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/Float_div.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:28:13,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:28:13,732 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:28:13,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:28:13,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:28:13,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:28:13,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:28:13,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:28:13,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:28:13,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:28:13,752 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:28:13,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:28:13,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:28:13,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:28:13,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:28:13,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:28:13,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:28:13,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:28:13,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:28:13,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:28:13,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:28:13,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:28:13,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:28:13,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:28:13,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:28:13,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:28:13,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:28:13,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:28:13,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:28:13,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:28:13,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:28:13,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:28:13,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:28:13,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:28:13,789 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:28:13,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:28:13,791 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 21:28:13,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:28:13,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:28:13,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:28:13,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:28:13,821 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:28:13,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:28:13,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:28:13,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:28:13,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:28:13,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:28:13,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:28:13,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:28:13,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:28:13,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:28:13,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:28:13,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:28:13,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:28:13,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:28:13,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:28:13,825 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:28:13,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:28:13,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:28:13,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:28:13,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:28:13,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:28:13,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:28:13,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:28:13,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:28:13,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:28:13,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:28:13,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:28:13,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:28:13,895 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:28:13,896 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:28:13,896 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/floats-esbmc-regression/Float_div.i [2019-08-22 21:28:13,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e259e2c6/af171ef0c65f443d9ca7f8eb805f5481/FLAG2f40f018b [2019-08-22 21:28:14,453 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:28:14,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/floats-esbmc-regression/Float_div.i [2019-08-22 21:28:14,462 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e259e2c6/af171ef0c65f443d9ca7f8eb805f5481/FLAG2f40f018b [2019-08-22 21:28:14,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e259e2c6/af171ef0c65f443d9ca7f8eb805f5481 [2019-08-22 21:28:14,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:28:14,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:28:14,806 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:28:14,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:28:14,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:28:14,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:14" (1/1) ... [2019-08-22 21:28:14,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72d69c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:14, skipping insertion in model container [2019-08-22 21:28:14,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:28:14" (1/1) ... [2019-08-22 21:28:14,820 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:28:14,833 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:28:14,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:28:15,003 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:28:15,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:28:15,034 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:28:15,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:15 WrapperNode [2019-08-22 21:28:15,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:28:15,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:28:15,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:28:15,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:28:15,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:15" (1/1) ... [2019-08-22 21:28:15,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:15" (1/1) ... [2019-08-22 21:28:15,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:15" (1/1) ... [2019-08-22 21:28:15,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:15" (1/1) ... [2019-08-22 21:28:15,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:15" (1/1) ... [2019-08-22 21:28:15,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:15" (1/1) ... [2019-08-22 21:28:15,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:15" (1/1) ... [2019-08-22 21:28:15,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:28:15,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:28:15,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:28:15,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:28:15,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:28:15" (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 [2019-08-22 21:28:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:28:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:28:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:28:15,229 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:28:15,229 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:28:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:28:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:28:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:28:15,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:28:15,371 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:28:15,372 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 21:28:15,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:28:15 BoogieIcfgContainer [2019-08-22 21:28:15,373 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:28:15,374 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:28:15,374 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:28:15,374 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:28:15,375 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:28:15" (1/1) ... [2019-08-22 21:28:15,388 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:28:15,390 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:28:15,396 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:28:15,403 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:28:15,404 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:28:15,448 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1