/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/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:04:54,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:04:54,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:04:54,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:04:54,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:04:54,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:04:54,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:04:54,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:04:54,749 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:04:54,750 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:04:54,754 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:04:54,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:04:54,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:04:54,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:04:54,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:04:54,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:04:54,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:04:54,759 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:04:54,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:04:54,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:04:54,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:04:54,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:04:54,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:04:54,766 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:04:54,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 05:04:54,771 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:04:54,772 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:04:54,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:04:54,773 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:04:54,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:04:54,774 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:04:54,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:04:54,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:04:54,775 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:04:54,776 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:04:54,777 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:04:54,781 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 05:04:54,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:04:54,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:04:54,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:04:54,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:04:54,797 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:04:54,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:04:54,797 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:04:54,797 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:04:54,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:04:54,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:04:54,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:04:54,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:04:54,798 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:04:54,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:04:54,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:04:54,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:04:54,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:04:54,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:04:54,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:04:54,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:04:54,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:04:54,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:04:54,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:04:54,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:04:54,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:04:54,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:04:54,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:04:54,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:04:54,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 05:04:55,074 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:04:55,094 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:04:55,096 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:04:55,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:04:55,098 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:04:55,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2019-11-07 05:04:55,163 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb0b3bc6/bda62e1bb3914e6ca215f7a986137d59/FLAG34cea8acf [2019-11-07 05:04:55,676 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:04:55,677 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label32.c [2019-11-07 05:04:55,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb0b3bc6/bda62e1bb3914e6ca215f7a986137d59/FLAG34cea8acf [2019-11-07 05:04:55,985 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cb0b3bc6/bda62e1bb3914e6ca215f7a986137d59 [2019-11-07 05:04:55,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:04:55,995 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:04:55,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:04:55,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:04:56,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:04:56,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:04:55" (1/1) ... [2019-11-07 05:04:56,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d6db87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56, skipping insertion in model container [2019-11-07 05:04:56,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:04:55" (1/1) ... [2019-11-07 05:04:56,012 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:04:56,063 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:04:56,537 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:04:56,546 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:04:56,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:04:56,756 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:04:56,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56 WrapperNode [2019-11-07 05:04:56,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:04:56,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:04:56,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:04:56,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:04:56,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56" (1/1) ... [2019-11-07 05:04:56,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56" (1/1) ... [2019-11-07 05:04:56,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56" (1/1) ... [2019-11-07 05:04:56,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56" (1/1) ... [2019-11-07 05:04:56,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56" (1/1) ... [2019-11-07 05:04:56,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56" (1/1) ... [2019-11-07 05:04:56,865 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56" (1/1) ... [2019-11-07 05:04:56,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:04:56,875 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:04:56,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:04:56,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:04:56,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:04:56" (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 05:04:56,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:04:56,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:04:56,951 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:04:56,951 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:04:56,952 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:04:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:04:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:04:56,953 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:04:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:04:56,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:04:56,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:04:58,262 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:04:58,262 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:04:58,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:04:58 BoogieIcfgContainer [2019-11-07 05:04:58,267 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:04:58,268 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:04:58,268 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:04:58,270 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:04:58,271 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:04:58" (1/1) ... [2019-11-07 05:04:58,344 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)