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_label20.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 14:15:58,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 14:15:58,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 14:15:58,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 14:15:58,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 14:15:58,147 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 14:15:58,149 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 14:15:58,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 14:15:58,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 14:15:58,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 14:15:58,168 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 14:15:58,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 14:15:58,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 14:15:58,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 14:15:58,174 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 14:15:58,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 14:15:58,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 14:15:58,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 14:15:58,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 14:15:58,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 14:15:58,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 14:15:58,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 14:15:58,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 14:15:58,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 14:15:58,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 14:15:58,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 14:15:58,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 14:15:58,200 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 14:15:58,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 14:15:58,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 14:15:58,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 14:15:58,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 14:15:58,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 14:15:58,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 14:15:58,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 14:15:58,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 14:15:58,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 14:15:58,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 14:15:58,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 14:15:58,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 14:15:58,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 14:15:58,212 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 [2019-08-14 14:15:58,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 14:15:58,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 14:15:58,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 14:15:58,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 14:15:58,248 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 14:15:58,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 14:15:58,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 14:15:58,248 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 14:15:58,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 14:15:58,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 14:15:58,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 14:15:58,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 14:15:58,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 14:15:58,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 14:15:58,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 14:15:58,251 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 14:15:58,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 14:15:58,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 14:15:58,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 14:15:58,252 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 14:15:58,252 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 14:15:58,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 14:15:58,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 14:15:58,253 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 14:15:58,253 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 14:15:58,253 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 14:15:58,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 14:15:58,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 14:15:58,254 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 14:15:58,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 14:15:58,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 14:15:58,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 14:15:58,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 14:15:58,325 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 14:15:58,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label20.c [2019-08-14 14:15:58,384 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd570f068/f41073c74d8c44928cfcedf75164bb3a/FLAG978c5d88e [2019-08-14 14:15:59,187 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 14:15:59,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label20.c [2019-08-14 14:15:59,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd570f068/f41073c74d8c44928cfcedf75164bb3a/FLAG978c5d88e [2019-08-14 14:15:59,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd570f068/f41073c74d8c44928cfcedf75164bb3a [2019-08-14 14:15:59,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 14:15:59,731 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 14:15:59,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 14:15:59,733 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 14:15:59,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 14:15:59,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:59" (1/1) ... [2019-08-14 14:15:59,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a748f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:15:59, skipping insertion in model container [2019-08-14 14:15:59,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 02:15:59" (1/1) ... [2019-08-14 14:15:59,746 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 14:15:59,900 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 14:16:01,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:16:01,574 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 14:16:02,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 14:16:02,362 INFO L192 MainTranslator]: Completed translation [2019-08-14 14:16:02,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:02 WrapperNode [2019-08-14 14:16:02,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 14:16:02,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 14:16:02,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 14:16:02,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 14:16:02,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:02" (1/1) ... [2019-08-14 14:16:02,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:02" (1/1) ... [2019-08-14 14:16:02,445 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:02" (1/1) ... [2019-08-14 14:16:02,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:02" (1/1) ... [2019-08-14 14:16:02,578 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:02" (1/1) ... [2019-08-14 14:16:02,628 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:02" (1/1) ... [2019-08-14 14:16:02,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:02" (1/1) ... [2019-08-14 14:16:02,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 14:16:02,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 14:16:02,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 14:16:02,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 14:16:02,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 02:16:02" (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 [2019-08-14 14:16:02,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 14:16:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 14:16:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 14:16:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 14:16:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 14:16:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 14:16:02,759 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 14:16:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 14:16:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 14:16:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 14:16:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 14:16:02,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 14:16:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 14:16:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 14:16:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 14:16:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 14:16:02,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 14:16:09,359 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 14:16:09,363 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 14:16:09,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:16:09 BoogieIcfgContainer [2019-08-14 14:16:09,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 14:16:09,368 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 14:16:09,369 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 14:16:09,369 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 14:16:09,370 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 02:16:09" (1/1) ... [2019-08-14 14:16:20,930 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-14 14:18:39,015 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 14:18:53,822 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 14:19:01,409 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-14 14:21:57,192 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 14:22:11,472 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 14:22:16,766 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-14 14:23:15,204 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...