./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cbmc-regression/float21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 025d5a27 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cbmc-regression/float21.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941e668ccf070b9a219d3bc8afc49564f51e679a ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/float21.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 941e668ccf070b9a219d3bc8afc49564f51e679a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-025d5a2 [2019-11-26 16:57:36,750 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:36,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:36,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:36,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:36,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:36,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:36,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:36,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:36,826 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:36,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:36,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:36,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:36,843 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:36,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:36,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:36,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:36,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:36,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:36,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:36,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:36,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:36,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:36,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:36,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:36,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:36,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:36,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:36,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:36,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:36,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:36,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:36,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:36,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:36,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:36,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:36,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:36,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:36,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:36,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:36,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:36,932 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-26 16:57:36,971 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:36,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:36,977 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:36,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:36,978 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:36,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:36,979 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:36,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 16:57:36,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:36,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:36,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:36,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:36,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:36,986 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:36,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:36,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:36,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:36,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:36,987 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:36,988 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:36,989 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:36,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:36,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:36,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:36,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:36,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 16:57:36,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 16:57:36,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:36,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2019-11-26 16:57:37,577 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:37,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:37,616 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:37,620 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:37,621 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:37,626 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float21.i [2019-11-26 16:57:37,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bfdfdf24/9c98e6fde1c641b4b673eb01b2783834/FLAGf26e40ce7 [2019-11-26 16:57:38,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:38,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float21.i [2019-11-26 16:57:38,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bfdfdf24/9c98e6fde1c641b4b673eb01b2783834/FLAGf26e40ce7 [2019-11-26 16:57:39,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bfdfdf24/9c98e6fde1c641b4b673eb01b2783834 [2019-11-26 16:57:39,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:39,451 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:39,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:39,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:39,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:39,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@496f2f38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:39, skipping insertion in model container [2019-11-26 16:57:39,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:39" (1/1) ... [2019-11-26 16:57:39,484 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:39,611 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:40,943 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: fpclassify 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.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1642) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1386) 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:1065) 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:2349) 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:698) 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:2349) 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:2349) 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:1548) 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:1030) 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:1408) 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:3484) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-11-26 16:57:40,964 INFO L168 Benchmark]: Toolchain (without parser) took 1505.89 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 990.3 MB in the end (delta: -30.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:40,965 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:40,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1495.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 990.3 MB in the end (delta: -30.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:40,975 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 1495.24 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 960.3 MB in the beginning and 990.3 MB in the end (delta: -30.1 MB). Peak memory consumption was 21.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: 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 0.1.24-025d5a2 [2019-11-26 16:57:44,923 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 16:57:44,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 16:57:44,965 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 16:57:44,969 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 16:57:44,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 16:57:44,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 16:57:44,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 16:57:44,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 16:57:45,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 16:57:45,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 16:57:45,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 16:57:45,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 16:57:45,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 16:57:45,023 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 16:57:45,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 16:57:45,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 16:57:45,036 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 16:57:45,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 16:57:45,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 16:57:45,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 16:57:45,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 16:57:45,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 16:57:45,070 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 16:57:45,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 16:57:45,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 16:57:45,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 16:57:45,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 16:57:45,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 16:57:45,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 16:57:45,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 16:57:45,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 16:57:45,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 16:57:45,097 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 16:57:45,100 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 16:57:45,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 16:57:45,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 16:57:45,105 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 16:57:45,105 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 16:57:45,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 16:57:45,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 16:57:45,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-26 16:57:45,153 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 16:57:45,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 16:57:45,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 16:57:45,161 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 16:57:45,163 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 16:57:45,163 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 16:57:45,163 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 16:57:45,164 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 16:57:45,164 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 16:57:45,164 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 16:57:45,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 16:57:45,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 16:57:45,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 16:57:45,169 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 16:57:45,169 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 16:57:45,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 16:57:45,170 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 16:57:45,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 16:57:45,171 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 16:57:45,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 16:57:45,174 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 16:57:45,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 16:57:45,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 16:57:45,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 16:57:45,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 16:57:45,175 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 16:57:45,176 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 16:57:45,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 16:57:45,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 16:57:45,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 16:57:45,181 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2019-11-26 16:57:45,712 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 16:57:45,744 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 16:57:45,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 16:57:45,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 16:57:45,756 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 16:57:45,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cbmc-regression/float21.i [2019-11-26 16:57:45,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0687e8ef/be684d9fa9944970a90b1455232ff44f/FLAG3d0edf07f [2019-11-26 16:57:47,168 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 16:57:47,170 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cbmc-regression/float21.i [2019-11-26 16:57:47,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0687e8ef/be684d9fa9944970a90b1455232ff44f/FLAG3d0edf07f [2019-11-26 16:57:47,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f0687e8ef/be684d9fa9944970a90b1455232ff44f [2019-11-26 16:57:47,252 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 16:57:47,257 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2019-11-26 16:57:47,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:47,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 16:57:47,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 16:57:47,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:47" (1/1) ... [2019-11-26 16:57:47,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328fd84f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:47, skipping insertion in model container [2019-11-26 16:57:47,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 04:57:47" (1/1) ... [2019-11-26 16:57:47,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 16:57:47,399 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 16:57:48,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:48,750 INFO L203 MainTranslator]: Completed pre-run [2019-11-26 16:57:48,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 16:57:49,535 INFO L208 MainTranslator]: Completed translation [2019-11-26 16:57:49,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49 WrapperNode [2019-11-26 16:57:49,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 16:57:49,537 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:49,537 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 16:57:49,538 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 16:57:49,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 16:57:49,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 16:57:49,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 16:57:49,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 16:57:49,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 04:57:49" (1/1) ... [2019-11-26 16:57:49,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 16:57:49,777 INFO L168 Benchmark]: Toolchain (without parser) took 2508.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 881.3 MB in the end (delta: 80.3 MB). Peak memory consumption was 80.4 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:49,780 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:49,783 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2278.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 887.1 MB in the end (delta: 74.6 MB). Peak memory consumption was 74.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:49,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.51 ms. Allocated memory is still 1.0 GB. Free memory is still 887.1 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 16:57:49,789 INFO L168 Benchmark]: Boogie Preprocessor took 66.48 ms. Allocated memory is still 1.0 GB. Free memory was 887.1 MB in the beginning and 881.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. [2019-11-26 16:57:49,801 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2278.05 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 887.1 MB in the end (delta: 74.6 MB). Peak memory consumption was 74.7 MB. Max. memory is 12.5 GB. * Boogie Procedure Inliner took 155.51 ms. Allocated memory is still 1.0 GB. Free memory is still 887.1 MB. There was no memory consumed. Max. memory is 12.5 GB. * Boogie Preprocessor took 66.48 ms. Allocated memory is still 1.0 GB. Free memory was 887.1 MB in the beginning and 881.3 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 12.5 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...