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_2_6.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 01:25:23,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 01:25:23,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 01:25:23,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 01:25:23,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 01:25:23,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 01:25:23,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 01:25:23,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 01:25:23,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 01:25:23,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 01:25:23,679 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 01:25:23,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 01:25:23,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 01:25:23,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 01:25:23,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 01:25:23,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 01:25:23,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 01:25:23,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 01:25:23,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 01:25:23,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 01:25:23,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 01:25:23,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 01:25:23,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 01:25:23,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 01:25:23,695 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 01:25:23,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 01:25:23,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 01:25:23,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 01:25:23,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 01:25:23,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 01:25:23,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 01:25:23,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 01:25:23,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 01:25:23,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 01:25:23,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 01:25:23,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 01:25:23,705 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 01:25:23,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 01:25:23,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 01:25:23,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 01:25:23,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 01:25:23,721 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 01:25:23,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 01:25:23,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 01:25:23,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 01:25:23,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 01:25:23,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 01:25:23,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 01:25:23,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 01:25:23,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 01:25:23,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 01:25:23,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 01:25:23,723 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 01:25:23,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 01:25:23,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 01:25:23,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 01:25:23,724 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 01:25:23,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 01:25:23,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 01:25:23,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 01:25:23,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 01:25:23,725 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 01:25:23,725 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 01:25:23,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 01:25:23,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 01:25:23,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 01:25:23,753 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 01:25:23,765 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 01:25:23,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 01:25:23,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 01:25:23,770 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 01:25:23,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_2_6.i [2019-08-10 01:25:23,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1662c426b/0e513d21944a43e8b0f0187dc42593ec/FLAG916704409 [2019-08-10 01:25:24,280 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 01:25:24,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_2_6.i [2019-08-10 01:25:24,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1662c426b/0e513d21944a43e8b0f0187dc42593ec/FLAG916704409 [2019-08-10 01:25:24,666 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1662c426b/0e513d21944a43e8b0f0187dc42593ec [2019-08-10 01:25:24,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 01:25:24,680 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 01:25:24,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 01:25:24,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 01:25:24,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 01:25:24,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:25:24" (1/1) ... [2019-08-10 01:25:24,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a4d61d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:24, skipping insertion in model container [2019-08-10 01:25:24,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 01:25:24" (1/1) ... [2019-08-10 01:25:24,700 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 01:25:24,722 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 01:25:24,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:25:24,980 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 01:25:25,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 01:25:25,034 INFO L192 MainTranslator]: Completed translation [2019-08-10 01:25:25,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:25 WrapperNode [2019-08-10 01:25:25,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 01:25:25,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 01:25:25,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 01:25:25,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 01:25:25,184 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:25" (1/1) ... [2019-08-10 01:25:25,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:25" (1/1) ... [2019-08-10 01:25:25,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:25" (1/1) ... [2019-08-10 01:25:25,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:25" (1/1) ... [2019-08-10 01:25:25,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:25" (1/1) ... [2019-08-10 01:25:25,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:25" (1/1) ... [2019-08-10 01:25:25,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:25" (1/1) ... [2019-08-10 01:25:25,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 01:25:25,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 01:25:25,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 01:25:25,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 01:25:25,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 01:25:25" (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 01:25:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 01:25:25,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 01:25:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-10 01:25:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-10 01:25:25,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 01:25:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 01:25:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 01:25:25,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-10 01:25:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-10 01:25:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-10 01:25:25,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 01:25:25,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 01:25:25,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 01:25:25,457 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 01:25:25,457 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 01:25:25,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:25:25 BoogieIcfgContainer [2019-08-10 01:25:25,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 01:25:25,460 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 01:25:25,460 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 01:25:25,460 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 01:25:25,461 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 01:25:25" (1/1) ... [2019-08-10 01:25:25,631 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 01:25:25,638 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 01:25:25,641 INFO L168 Benchmark]: Toolchain (without parser) took 959.34 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 88.5 MB in the beginning and 163.9 MB in the end (delta: -75.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 01:25:25,642 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 01:25:25,643 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.20 ms. Allocated memory is still 140.5 MB. Free memory was 88.5 MB in the beginning and 78.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-10 01:25:25,644 INFO L168 Benchmark]: Boogie Preprocessor took 181.68 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 78.6 MB in the beginning and 179.9 MB in the end (delta: -101.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-10 01:25:25,645 INFO L168 Benchmark]: RCFGBuilder took 241.45 ms. Allocated memory is still 202.9 MB. Free memory was 179.9 MB in the beginning and 169.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-10 01:25:25,646 INFO L168 Benchmark]: Symbolic Interpretation took 178.17 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 163.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-08-10 01:25:25,651 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 26#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory is still 106.3 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 351.20 ms. Allocated memory is still 140.5 MB. Free memory was 88.5 MB in the beginning and 78.6 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 181.68 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 78.6 MB in the beginning and 179.9 MB in the end (delta: -101.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 241.45 ms. Allocated memory is still 202.9 MB. Free memory was 179.9 MB in the beginning and 169.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 178.17 ms. Allocated memory is still 202.9 MB. Free memory was 169.2 MB in the beginning and 163.9 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...