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/Problem17_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:13:50,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:13:50,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:13:50,130 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:13:50,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:13:50,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:13:50,133 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:13:50,135 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:13:50,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:13:50,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:13:50,138 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:13:50,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:13:50,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:13:50,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:13:50,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:13:50,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:13:50,143 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:13:50,144 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:13:50,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:13:50,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:13:50,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:13:50,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:13:50,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:13:50,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:13:50,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 23:13:50,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 23:13:50,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 23:13:50,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 23:13:50,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 23:13:50,162 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 23:13:50,162 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:13:50,163 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:13:50,163 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:13:50,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:13:50,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:13:50,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:13:50,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:13:50,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:13:50,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:13:50,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:13:50,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:13:50,169 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 23:13:50,183 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:13:50,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:13:50,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:13:50,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:13:50,185 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:13:50,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:13:50,185 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:13:50,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:13:50,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:13:50,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:13:50,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:13:50,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:13:50,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:13:50,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:13:50,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:13:50,187 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:13:50,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:13:50,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:13:50,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:13:50,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:13:50,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:13:50,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:13:50,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:13:50,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:13:50,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:13:50,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:13:50,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:13:50,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:13:50,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:13:50,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:13:50,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:13:50,240 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:13:50,242 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:13:50,242 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:13:50,243 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label31.c [2019-08-09 23:13:50,302 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/134913b68/1728486e0bcd4b5e84baa8b7ca7f5a50/FLAG9c1fb40a2 [2019-08-09 23:13:51,026 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:13:51,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label31.c [2019-08-09 23:13:51,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/134913b68/1728486e0bcd4b5e84baa8b7ca7f5a50/FLAG9c1fb40a2 [2019-08-09 23:13:51,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/134913b68/1728486e0bcd4b5e84baa8b7ca7f5a50 [2019-08-09 23:13:51,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:13:51,159 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:13:51,160 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:13:51,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:13:51,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:13:51,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:13:51" (1/1) ... [2019-08-09 23:13:51,168 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a93b692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:51, skipping insertion in model container [2019-08-09 23:13:51,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:13:51" (1/1) ... [2019-08-09 23:13:51,176 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:13:51,273 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:13:52,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:13:52,645 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:13:53,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:13:53,056 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:13:53,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:53 WrapperNode [2019-08-09 23:13:53,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:13:53,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:13:53,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:13:53,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:13:53,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:53" (1/1) ... [2019-08-09 23:13:53,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:53" (1/1) ... [2019-08-09 23:13:53,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:53" (1/1) ... [2019-08-09 23:13:53,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:53" (1/1) ... [2019-08-09 23:13:53,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:53" (1/1) ... [2019-08-09 23:13:53,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:53" (1/1) ... [2019-08-09 23:13:53,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:53" (1/1) ... [2019-08-09 23:13:53,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:13:53,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:13:53,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:13:53,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:13:53,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:13:53" (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 23:13:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:13:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:13:53,426 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:13:53,427 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:13:53,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:13:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:13:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:13:53,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:13:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:13:53,429 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:13:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:13:53,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:13:53,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:13:57,855 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:13:57,856 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:13:57,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:13:57 BoogieIcfgContainer [2019-08-09 23:13:57,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:13:57,858 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:13:57,858 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:13:57,859 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:13:57,860 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:13:57" (1/1) ... [2019-08-09 23:14:08,546 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 8748 conjuctions. This might take some time... [2019-08-09 23:14:18,460 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 21870 conjuctions. This might take some time... [2019-08-09 23:16:04,752 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 24786 conjuctions. This might take some time... [2019-08-09 23:17:41,379 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 23:18:07,135 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 137781 conjuctions. This might take some time...