preprocessor.TypeChecker.process(TypeChecker.java:1120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) 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:63) [2020-11-23 23:46:02,054 INFO L168 Benchmark]: Toolchain (without parser) took 440.73 ms. Allocated memory is still 52.4 MB. Free memory was 29.6 MB in the beginning and 27.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-11-23 23:46:02,055 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:46:02,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 398.31 ms. Allocated memory is still 52.4 MB. Free memory was 29.1 MB in the beginning and 28.5 MB in the end (delta: 546.7 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-11-23 23:46:02,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 52.4 MB. Free memory was 28.5 MB in the beginning and 27.7 MB in the end (delta: 815.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-23 23:46:02,060 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 398.31 ms. Allocated memory is still 52.4 MB. Free memory was 29.1 MB in the beginning and 28.5 MB in the end (delta: 546.7 kB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.62 ms. Allocated memory is still 52.4 MB. Free memory was 28.5 MB in the beginning and 27.7 MB in the end (delta: 815.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable - TypeErrorResult [Line: -1]: Type Error Modifies clause contains #t~nondet7 which is not a global variable * Results from de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: - ExceptionOrErrorResult: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: AssertionError: Incorrect DeclarationInformation of "#t~nondet7". Expected: Found: GLOBAL: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.internalError(TypeCheckHelper.java:297) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...