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/eca-rers2012/Problem17_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:09:55,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:09:55,680 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:09:55,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:09:55,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:09:55,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:09:55,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:09:55,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:09:55,698 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:09:55,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:09:55,700 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:09:55,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:09:55,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:09:55,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:09:55,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:09:55,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:09:55,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:09:55,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:09:55,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:09:55,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:09:55,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:09:55,713 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:09:55,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:09:55,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:09:55,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 23:09:55,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 23:09:55,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 23:09:55,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 23:09:55,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 23:09:55,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 23:09:55,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:09:55,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:09:55,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:09:55,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:09:55,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:09:55,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:09:55,730 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:09:55,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:09:55,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:09:55,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:09:55,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:09:55,737 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 [2019-08-09 23:09:55,756 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:09:55,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:09:55,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:09:55,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:09:55,758 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:09:55,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:09:55,758 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:09:55,759 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:09:55,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:09:55,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:09:55,759 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:09:55,759 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:09:55,760 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:09:55,760 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:09:55,760 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:09:55,760 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:09:55,761 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:09:55,761 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:09:55,761 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:09:55,761 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:09:55,761 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:09:55,762 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:09:55,762 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:09:55,762 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:09:55,762 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:09:55,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:09:55,763 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:09:55,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:09:55,763 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:09:55,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:09:55,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:09:55,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:09:55,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:09:55,814 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:09:55,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label21.c [2019-08-09 23:09:55,890 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485974f0f/78c0f05651cf4414ad869b2afd5a6114/FLAGf04903485 [2019-08-09 23:09:56,571 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:09:56,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label21.c [2019-08-09 23:09:56,593 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485974f0f/78c0f05651cf4414ad869b2afd5a6114/FLAGf04903485 [2019-08-09 23:09:56,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/485974f0f/78c0f05651cf4414ad869b2afd5a6114 [2019-08-09 23:09:56,724 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:09:56,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:09:56,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:09:56,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:09:56,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:09:56,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:09:56" (1/1) ... [2019-08-09 23:09:56,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2fa216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:56, skipping insertion in model container [2019-08-09 23:09:56,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:09:56" (1/1) ... [2019-08-09 23:09:56,742 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:09:56,855 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:09:57,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:09:57,966 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:09:58,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:09:58,431 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:09:58,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58 WrapperNode [2019-08-09 23:09:58,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:09:58,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:09:58,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:09:58,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:09:58,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (1/1) ... [2019-08-09 23:09:58,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:09:58,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:09:58,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:09:58,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:09:58,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:09:58" (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 [2019-08-09 23:09:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:09:58,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:09:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:09:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:09:58,727 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:09:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:09:58,727 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:09:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:09:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:09:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:09:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:09:58,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:09:58,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:10:03,078 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:10:03,079 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:10:03,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:10:03 BoogieIcfgContainer [2019-08-09 23:10:03,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:10:03,084 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:10:03,085 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:10:03,085 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:10:03,086 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:10:03" (1/1) ... [2019-08-09 23:10:27,846 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 142884 conjuctions. This might take some time...