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_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:50:38,722 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:50:38,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:50:38,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:50:38,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:50:38,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:50:38,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:50:38,758 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:50:38,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:50:38,766 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:50:38,767 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:50:38,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:50:38,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:50:38,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:50:38,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:50:38,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:50:38,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:50:38,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:50:38,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:50:38,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:50:38,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:50:38,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:50:38,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:50:38,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:50:38,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:50:38,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:50:38,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:50:38,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:50:38,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:50:38,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:50:38,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:50:38,802 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:50:38,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:50:38,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:50:38,805 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:50:38,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:50:38,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:50:38,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:50:38,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:50:38,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:50:38,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:50:38,809 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 [2019-10-13 21:50:38,842 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:50:38,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:50:38,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:50:38,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:50:38,848 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:50:38,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:50:38,849 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:50:38,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:50:38,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:50:38,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:50:38,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:50:38,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:50:38,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:50:38,850 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:50:38,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:50:38,851 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:50:38,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:50:38,851 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:50:38,851 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:50:38,851 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:50:38,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:50:38,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:50:38,852 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:50:38,852 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:50:38,852 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:50:38,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:50:38,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:50:38,853 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:50:38,853 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 [2019-10-13 21:50:39,140 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:50:39,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:50:39,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:50:39,158 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:50:39,158 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:50:39,159 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2019-10-13 21:50:39,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104576323/2b797f97de1841f6aca02d1f7a606fee/FLAG1bd6a0bd9 [2019-10-13 21:50:39,768 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:50:39,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label36.c [2019-10-13 21:50:39,786 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104576323/2b797f97de1841f6aca02d1f7a606fee/FLAG1bd6a0bd9 [2019-10-13 21:50:40,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/104576323/2b797f97de1841f6aca02d1f7a606fee [2019-10-13 21:50:40,070 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:50:40,072 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:50:40,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:50:40,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:50:40,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:50:40,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:50:40" (1/1) ... [2019-10-13 21:50:40,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ad8be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40, skipping insertion in model container [2019-10-13 21:50:40,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:50:40" (1/1) ... [2019-10-13 21:50:40,093 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:50:40,145 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:50:40,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:50:40,755 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:50:40,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:50:40,885 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:50:40,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40 WrapperNode [2019-10-13 21:50:40,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:50:40,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:50:40,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:50:40,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:50:40,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40" (1/1) ... [2019-10-13 21:50:40,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40" (1/1) ... [2019-10-13 21:50:40,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40" (1/1) ... [2019-10-13 21:50:40,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40" (1/1) ... [2019-10-13 21:50:41,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40" (1/1) ... [2019-10-13 21:50:41,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40" (1/1) ... [2019-10-13 21:50:41,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40" (1/1) ... [2019-10-13 21:50:41,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:50:41,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:50:41,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:50:41,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:50:41,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:50:40" (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 [2019-10-13 21:50:41,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:50:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:50:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-13 21:50:41,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:50:41,127 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-13 21:50:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:50:41,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:50:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:50:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:50:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:50:41,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start