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/Problem18_label22.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:57:17,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:57:17,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:57:17,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:57:17,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:57:17,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:57:17,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:57:17,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:57:17,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:57:17,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:57:17,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:57:17,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:57:17,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:57:17,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:57:17,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:57:17,560 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:57:17,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:57:17,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:57:17,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:57:17,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:57:17,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:57:17,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:57:17,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:57:17,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:57:17,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:57:17,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:57:17,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:57:17,585 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:57:17,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:57:17,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:57:17,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:57:17,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:57:17,589 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:57:17,590 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:57:17,591 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:57:17,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:57:17,592 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:57:17,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:57:17,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:57:17,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:57:17,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:57:17,596 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 [2019-10-15 01:57:17,622 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:57:17,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:57:17,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:57:17,624 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:57:17,624 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:57:17,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:57:17,625 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:57:17,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:57:17,626 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:57:17,626 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:57:17,627 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:57:17,627 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:57:17,627 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:57:17,628 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:57:17,628 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:57:17,628 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:57:17,628 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:57:17,628 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:57:17,629 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:57:17,629 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:57:17,629 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:57:17,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:57:17,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:57:17,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:57:17,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:57:17,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:57:17,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:57:17,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:57:17,631 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 [2019-10-15 01:57:17,932 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:57:17,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:57:17,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:57:17,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:57:17,951 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:57:17,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label22.c [2019-10-15 01:57:18,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd6a27164/71d710a88be549949fe51818d65558a7/FLAG5eaa4e779 [2019-10-15 01:57:18,771 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:57:18,772 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label22.c [2019-10-15 01:57:18,798 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd6a27164/71d710a88be549949fe51818d65558a7/FLAG5eaa4e779 [2019-10-15 01:57:18,856 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd6a27164/71d710a88be549949fe51818d65558a7 [2019-10-15 01:57:18,867 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:57:18,869 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:57:18,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:57:18,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:57:18,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:57:18,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:57:18" (1/1) ... [2019-10-15 01:57:18,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed2b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:18, skipping insertion in model container [2019-10-15 01:57:18,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:57:18" (1/1) ... [2019-10-15 01:57:18,889 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:57:19,009 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:57:20,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:57:20,400 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:57:20,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:57:20,903 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:57:20,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:20 WrapperNode [2019-10-15 01:57:20,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:57:20,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:57:20,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:57:20,906 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:57:20,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:20" (1/1) ... [2019-10-15 01:57:20,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:20" (1/1) ... [2019-10-15 01:57:20,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:20" (1/1) ... [2019-10-15 01:57:20,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:20" (1/1) ... [2019-10-15 01:57:21,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:20" (1/1) ... [2019-10-15 01:57:21,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:20" (1/1) ... [2019-10-15 01:57:21,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:20" (1/1) ... [2019-10-15 01:57:21,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:57:21,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:57:21,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:57:21,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:57:21,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:57:20" (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 [2019-10-15 01:57:21,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:57:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:57:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-15 01:57:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-15 01:57:21,270 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-15 01:57:21,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:57:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-15 01:57:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-15 01:57:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-15 01:57:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:57:21,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:57:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:57:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:57:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:57:21,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start