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_7.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:22:58,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:22:58,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:22:58,631 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:22:58,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:22:58,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:22:58,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:22:58,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:22:58,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:22:58,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:22:58,638 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:22:58,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:22:58,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:22:58,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:22:58,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:22:58,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:22:58,644 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:22:58,644 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:22:58,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:22:58,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:22:58,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:22:58,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:22:58,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:22:58,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:22:58,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:22:58,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:22:58,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:22:58,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:22:58,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:22:58,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:22:58,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:22:58,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:22:58,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:22:58,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:22:58,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:22:58,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:22:58,663 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 21:22:58,676 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:22:58,677 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:22:58,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:22:58,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:22:58,678 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:22:58,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:22:58,679 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:22:58,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:22:58,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:22:58,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:22:58,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:22:58,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:22:58,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:22:58,680 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:22:58,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:22:58,680 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:22:58,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:22:58,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:22:58,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:22:58,681 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:22:58,681 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:22:58,682 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:22:58,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:22:58,682 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:22:58,682 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:22:58,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:22:58,683 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:22:58,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:22:58,683 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:22:58,711 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:22:58,724 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:22:58,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:22:58,729 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:22:58,729 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:22:58,730 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_7.i [2019-08-22 21:22:58,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d7d5fee5/be7f068902f449be984ddbdc5a8237b7/FLAG1ead62a4f [2019-08-22 21:22:59,227 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:22:59,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_7.i [2019-08-22 21:22:59,234 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d7d5fee5/be7f068902f449be984ddbdc5a8237b7/FLAG1ead62a4f [2019-08-22 21:22:59,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d7d5fee5/be7f068902f449be984ddbdc5a8237b7 [2019-08-22 21:22:59,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:22:59,612 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:22:59,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:22:59,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:22:59,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:22:59,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:22:59" (1/1) ... [2019-08-22 21:22:59,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@542ad67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59, skipping insertion in model container [2019-08-22 21:22:59,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:22:59" (1/1) ... [2019-08-22 21:22:59,629 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:22:59,648 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:22:59,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:22:59,810 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:22:59,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:22:59,856 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:22:59,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59 WrapperNode [2019-08-22 21:22:59,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:22:59,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:22:59,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:22:59,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:22:59,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59" (1/1) ... [2019-08-22 21:22:59,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59" (1/1) ... [2019-08-22 21:22:59,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59" (1/1) ... [2019-08-22 21:22:59,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59" (1/1) ... [2019-08-22 21:22:59,965 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59" (1/1) ... [2019-08-22 21:22:59,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59" (1/1) ... [2019-08-22 21:22:59,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59" (1/1) ... [2019-08-22 21:22:59,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:22:59,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:22:59,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:22:59,978 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:22:59,979 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:22:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:23:00,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:23:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:23:00,043 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-22 21:23:00,044 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-22 21:23:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:23:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:23:00,045 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 21:23:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-22 21:23:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-22 21:23:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-22 21:23:00,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:23:00,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:23:00,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:23:00,183 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:23:00,183 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:23:00,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:00 BoogieIcfgContainer [2019-08-22 21:23:00,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:23:00,185 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:23:00,185 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:23:00,185 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:23:00,186 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:00" (1/1) ... [2019-08-22 21:23:00,199 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:23:00,202 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:23:00,208 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:23:00,216 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:23:00,218 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:23:00,268 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 21:23:00,295 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:23:00,296 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:23:00,298 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 31#true [2019-08-22 21:23:00,307 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:23:00,307 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:23:00,310 INFO L168 Benchmark]: Toolchain (without parser) took 696.72 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 87.7 MB in the beginning and 161.0 MB in the end (delta: -73.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:23:00,311 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 133.2 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:23:00,312 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.82 ms. Allocated memory is still 133.2 MB. Free memory was 87.7 MB in the beginning and 77.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:00,313 INFO L168 Benchmark]: Boogie Preprocessor took 118.85 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 77.9 MB in the beginning and 178.2 MB in the end (delta: -100.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:00,314 INFO L168 Benchmark]: RCFGBuilder took 206.55 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 167.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:00,315 INFO L168 Benchmark]: Symbolic Interpretation took 122.16 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 161.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:00,319 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: Over-approximation of reachable states at this location is 31#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 133.2 MB. Free memory is still 105.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.82 ms. Allocated memory is still 133.2 MB. Free memory was 87.7 MB in the beginning and 77.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.85 ms. Allocated memory was 133.2 MB in the beginning and 201.3 MB in the end (delta: 68.2 MB). Free memory was 77.9 MB in the beginning and 178.2 MB in the end (delta: -100.3 MB). Peak memory consumption was 16.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.55 ms. Allocated memory is still 201.3 MB. Free memory was 178.2 MB in the beginning and 167.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 122.16 ms. Allocated memory is still 201.3 MB. Free memory was 167.5 MB in the beginning and 161.0 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...