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-esbmc-regression/Double_div.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:27:05,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:27:05,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:27:05,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:27:05,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:27:05,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:27:05,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:27:05,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:27:05,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:27:05,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:27:05,912 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:27:05,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:27:05,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:27:05,915 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:27:05,916 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:27:05,917 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:27:05,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:27:05,919 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:27:05,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:27:05,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:27:05,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:27:05,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:27:05,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:27:05,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:27:05,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:27:05,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:27:05,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:27:05,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:27:05,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:27:05,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:27:05,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:27:05,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:27:05,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:27:05,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:27:05,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:27:05,951 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:27:05,952 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 21:27:05,967 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:27:05,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:27:05,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:27:05,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:27:05,975 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:27:05,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:27:05,975 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:27:05,975 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:27:05,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:27:05,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:27:05,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:27:05,976 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:27:05,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:27:05,977 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:27:05,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:27:05,977 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:27:05,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:27:05,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:27:05,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:27:05,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:27:05,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:27:05,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:27:05,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:27:05,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:27:05,983 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:27:05,983 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:27:05,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:27:05,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:27:05,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:27:06,042 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:27:06,054 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:27:06,057 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:27:06,059 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:27:06,060 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:27:06,061 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Double_div.i [2019-08-22 21:27:06,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/280de7d75/31ddf32066f543519eab35375c7caebd/FLAG2ca5af245 [2019-08-22 21:27:06,548 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:27:06,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Double_div.i [2019-08-22 21:27:06,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/280de7d75/31ddf32066f543519eab35375c7caebd/FLAG2ca5af245 [2019-08-22 21:27:06,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/280de7d75/31ddf32066f543519eab35375c7caebd [2019-08-22 21:27:06,998 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:27:06,999 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:27:07,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:27:07,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:27:07,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:27:07,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:27:06" (1/1) ... [2019-08-22 21:27:07,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba41c78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07, skipping insertion in model container [2019-08-22 21:27:07,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:27:06" (1/1) ... [2019-08-22 21:27:07,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:27:07,038 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:27:07,249 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:27:07,254 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:27:07,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:27:07,279 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:27:07,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07 WrapperNode [2019-08-22 21:27:07,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:27:07,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:27:07,280 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:27:07,280 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:27:07,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07" (1/1) ... [2019-08-22 21:27:07,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07" (1/1) ... [2019-08-22 21:27:07,392 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07" (1/1) ... [2019-08-22 21:27:07,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07" (1/1) ... [2019-08-22 21:27:07,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07" (1/1) ... [2019-08-22 21:27:07,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07" (1/1) ... [2019-08-22 21:27:07,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07" (1/1) ... [2019-08-22 21:27:07,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:27:07,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:27:07,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:27:07,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:27:07,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:27:07" (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 21:27:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:27:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:27:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:27:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:27:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:27:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:27:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:27:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:27:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:27:07,624 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:27:07,625 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 21:27:07,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:27:07 BoogieIcfgContainer [2019-08-22 21:27:07,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:27:07,627 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:27:07,627 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:27:07,627 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:27:07,628 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:27:07" (1/1) ... [2019-08-22 21:27:07,642 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:27:07,644 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:27:07,649 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:27:07,656 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:27:07,657 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:27:07,704 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1