/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/Problem14_label23.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 05:26:49,671 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 05:26:49,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 05:26:49,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 05:26:49,686 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 05:26:49,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 05:26:49,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 05:26:49,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 05:26:49,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 05:26:49,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 05:26:49,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 05:26:49,695 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 05:26:49,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 05:26:49,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 05:26:49,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 05:26:49,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 05:26:49,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 05:26:49,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 05:26:49,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 05:26:49,703 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 05:26:49,705 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 05:26:49,706 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 05:26:49,707 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 05:26:49,708 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 05:26:49,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 05:26:49,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 05:26:49,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 05:26:49,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 05:26:49,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 05:26:49,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 05:26:49,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 05:26:49,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 05:26:49,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 05:26:49,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 05:26:49,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 05:26:49,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 05:26:49,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 05:26:49,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 05:26:49,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 05:26:49,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 05:26:49,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 05:26:49,719 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 05:26:49,735 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 05:26:49,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 05:26:49,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 05:26:49,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 05:26:49,739 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 05:26:49,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 05:26:49,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 05:26:49,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 05:26:49,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 05:26:49,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 05:26:49,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 05:26:49,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 05:26:49,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 05:26:49,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 05:26:49,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 05:26:49,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 05:26:49,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 05:26:49,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 05:26:49,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 05:26:49,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 05:26:49,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 05:26:49,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 05:26:49,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 05:26:49,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 05:26:49,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 05:26:49,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 05:26:49,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 05:26:49,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 05:26:49,745 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 05:26:50,044 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 05:26:50,061 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 05:26:50,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 05:26:50,065 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 05:26:50,066 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 05:26:50,067 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2019-11-07 05:26:50,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b35a3ef/6af019f6bcc047a49cb20954be31fddc/FLAG7e1607cfb [2019-11-07 05:26:50,697 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 05:26:50,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label23.c [2019-11-07 05:26:50,712 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b35a3ef/6af019f6bcc047a49cb20954be31fddc/FLAG7e1607cfb [2019-11-07 05:26:50,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b35a3ef/6af019f6bcc047a49cb20954be31fddc [2019-11-07 05:26:50,972 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 05:26:50,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 05:26:50,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 05:26:50,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 05:26:50,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 05:26:50,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:26:50" (1/1) ... [2019-11-07 05:26:50,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3002c0da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:50, skipping insertion in model container [2019-11-07 05:26:50,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 05:26:50" (1/1) ... [2019-11-07 05:26:50,989 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 05:26:51,044 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 05:26:51,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:26:51,622 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 05:26:51,742 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 05:26:51,758 INFO L192 MainTranslator]: Completed translation [2019-11-07 05:26:51,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:51 WrapperNode [2019-11-07 05:26:51,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 05:26:51,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 05:26:51,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 05:26:51,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 05:26:51,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:51" (1/1) ... [2019-11-07 05:26:51,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:51" (1/1) ... [2019-11-07 05:26:51,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:51" (1/1) ... [2019-11-07 05:26:51,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:51" (1/1) ... [2019-11-07 05:26:51,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:51" (1/1) ... [2019-11-07 05:26:51,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:51" (1/1) ... [2019-11-07 05:26:51,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:51" (1/1) ... [2019-11-07 05:26:51,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 05:26:51,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 05:26:51,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 05:26:51,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 05:26:51,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 05:26:51" (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 05:26:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 05:26:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 05:26:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-11-07 05:26:51,934 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 05:26:51,934 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-11-07 05:26:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 05:26:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 05:26:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 05:26:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 05:26:51,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 05:26:51,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 05:26:53,346 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 05:26:53,346 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-07 05:26:53,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:26:53 BoogieIcfgContainer [2019-11-07 05:26:53,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 05:26:53,348 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 05:26:53,348 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 05:26:53,349 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 05:26:53,349 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 05:26:53" (1/1) ... [2019-11-07 05:26:53,398 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 05:27:25,396 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation.