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/Problem11_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 17:53:48,681 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 17:53:48,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 17:53:48,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 17:53:48,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 17:53:48,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 17:53:48,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 17:53:48,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 17:53:48,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 17:53:48,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 17:53:48,719 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 17:53:48,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 17:53:48,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 17:53:48,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 17:53:48,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 17:53:48,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 17:53:48,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 17:53:48,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 17:53:48,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 17:53:48,734 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 17:53:48,736 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 17:53:48,740 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 17:53:48,740 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 17:53:48,741 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 17:53:48,745 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 17:53:48,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 17:53:48,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 17:53:48,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 17:53:48,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 17:53:48,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 17:53:48,748 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 17:53:48,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 17:53:48,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 17:53:48,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 17:53:48,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 17:53:48,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 17:53:48,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 17:53:48,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 17:53:48,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 17:53:48,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 17:53:48,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 17:53:48,754 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 17:53:48,768 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 17:53:48,768 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 17:53:48,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 17:53:48,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 17:53:48,769 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 17:53:48,770 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 17:53:48,770 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 17:53:48,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 17:53:48,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 17:53:48,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 17:53:48,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 17:53:48,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 17:53:48,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 17:53:48,771 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 17:53:48,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 17:53:48,772 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 17:53:48,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 17:53:48,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 17:53:48,772 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 17:53:48,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 17:53:48,773 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 17:53:48,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 17:53:48,773 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 17:53:48,773 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 17:53:48,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 17:53:48,774 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 17:53:48,774 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 17:53:48,774 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 17:53:48,774 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 17:53:48,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 17:53:48,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 17:53:48,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 17:53:48,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 17:53:48,817 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 17:53:48,818 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label22.c [2019-08-09 17:53:48,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7066bc268/70ea34e630e84d0e9f545d74aca287f9/FLAG55331edc6 [2019-08-09 17:53:49,472 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 17:53:49,473 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label22.c [2019-08-09 17:53:49,488 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7066bc268/70ea34e630e84d0e9f545d74aca287f9/FLAG55331edc6 [2019-08-09 17:53:49,697 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7066bc268/70ea34e630e84d0e9f545d74aca287f9 [2019-08-09 17:53:49,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 17:53:49,707 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 17:53:49,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 17:53:49,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 17:53:49,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 17:53:49,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:53:49" (1/1) ... [2019-08-09 17:53:49,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0d0d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:49, skipping insertion in model container [2019-08-09 17:53:49,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 05:53:49" (1/1) ... [2019-08-09 17:53:49,723 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 17:53:49,787 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 17:53:50,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:53:50,496 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 17:53:50,643 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 17:53:50,659 INFO L192 MainTranslator]: Completed translation [2019-08-09 17:53:50,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:50 WrapperNode [2019-08-09 17:53:50,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 17:53:50,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 17:53:50,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 17:53:50,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 17:53:50,675 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:50" (1/1) ... [2019-08-09 17:53:50,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:50" (1/1) ... [2019-08-09 17:53:50,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:50" (1/1) ... [2019-08-09 17:53:50,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:50" (1/1) ... [2019-08-09 17:53:50,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:50" (1/1) ... [2019-08-09 17:53:50,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:50" (1/1) ... [2019-08-09 17:53:50,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:50" (1/1) ... [2019-08-09 17:53:50,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 17:53:50,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 17:53:50,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 17:53:50,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 17:53:50,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 05:53:50" (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 17:53:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 17:53:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 17:53:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 17:53:50,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 17:53:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 17:53:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 17:53:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 17:53:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 17:53:50,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 17:53:50,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 17:53:50,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 17:53:52,562 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 17:53:52,562 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 17:53:52,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:53:52 BoogieIcfgContainer [2019-08-09 17:53:52,568 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 17:53:52,568 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 17:53:52,568 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 17:53:52,568 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 17:53:52,570 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 05:53:52" (1/1) ... [2019-08-09 17:54:02,707 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 17:54:20,616 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 17:55:01,868 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 531441 conjuctions. This might take some time...