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/float-benchs/loop-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:25:22,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:25:22,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:25:22,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:25:22,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:25:22,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:25:22,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:25:22,699 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:25:22,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:25:22,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:25:22,703 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:25:22,704 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:25:22,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:25:22,705 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:25:22,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:25:22,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:25:22,708 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:25:22,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:25:22,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:25:22,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:25:22,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:25:22,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:25:22,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:25:22,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:25:22,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 21:25:22,721 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:25:22,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:25:22,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:25:22,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:25:22,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:25:22,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:25:22,725 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:25:22,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:25:22,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:25:22,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:25:22,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:25:22,728 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 21:25:22,741 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:25:22,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:25:22,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:25:22,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:25:22,743 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:25:22,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:25:22,744 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:25:22,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:25:22,744 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:25:22,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:25:22,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:25:22,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:25:22,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:25:22,745 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:25:22,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:25:22,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:25:22,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:25:22,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:25:22,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:25:22,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:25:22,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:25:22,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:25:22,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:25:22,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:25:22,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:25:22,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:25:22,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:25:22,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:25:22,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:25:22,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:25:22,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:25:22,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:25:22,793 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:25:22,793 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:25:22,794 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/loop-1.c [2019-08-22 21:25:22,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fdad400f/f8b14f0cfe934f5eb114854536b3529a/FLAG64d2ef151 [2019-08-22 21:25:23,323 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:25:23,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/loop-1.c [2019-08-22 21:25:23,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fdad400f/f8b14f0cfe934f5eb114854536b3529a/FLAG64d2ef151 [2019-08-22 21:25:23,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fdad400f/f8b14f0cfe934f5eb114854536b3529a [2019-08-22 21:25:23,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:25:23,724 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:25:23,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:23,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:25:23,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:25:23,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:23" (1/1) ... [2019-08-22 21:25:23,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121d060d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23, skipping insertion in model container [2019-08-22 21:25:23,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:25:23" (1/1) ... [2019-08-22 21:25:23,741 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:25:23,757 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:25:23,914 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:23,919 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:25:23,936 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:25:23,950 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:25:23,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23 WrapperNode [2019-08-22 21:25:23,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:25:23,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:25:23,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:25:23,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:25:24,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23" (1/1) ... [2019-08-22 21:25:24,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23" (1/1) ... [2019-08-22 21:25:24,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23" (1/1) ... [2019-08-22 21:25:24,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23" (1/1) ... [2019-08-22 21:25:24,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23" (1/1) ... [2019-08-22 21:25:24,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23" (1/1) ... [2019-08-22 21:25:24,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23" (1/1) ... [2019-08-22 21:25:24,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:25:24,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:25:24,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:25:24,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:25:24,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:25:23" (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 21:25:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:25:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:25:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 21:25:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:25:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:25:24,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 21:25:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:25:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:25:24,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:25:24,277 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:25:24,278 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 21:25:24,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:24 BoogieIcfgContainer [2019-08-22 21:25:24,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:25:24,279 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:25:24,279 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:25:24,280 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:25:24,281 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:25:24" (1/1) ... [2019-08-22 21:25:24,292 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:25:24,294 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:25:24,299 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:25:24,306 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:25:24,307 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:25:24,351 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1