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_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:23:06,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:23:06,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:23:06,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:23:06,816 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:23:06,817 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:23:06,819 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:23:06,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:23:06,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:23:06,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:23:06,838 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:23:06,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:23:06,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:23:06,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:23:06,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:23:06,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:23:06,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:23:06,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:23:06,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:23:06,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:23:06,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:23:06,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:23:06,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:23:06,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:23:06,869 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:23:06,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:23:06,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:23:06,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:23:06,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:23:06,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:23:06,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:23:06,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:23:06,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:23:06,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:23:06,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:23:06,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:23:06,888 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 21:23:06,911 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:23:06,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:23:06,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:23:06,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:23:06,915 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:23:06,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:23:06,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:23:06,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:23:06,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:23:06,916 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:23:06,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:23:06,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:23:06,917 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:23:06,917 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:23:06,917 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:23:06,918 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:23:06,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:23:06,918 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:23:06,918 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:23:06,918 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:23:06,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:23:06,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:23:06,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:23:06,919 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:23:06,919 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:23:06,920 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:23:06,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:23:06,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:23:06,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:23:06,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:23:06,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:23:06,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:23:06,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:23:06,975 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:23:06,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_3_2.i [2019-08-22 21:23:07,040 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e8d3df5/743af63a1024481b808ac339504f5a22/FLAGdf2053b46 [2019-08-22 21:23:07,501 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:23:07,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_3_2.i [2019-08-22 21:23:07,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e8d3df5/743af63a1024481b808ac339504f5a22/FLAGdf2053b46 [2019-08-22 21:23:07,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28e8d3df5/743af63a1024481b808ac339504f5a22 [2019-08-22 21:23:07,878 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:23:07,879 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:23:07,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:07,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:23:07,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:23:07,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:07" (1/1) ... [2019-08-22 21:23:07,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c764efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:07, skipping insertion in model container [2019-08-22 21:23:07,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:23:07" (1/1) ... [2019-08-22 21:23:07,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:23:07,911 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:23:08,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:08,144 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:23:08,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:23:08,192 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:23:08,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:08 WrapperNode [2019-08-22 21:23:08,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:23:08,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:23:08,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:23:08,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:23:08,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:08" (1/1) ... [2019-08-22 21:23:08,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:08" (1/1) ... [2019-08-22 21:23:08,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:08" (1/1) ... [2019-08-22 21:23:08,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:08" (1/1) ... [2019-08-22 21:23:08,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:08" (1/1) ... [2019-08-22 21:23:08,323 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:08" (1/1) ... [2019-08-22 21:23:08,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:08" (1/1) ... [2019-08-22 21:23:08,331 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:23:08,331 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:23:08,331 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:23:08,331 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:23:08,332 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:23:08" (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 21:23:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:23:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:23:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-22 21:23:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-22 21:23:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:23:08,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:23:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-22 21:23:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-22 21:23:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-22 21:23:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-22 21:23:08,384 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:23:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:23:08,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:23:08,545 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:23:08,545 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-22 21:23:08,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:08 BoogieIcfgContainer [2019-08-22 21:23:08,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:23:08,548 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:23:08,548 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:23:08,548 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:23:08,549 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:23:08" (1/1) ... [2019-08-22 21:23:08,565 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:23:08,567 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:23:08,581 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:23:08,597 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:23:08,601 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:23:08,669 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-22 21:23:08,719 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:23:08,720 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:23:08,722 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 37#true [2019-08-22 21:23:08,732 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:23:08,732 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:23:08,739 INFO L168 Benchmark]: Toolchain (without parser) took 855.26 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 88.1 MB in the beginning and 156.7 MB in the end (delta: -68.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-22 21:23:08,740 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 136.3 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:23:08,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.93 ms. Allocated memory is still 136.3 MB. Free memory was 87.9 MB in the beginning and 77.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:08,746 INFO L168 Benchmark]: Boogie Preprocessor took 136.66 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 77.4 MB in the beginning and 175.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:08,747 INFO L168 Benchmark]: RCFGBuilder took 216.26 ms. Allocated memory is still 197.7 MB. Free memory was 175.7 MB in the beginning and 163.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:08,748 INFO L168 Benchmark]: Symbolic Interpretation took 184.38 ms. Allocated memory is still 197.7 MB. Free memory was 163.4 MB in the beginning and 156.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. [2019-08-22 21:23:08,754 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 37#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 136.3 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 313.93 ms. Allocated memory is still 136.3 MB. Free memory was 87.9 MB in the beginning and 77.4 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.66 ms. Allocated memory was 136.3 MB in the beginning and 197.7 MB in the end (delta: 61.3 MB). Free memory was 77.4 MB in the beginning and 175.7 MB in the end (delta: -98.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 216.26 ms. Allocated memory is still 197.7 MB. Free memory was 175.7 MB in the beginning and 163.4 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 184.38 ms. Allocated memory is still 197.7 MB. Free memory was 163.4 MB in the beginning and 156.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...