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-cdfpl/newton_1_3.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:25:02,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:25:02,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:25:02,887 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:25:02,888 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:25:02,889 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:25:02,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:25:02,900 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:25:02,902 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:25:02,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:25:02,904 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:25:02,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:25:02,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:25:02,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:25:02,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:25:02,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:25:02,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:25:02,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:25:02,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:25:02,913 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:25:02,915 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:25:02,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:25:02,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:25:02,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:25:02,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 01:25:02,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 01:25:02,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 01:25:02,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 01:25:02,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 01:25:02,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 01:25:02,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:25:02,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:25:02,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:25:02,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:25:02,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:25:02,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:25:02,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:25:02,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:25:02,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:25:02,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:25:02,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:25:02,930 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 [2019-08-10 01:25:02,944 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:25:02,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:25:02,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:25:02,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:25:02,946 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:25:02,946 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:25:02,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:25:02,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:25:02,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:25:02,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:25:02,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:25:02,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:25:02,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:25:02,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:25:02,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:25:02,948 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:25:02,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:25:02,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:25:02,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:25:02,949 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:25:02,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:25:02,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:25:02,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:25:02,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:25:02,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:25:02,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:25:02,951 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:25:02,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:25:02,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:25:02,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:25:03,003 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:25:03,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:25:03,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:25:03,008 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:25:03,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_3.i [2019-08-10 01:25:03,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ca639cf/b381cb2b24814256b6203a8715b76c9f/FLAG33c695b11 [2019-08-10 01:25:03,532 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:25:03,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_3.i [2019-08-10 01:25:03,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ca639cf/b381cb2b24814256b6203a8715b76c9f/FLAG33c695b11 [2019-08-10 01:25:03,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ca639cf/b381cb2b24814256b6203a8715b76c9f [2019-08-10 01:25:03,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:25:03,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:25:03,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:25:03,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:25:03,984 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:25:03,985 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:25:03" (1/1) ... [2019-08-10 01:25:03,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe6f011 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:03, skipping insertion in model container [2019-08-10 01:25:03,988 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:25:03" (1/1) ... [2019-08-10 01:25:03,995 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:25:04,011 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:25:04,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:25:04,175 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:25:04,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:25:04,212 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:25:04,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:04 WrapperNode [2019-08-10 01:25:04,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:25:04,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:25:04,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:25:04,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:25:04,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:04" (1/1) ... [2019-08-10 01:25:04,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:04" (1/1) ... [2019-08-10 01:25:04,319 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:04" (1/1) ... [2019-08-10 01:25:04,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:04" (1/1) ... [2019-08-10 01:25:04,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:04" (1/1) ... [2019-08-10 01:25:04,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:04" (1/1) ... [2019-08-10 01:25:04,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:04" (1/1) ... [2019-08-10 01:25:04,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:25:04,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:25:04,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:25:04,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:25:04,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:04" (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 [2019-08-10 01:25:04,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:25:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:25:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-10 01:25:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-10 01:25:04,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:25:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:25:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 01:25:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-10 01:25:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-10 01:25:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-10 01:25:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:25:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:25:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:25:04,543 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:25:04,544 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 01:25:04,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:25:04 BoogieIcfgContainer [2019-08-10 01:25:04,546 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:25:04,546 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:25:04,546 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:25:04,547 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:25:04,548 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:25:04" (1/1) ... [2019-08-10 01:25:04,702 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:25:04,707 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:25:04,710 INFO L168 Benchmark]: Toolchain (without parser) took 729.74 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 87.6 MB in the beginning and 159.4 MB in the end (delta: -71.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 01:25:04,710 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 131.6 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 01:25:04,711 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.28 ms. Allocated memory is still 131.6 MB. Free memory was 87.6 MB in the beginning and 77.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-10 01:25:04,712 INFO L168 Benchmark]: Boogie Preprocessor took 126.12 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.7 MB in the beginning and 174.5 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-08-10 01:25:04,713 INFO L168 Benchmark]: RCFGBuilder took 205.42 ms. Allocated memory is still 198.7 MB. Free memory was 174.5 MB in the beginning and 164.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-08-10 01:25:04,714 INFO L168 Benchmark]: Symbolic Interpretation took 161.25 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 159.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-08-10 01:25:04,718 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 28]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 23#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 131.6 MB. Free memory is still 105.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 233.28 ms. Allocated memory is still 131.6 MB. Free memory was 87.6 MB in the beginning and 77.7 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.12 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 77.7 MB in the beginning and 174.5 MB in the end (delta: -96.8 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 205.42 ms. Allocated memory is still 198.7 MB. Free memory was 174.5 MB in the beginning and 164.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 161.25 ms. Allocated memory is still 198.7 MB. Free memory was 164.0 MB in the beginning and 159.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...