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/loop-acceleration/overflow_1-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 22:02:29,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 22:02:29,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 22:02:29,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 22:02:29,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 22:02:29,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 22:02:29,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 22:02:29,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 22:02:29,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 22:02:29,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 22:02:29,670 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 22:02:29,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 22:02:29,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 22:02:29,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 22:02:29,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 22:02:29,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 22:02:29,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 22:02:29,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 22:02:29,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 22:02:29,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 22:02:29,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 22:02:29,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 22:02:29,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 22:02:29,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 22:02:29,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-22 22:02:29,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 22:02:29,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 22:02:29,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 22:02:29,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 22:02:29,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 22:02:29,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 22:02:29,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 22:02:29,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 22:02:29,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 22:02:29,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 22:02:29,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 22:02:29,696 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 22:02:29,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 22:02:29,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 22:02:29,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 22:02:29,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 22:02:29,722 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 22:02:29,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 22:02:29,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 22:02:29,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 22:02:29,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 22:02:29,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 22:02:29,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 22:02:29,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 22:02:29,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 22:02:29,725 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 22:02:29,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 22:02:29,726 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 22:02:29,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 22:02:29,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 22:02:29,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 22:02:29,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 22:02:29,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 22:02:29,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 22:02:29,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 22:02:29,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 22:02:29,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 22:02:29,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 22:02:29,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 22:02:29,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 22:02:29,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 22:02:29,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 22:02:29,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 22:02:29,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 22:02:29,793 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 22:02:29,793 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 22:02:29,794 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/overflow_1-1.c [2019-08-22 22:02:29,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf9bcbe6/35de022df86a450d9a89742486904ca3/FLAGd0156f801 [2019-08-22 22:02:30,317 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 22:02:30,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/overflow_1-1.c [2019-08-22 22:02:30,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf9bcbe6/35de022df86a450d9a89742486904ca3/FLAGd0156f801 [2019-08-22 22:02:30,744 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf9bcbe6/35de022df86a450d9a89742486904ca3 [2019-08-22 22:02:30,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 22:02:30,754 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 22:02:30,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 22:02:30,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 22:02:30,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 22:02:30,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:02:30" (1/1) ... [2019-08-22 22:02:30,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f246195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:30, skipping insertion in model container [2019-08-22 22:02:30,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:02:30" (1/1) ... [2019-08-22 22:02:30,770 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 22:02:30,788 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 22:02:31,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:02:31,013 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 22:02:31,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 22:02:31,049 INFO L192 MainTranslator]: Completed translation [2019-08-22 22:02:31,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:31 WrapperNode [2019-08-22 22:02:31,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 22:02:31,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 22:02:31,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 22:02:31,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 22:02:31,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:31" (1/1) ... [2019-08-22 22:02:31,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:31" (1/1) ... [2019-08-22 22:02:31,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:31" (1/1) ... [2019-08-22 22:02:31,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:31" (1/1) ... [2019-08-22 22:02:31,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:31" (1/1) ... [2019-08-22 22:02:31,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:31" (1/1) ... [2019-08-22 22:02:31,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:31" (1/1) ... [2019-08-22 22:02:31,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 22:02:31,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 22:02:31,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 22:02:31,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 22:02:31,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:02:31" (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 22:02:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 22:02:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 22:02:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-22 22:02:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 22:02:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 22:02:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-22 22:02:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 22:02:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 22:02:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 22:02:31,413 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 22:02:31,413 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-22 22:02:31,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:02:31 BoogieIcfgContainer [2019-08-22 22:02:31,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 22:02:31,415 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 22:02:31,416 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 22:02:31,416 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 22:02:31,417 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:02:31" (1/1) ... [2019-08-22 22:02:31,428 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 22:02:31,430 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 22:02:31,435 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 22:02:31,442 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 22:02:31,443 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 22:02:31,488 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1