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-a32b1f7 [2019-08-18 06:16:39,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:16:39,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:16:39,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:16:39,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:16:39,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:16:39,658 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:16:39,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:16:39,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:16:39,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:16:39,678 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:16:39,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:16:39,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:16:39,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:16:39,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:16:39,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:16:39,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:16:39,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:16:39,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:16:39,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:16:39,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:16:39,705 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:16:39,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:16:39,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:16:39,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:16:39,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:16:39,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:16:39,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:16:39,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:16:39,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:16:39,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:16:39,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:16:39,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:16:39,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:16:39,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:16:39,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:16:39,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:16:39,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:16:39,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:16:39,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:16:39,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:16:39,726 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 [2019-08-18 06:16:39,746 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:16:39,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:16:39,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:16:39,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:16:39,748 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:16:39,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:16:39,748 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:16:39,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:16:39,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:16:39,749 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:16:39,749 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:16:39,749 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:16:39,749 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:16:39,750 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:16:39,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:16:39,750 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:16:39,750 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:16:39,750 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:16:39,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:16:39,751 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:16:39,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:16:39,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:16:39,751 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:16:39,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:16:39,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:16:39,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:16:39,752 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:16:39,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:16:39,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:16:39,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:16:39,795 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:16:39,799 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:16:39,801 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:16:39,801 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:16:39,802 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-cdfpl/newton_1_7.i [2019-08-18 06:16:39,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6a6a24b2/b65f47f271b64179aa89e41311dc3198/FLAGd99e0079c [2019-08-18 06:16:40,372 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:16:40,374 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-cdfpl/newton_1_7.i [2019-08-18 06:16:40,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6a6a24b2/b65f47f271b64179aa89e41311dc3198/FLAGd99e0079c [2019-08-18 06:16:40,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6a6a24b2/b65f47f271b64179aa89e41311dc3198 [2019-08-18 06:16:40,765 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:16:40,767 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:16:40,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:16:40,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:16:40,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:16:40,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:16:40" (1/1) ... [2019-08-18 06:16:40,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70471a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:40, skipping insertion in model container [2019-08-18 06:16:40,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:16:40" (1/1) ... [2019-08-18 06:16:40,782 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:16:40,799 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:16:40,970 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:16:40,974 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:16:40,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:16:41,004 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:16:41,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41 WrapperNode [2019-08-18 06:16:41,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:16:41,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:16:41,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:16:41,006 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:16:41,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:16:41,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:16:41,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:16:41,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:16:41,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:16:41" (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 [2019-08-18 06:16:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:16:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:16:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-18 06:16:41,192 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2019-08-18 06:16:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:16:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:16:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 06:16:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2019-08-18 06:16:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-18 06:16:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2019-08-18 06:16:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:16:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:16:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:16:41,345 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:16:41,345 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 06:16:41,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:16:41 BoogieIcfgContainer [2019-08-18 06:16:41,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:16:41,347 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:16:41,348 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:16:41,348 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:16:41,349 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:16:41" (1/1) ... [2019-08-18 06:16:41,360 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 06:16:41,363 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:16:41,369 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:16:41,377 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:16:41,378 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:16:41,419 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 06:16:41,443 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 06:16:41,443 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 06:16:41,445 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 23#true [2019-08-18 06:16:41,455 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 06:16:41,455 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 06:16:41,460 INFO L168 Benchmark]: Toolchain (without parser) took 690.77 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 86.3 MB in the beginning and 156.5 MB in the end (delta: -70.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:16:41,461 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 130.5 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 06:16:41,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.35 ms. Allocated memory is still 130.5 MB. Free memory was 85.9 MB in the beginning and 76.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:41,463 INFO L168 Benchmark]: Boogie Preprocessor took 134.36 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 76.2 MB in the beginning and 173.5 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:41,464 INFO L168 Benchmark]: RCFGBuilder took 206.95 ms. Allocated memory is still 197.7 MB. Free memory was 173.5 MB in the beginning and 162.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:41,465 INFO L168 Benchmark]: Symbolic Interpretation took 108.00 ms. Allocated memory is still 197.7 MB. Free memory was 162.1 MB in the beginning and 157.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-18 06:16:41,469 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 23#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 130.5 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 237.35 ms. Allocated memory is still 130.5 MB. Free memory was 85.9 MB in the beginning and 76.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.36 ms. Allocated memory was 130.5 MB in the beginning and 197.7 MB in the end (delta: 67.1 MB). Free memory was 76.2 MB in the beginning and 173.5 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 206.95 ms. Allocated memory is still 197.7 MB. Free memory was 173.5 MB in the beginning and 162.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 108.00 ms. Allocated memory is still 197.7 MB. Free memory was 162.1 MB in the beginning and 157.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...