java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:23:21,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:23:21,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:23:21,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:23:21,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:23:21,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:23:21,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:23:21,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:23:21,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:23:21,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:23:21,881 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:23:21,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:23:21,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:23:21,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:23:21,889 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:23:21,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:23:21,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:23:21,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:23:21,895 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:23:21,901 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:23:21,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:23:21,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:23:21,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:23:21,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:23:21,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:23:21,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:23:21,916 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:23:21,917 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:23:21,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:23:21,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:23:21,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:23:21,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:23:21,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:23:21,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:23:21,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:23:21,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:23:21,922 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-22 21:23:21,941 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:23:21,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:23:21,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:23:21,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:23:21,943 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:23:21,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:23:21,944 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:23:21,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:23:21,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:23:21,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:23:21,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:23:21,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:23:21,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:23:21,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:23:21,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:23:21,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:23:21,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:23:21,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:23:21,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:23:21,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:23:21,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:23:21,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:23:21,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:23:21,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:23:21,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:23:21,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:23:21,954 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:23:21,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:23:21,955 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:23:22,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:23:22,021 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:23:22,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:23:22,026 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:23:22,027 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:23:22,028 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2019-08-22 21:23:22,089 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d5879ad/39d6a7549ed44244aa4fd6d9fcb51741/FLAG55c55f107 [2019-08-22 21:23:22,464 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:23:22,466 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cbmc-regression/float-no-simp7.c [2019-08-22 21:23:22,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d5879ad/39d6a7549ed44244aa4fd6d9fcb51741/FLAG55c55f107 [2019-08-22 21:23:22,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0d5879ad/39d6a7549ed44244aa4fd6d9fcb51741 [2019-08-22 21:23:22,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:23:22,868 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:23:22,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:22,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:23:22,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:23:22,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4316869d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:22, skipping insertion in model container [2019-08-22 21:23:22,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:22" (1/1) ... [2019-08-22 21:23:22,885 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:23:22,901 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:23:23,127 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:23,132 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:23:23,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:23,161 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:23:23,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:23 WrapperNode [2019-08-22 21:23:23,162 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:23,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:23:23,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:23:23,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:23:23,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:23" (1/1) ... [2019-08-22 21:23:23,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:23" (1/1) ... [2019-08-22 21:23:23,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:23" (1/1) ... [2019-08-22 21:23:23,282 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:23" (1/1) ... [2019-08-22 21:23:23,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:23" (1/1) ... [2019-08-22 21:23:23,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:23" (1/1) ... [2019-08-22 21:23:23,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:23" (1/1) ... [2019-08-22 21:23:23,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:23:23,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:23:23,294 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:23:23,294 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:23:23,295 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:23:23,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:23:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:23:23,346 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:23:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:23:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:23:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:23:23,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:23:23,485 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:23:23,485 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:23:23,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:23 BoogieIcfgContainer [2019-08-22 21:23:23,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:23:23,489 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:23:23,489 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:23:23,490 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:23:23,491 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:23" (1/1) ... [2019-08-22 21:23:23,503 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:23:23,506 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:23:23,512 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:23:23,520 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:23:23,521 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:23:23,575 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 21:23:23,595 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:23:23,595 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:23:23,597 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 16#(and (<= (/ 13567505.0 21267647932558653966460912964485513216.0) main_~f~0) (= |main_#in~argc| main_~argc) (= |main_#in~argv.offset| main_~argv.offset) (= |main_#in~argv.base| main_~argv.base) (<= main_~f~0 (/ 13567505.0 21267647932558653966460912964485513216.0)) (= (/ 13567505.0 21267647932558653966460912964485513216.0) main_~f~0)) [2019-08-22 21:23:23,608 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:23:23,608 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:23:23,611 INFO L168 Benchmark]: Toolchain (without parser) took 742.14 ms. Allocated memory was 140.5 MB in the beginning and 196.6 MB in the end (delta: 56.1 MB). Free memory was 88.0 MB in the beginning and 157.9 MB in the end (delta: -69.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:23:23,612 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 293.75 ms. Allocated memory is still 140.5 MB. Free memory was 87.6 MB in the beginning and 78.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,614 INFO L168 Benchmark]: Boogie Preprocessor took 130.94 ms. Allocated memory was 140.5 MB in the beginning and 196.6 MB in the end (delta: 56.1 MB). Free memory was 78.0 MB in the beginning and 174.6 MB in the end (delta: -96.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,615 INFO L168 Benchmark]: RCFGBuilder took 193.23 ms. Allocated memory is still 196.6 MB. Free memory was 174.6 MB in the beginning and 164.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,616 INFO L168 Benchmark]: Symbolic Interpretation took 120.11 ms. Allocated memory is still 196.6 MB. Free memory was 164.2 MB in the beginning and 157.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:23,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 16#(and (<= (/ 13567505.0 21267647932558653966460912964485513216.0) main_~f~0) (= |main_#in~argc| main_~argc) (= |main_#in~argv.offset| main_~argv.offset) (= |main_#in~argv.base| main_~argv.base) (<= main_~f~0 (/ 13567505.0 21267647932558653966460912964485513216.0)) (= (/ 13567505.0 21267647932558653966460912964485513216.0) main_~f~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 293.75 ms. Allocated memory is still 140.5 MB. Free memory was 87.6 MB in the beginning and 78.0 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.94 ms. Allocated memory was 140.5 MB in the beginning and 196.6 MB in the end (delta: 56.1 MB). Free memory was 78.0 MB in the beginning and 174.6 MB in the end (delta: -96.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 193.23 ms. Allocated memory is still 196.6 MB. Free memory was 174.6 MB in the beginning and 164.8 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 120.11 ms. Allocated memory is still 196.6 MB. Free memory was 164.2 MB in the beginning and 157.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...