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/Problem12_label15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 13:03:33,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 13:03:33,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 13:03:33,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 13:03:33,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 13:03:33,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 13:03:33,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 13:03:33,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 13:03:33,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 13:03:33,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 13:03:33,183 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 13:03:33,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 13:03:33,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 13:03:33,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 13:03:33,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 13:03:33,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 13:03:33,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 13:03:33,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 13:03:33,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 13:03:33,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 13:03:33,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 13:03:33,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 13:03:33,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 13:03:33,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 13:03:33,201 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 13:03:33,201 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 13:03:33,202 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 13:03:33,202 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 13:03:33,203 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 13:03:33,204 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 13:03:33,204 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 13:03:33,205 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 13:03:33,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 13:03:33,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 13:03:33,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 13:03:33,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 13:03:33,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 13:03:33,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 13:03:33,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 13:03:33,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 13:03:33,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 13:03:33,212 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 13:03:33,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 13:03:33,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 13:03:33,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 13:03:33,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 13:03:33,230 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 13:03:33,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 13:03:33,231 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 13:03:33,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 13:03:33,231 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 13:03:33,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 13:03:33,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 13:03:33,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 13:03:33,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 13:03:33,233 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 13:03:33,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 13:03:33,233 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 13:03:33,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 13:03:33,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 13:03:33,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 13:03:33,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 13:03:33,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 13:03:33,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 13:03:33,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 13:03:33,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 13:03:33,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 13:03:33,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 13:03:33,237 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 13:03:33,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 13:03:33,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 13:03:33,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 13:03:33,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 13:03:33,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 13:03:33,284 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 13:03:33,284 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 13:03:33,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label15.c [2019-08-14 13:03:33,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de0f330f0/6ab7d2fbb0a34cd68119b40033eb030f/FLAG3f9e67c42 [2019-08-14 13:03:34,066 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 13:03:34,067 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label15.c [2019-08-14 13:03:34,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de0f330f0/6ab7d2fbb0a34cd68119b40033eb030f/FLAG3f9e67c42 [2019-08-14 13:03:34,196 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de0f330f0/6ab7d2fbb0a34cd68119b40033eb030f [2019-08-14 13:03:34,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 13:03:34,208 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 13:03:34,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 13:03:34,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 13:03:34,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 13:03:34,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:03:34" (1/1) ... [2019-08-14 13:03:34,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eeaba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:34, skipping insertion in model container [2019-08-14 13:03:34,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 01:03:34" (1/1) ... [2019-08-14 13:03:34,228 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 13:03:34,392 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 13:03:35,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:03:35,966 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 13:03:36,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 13:03:36,714 INFO L192 MainTranslator]: Completed translation [2019-08-14 13:03:36,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36 WrapperNode [2019-08-14 13:03:36,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 13:03:36,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 13:03:36,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 13:03:36,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 13:03:36,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36" (1/1) ... [2019-08-14 13:03:36,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36" (1/1) ... [2019-08-14 13:03:36,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36" (1/1) ... [2019-08-14 13:03:36,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36" (1/1) ... [2019-08-14 13:03:36,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36" (1/1) ... [2019-08-14 13:03:36,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36" (1/1) ... [2019-08-14 13:03:36,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36" (1/1) ... [2019-08-14 13:03:37,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 13:03:37,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 13:03:37,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 13:03:37,006 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 13:03:37,008 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 01:03:36" (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 13:03:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 13:03:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 13:03:37,098 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 13:03:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 13:03:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 13:03:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 13:03:37,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 13:03:37,099 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 13:03:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 13:03:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 13:03:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 13:03:37,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 13:03:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 13:03:37,101 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 13:03:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 13:03:37,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 13:03:37,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 13:03:42,661 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 13:03:42,662 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 13:03:42,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:03:42 BoogieIcfgContainer [2019-08-14 13:03:42,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 13:03:42,668 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 13:03:42,668 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 13:03:42,668 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 13:03:42,671 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 01:03:42" (1/1) ... [2019-08-14 13:04:43,665 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:04:52,597 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:05:04,071 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:07:33,245 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:07:40,610 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:07:52,006 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:08:45,301 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 13:14:05,516 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:14:17,989 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:14:21,812 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:16:51,099 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:17:03,560 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:17:07,166 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:17:57,251 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...