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_3_5.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 19:38:13,677 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 19:38:13,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 19:38:13,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 19:38:13,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 19:38:13,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 19:38:13,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 19:38:13,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 19:38:13,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 19:38:13,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 19:38:13,699 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 19:38:13,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 19:38:13,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 19:38:13,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 19:38:13,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 19:38:13,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 19:38:13,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 19:38:13,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 19:38:13,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 19:38:13,709 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 19:38:13,711 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 19:38:13,712 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 19:38:13,713 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 19:38:13,714 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 19:38:13,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 19:38:13,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 19:38:13,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 19:38:13,717 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 19:38:13,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 19:38:13,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 19:38:13,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 19:38:13,720 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 19:38:13,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 19:38:13,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 19:38:13,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 19:38:13,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 19:38:13,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 19:38:13,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 19:38:13,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 19:38:13,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 19:38:13,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 19:38:13,726 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 [2019-08-14 19:38:13,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 19:38:13,741 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 19:38:13,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 19:38:13,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 19:38:13,743 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 19:38:13,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 19:38:13,743 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 19:38:13,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 19:38:13,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 19:38:13,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 19:38:13,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 19:38:13,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 19:38:13,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 19:38:13,744 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 19:38:13,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 19:38:13,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 19:38:13,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 19:38:13,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 19:38:13,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 19:38:13,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 19:38:13,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 19:38:13,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 19:38:13,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 19:38:13,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 19:38:13,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 19:38:13,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 19:38:13,747 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 19:38:13,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 19:38:13,747 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 19:38:13,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 19:38:13,806 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 19:38:13,809 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 19:38:13,811 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 19:38:13,811 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 19:38:13,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_5.i [2019-08-14 19:38:13,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/409bd8dc6/068ad84625c5429e9b5bdb3556b7f1b8/FLAG67fc4b0cd [2019-08-14 19:38:14,322 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 19:38:14,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_5.i [2019-08-14 19:38:14,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/409bd8dc6/068ad84625c5429e9b5bdb3556b7f1b8/FLAG67fc4b0cd [2019-08-14 19:38:14,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/409bd8dc6/068ad84625c5429e9b5bdb3556b7f1b8 [2019-08-14 19:38:14,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 19:38:14,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 19:38:14,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:14,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 19:38:14,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 19:38:14,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c6c6548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:14, skipping insertion in model container [2019-08-14 19:38:14,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 07:38:14" (1/1) ... [2019-08-14 19:38:14,733 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 19:38:14,752 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 19:38:14,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:14,994 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 19:38:15,032 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 19:38:15,048 INFO L192 MainTranslator]: Completed translation [2019-08-14 19:38:15,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:15 WrapperNode [2019-08-14 19:38:15,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 19:38:15,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 19:38:15,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 19:38:15,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 19:38:15,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:15" (1/1) ... [2019-08-14 19:38:15,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:15" (1/1) ... [2019-08-14 19:38:15,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:15" (1/1) ... [2019-08-14 19:38:15,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:15" (1/1) ... [2019-08-14 19:38:15,195 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:15" (1/1) ... [2019-08-14 19:38:15,197 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:15" (1/1) ... [2019-08-14 19:38:15,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:15" (1/1) ... [2019-08-14 19:38:15,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 19:38:15,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 19:38:15,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 19:38:15,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 19:38:15,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 07:38:15" (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 [2019-08-14 19:38:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 19:38:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 19:38:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-14 19:38:15,268 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-14 19:38:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 19:38:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 19:38:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 19:38:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-14 19:38:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-14 19:38:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-14 19:38:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 19:38:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 19:38:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 19:38:15,437 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 19:38:15,438 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 19:38:15,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:38:15 BoogieIcfgContainer [2019-08-14 19:38:15,444 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 19:38:15,444 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 19:38:15,444 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 19:38:15,445 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 19:38:15,446 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 07:38:15" (1/1) ... [2019-08-14 19:38:15,589 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 19:38:15,592 INFO L168 Benchmark]: Toolchain (without parser) took 879.36 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 87.0 MB in the beginning and 159.8 MB in the end (delta: -72.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 19:38:15,592 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 19:38:15,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.90 ms. Allocated memory is still 138.9 MB. Free memory was 87.0 MB in the beginning and 77.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:15,599 INFO L168 Benchmark]: Boogie Preprocessor took 155.62 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 77.1 MB in the beginning and 176.7 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:15,602 INFO L168 Benchmark]: RCFGBuilder took 238.13 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 165.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:15,603 INFO L168 Benchmark]: Symbolic Interpretation took 144.54 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 159.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-08-14 19:38:15,610 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 29#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.9 MB. Free memory is still 104.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 332.90 ms. Allocated memory is still 138.9 MB. Free memory was 87.0 MB in the beginning and 77.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 155.62 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 77.1 MB in the beginning and 176.7 MB in the end (delta: -99.6 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 238.13 ms. Allocated memory is still 199.2 MB. Free memory was 176.7 MB in the beginning and 165.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 144.54 ms. Allocated memory is still 199.2 MB. Free memory was 165.2 MB in the beginning and 159.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...