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/Problem13_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:33:35,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:33:35,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:33:35,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:33:35,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:33:35,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:33:35,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:33:35,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:33:35,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:33:35,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:33:35,176 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:33:35,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:33:35,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:33:35,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:33:35,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:33:35,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:33:35,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:33:35,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:33:35,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:33:35,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:33:35,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:33:35,191 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:33:35,192 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:33:35,193 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:33:35,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 20:33:35,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 20:33:35,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 20:33:35,197 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 20:33:35,197 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 20:33:35,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 20:33:35,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:33:35,200 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:33:35,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:33:35,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:33:35,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:33:35,202 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:33:35,203 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:33:35,203 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:33:35,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:33:35,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:33:35,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:33:35,206 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 20:33:35,223 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:33:35,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:33:35,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:33:35,227 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:33:35,227 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:33:35,227 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:33:35,227 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:33:35,228 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:33:35,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:33:35,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:33:35,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:33:35,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:33:35,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:33:35,229 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:33:35,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:33:35,230 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:33:35,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:33:35,231 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:33:35,231 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:33:35,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:33:35,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:33:35,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:33:35,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:33:35,232 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:33:35,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:33:35,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:33:35,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:33:35,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:33:35,233 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:33:35,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:33:35,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:33:35,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:33:35,287 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:33:35,288 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:33:35,288 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label51.c [2019-08-09 20:33:35,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d0da921b/5a6cd5b9d1dd4824845c4a12dbcf45d6/FLAG6b7b9a1e5 [2019-08-09 20:33:36,238 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:33:36,240 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label51.c [2019-08-09 20:33:36,296 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d0da921b/5a6cd5b9d1dd4824845c4a12dbcf45d6/FLAG6b7b9a1e5 [2019-08-09 20:33:36,674 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d0da921b/5a6cd5b9d1dd4824845c4a12dbcf45d6 [2019-08-09 20:33:36,685 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:33:36,687 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:33:36,690 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:33:36,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:33:36,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:33:36,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:33:36" (1/1) ... [2019-08-09 20:33:36,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac5265 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:36, skipping insertion in model container [2019-08-09 20:33:36,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:33:36" (1/1) ... [2019-08-09 20:33:36,708 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:33:36,937 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:33:38,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:33:38,692 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:33:39,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:33:39,550 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:33:39,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:39 WrapperNode [2019-08-09 20:33:39,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:33:39,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:33:39,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:33:39,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:33:39,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:39" (1/1) ... [2019-08-09 20:33:39,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:39" (1/1) ... [2019-08-09 20:33:39,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:39" (1/1) ... [2019-08-09 20:33:39,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:39" (1/1) ... [2019-08-09 20:33:39,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:39" (1/1) ... [2019-08-09 20:33:39,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:39" (1/1) ... [2019-08-09 20:33:39,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:39" (1/1) ... [2019-08-09 20:33:39,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:33:39,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:33:39,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:33:39,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:33:39,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:33:39" (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 20:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:33:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 20:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 20:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 20:33:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:33:39,976 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 20:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 20:33:39,977 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 20:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:33:39,978 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:33:39,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:33:39,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:33:46,608 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:33:46,609 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:33:46,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:33:46 BoogieIcfgContainer [2019-08-09 20:33:46,617 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:33:46,617 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:33:46,618 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:33:46,618 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:33:46,619 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:33:46" (1/1) ... [2019-08-09 20:33:56,990 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 20:36:13,521 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 20:36:29,067 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 20:36:35,589 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-09 20:39:38,220 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 20:39:50,585 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 20:39:55,480 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 20:40:44,652 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...