/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem14_label09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:56:31,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:56:31,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:56:31,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:56:31,644 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:56:31,646 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:56:31,648 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:56:31,661 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:56:31,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:56:31,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:56:31,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:56:31,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:56:31,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:56:31,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:56:31,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:56:31,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:56:31,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:56:31,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:56:31,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:56:31,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:56:31,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:56:31,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:56:31,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:56:31,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:56:31,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 01:56:31,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:56:31,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:56:31,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:56:31,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:56:31,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:56:31,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:56:31,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:56:31,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:56:31,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:56:31,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:56:31,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:56:31,704 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 [2019-11-07 01:56:31,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:56:31,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:56:31,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:56:31,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:56:31,719 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:56:31,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:56:31,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:56:31,719 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:56:31,719 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:56:31,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:56:31,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:56:31,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:56:31,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:56:31,720 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:56:31,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:56:31,721 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:56:31,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:56:31,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:56:31,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:56:31,722 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:56:31,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:56:31,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:56:31,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:56:31,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:56:31,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:56:31,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:56:31,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:56:31,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:56:31,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 01:56:31,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:56:31,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:56:31,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:56:31,999 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:56:31,999 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:56:32,000 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label09.c [2019-11-07 01:56:32,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4bd2baf/d76c7ed6a4374f0b868980e30b1a1cfe/FLAG2c4813d58 [2019-11-07 01:56:32,615 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:56:32,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label09.c [2019-11-07 01:56:32,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4bd2baf/d76c7ed6a4374f0b868980e30b1a1cfe/FLAG2c4813d58 [2019-11-07 01:56:32,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd4bd2baf/d76c7ed6a4374f0b868980e30b1a1cfe [2019-11-07 01:56:32,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:56:32,900 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:56:32,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:56:32,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:56:32,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:56:32,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:56:32" (1/1) ... [2019-11-07 01:56:32,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e454c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:32, skipping insertion in model container [2019-11-07 01:56:32,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:56:32" (1/1) ... [2019-11-07 01:56:32,917 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:56:32,979 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:56:33,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:56:33,588 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:56:33,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:56:33,738 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:56:33,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:33 WrapperNode [2019-11-07 01:56:33,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:56:33,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:56:33,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:56:33,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:56:33,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:33" (1/1) ... [2019-11-07 01:56:33,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:33" (1/1) ... [2019-11-07 01:56:33,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:33" (1/1) ... [2019-11-07 01:56:33,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:33" (1/1) ... [2019-11-07 01:56:33,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:33" (1/1) ... [2019-11-07 01:56:33,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:33" (1/1) ... [2019-11-07 01:56:33,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:33" (1/1) ... [2019-11-07 01:56:33,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:56:33,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:56:33,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:56:33,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:56:33,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:56:33" (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 [2019-11-07 01:56:33,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:56:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:56:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 01:56:33,941 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:56:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 01:56:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:56:33,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:56:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:56:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:56:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:56:33,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start