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_label04.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 12:49:08,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 12:49:08,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 12:49:08,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 12:49:08,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 12:49:08,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 12:49:08,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 12:49:08,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 12:49:08,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 12:49:08,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 12:49:08,144 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 12:49:08,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 12:49:08,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 12:49:08,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 12:49:08,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 12:49:08,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 12:49:08,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 12:49:08,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 12:49:08,153 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 12:49:08,155 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 12:49:08,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 12:49:08,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 12:49:08,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 12:49:08,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 12:49:08,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 12:49:08,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 12:49:08,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 12:49:08,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 12:49:08,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 12:49:08,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 12:49:08,165 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 12:49:08,166 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 12:49:08,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 12:49:08,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 12:49:08,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 12:49:08,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 12:49:08,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 12:49:08,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 12:49:08,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 12:49:08,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 12:49:08,171 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 12:49:08,172 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 12:49:08,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 12:49:08,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 12:49:08,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 12:49:08,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 12:49:08,189 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 12:49:08,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 12:49:08,189 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 12:49:08,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 12:49:08,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 12:49:08,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 12:49:08,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 12:49:08,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 12:49:08,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 12:49:08,190 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 12:49:08,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 12:49:08,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 12:49:08,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 12:49:08,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 12:49:08,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 12:49:08,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 12:49:08,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 12:49:08,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 12:49:08,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 12:49:08,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 12:49:08,192 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 12:49:08,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 12:49:08,193 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 12:49:08,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 12:49:08,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 12:49:08,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 12:49:08,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 12:49:08,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 12:49:08,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 12:49:08,244 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 12:49:08,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label04.c [2019-08-14 12:49:08,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d938e0f4/c1257167e75c43e1af9313993434afc7/FLAG7d3d24c30 [2019-08-14 12:49:09,166 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 12:49:09,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label04.c [2019-08-14 12:49:09,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d938e0f4/c1257167e75c43e1af9313993434afc7/FLAG7d3d24c30 [2019-08-14 12:49:09,711 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d938e0f4/c1257167e75c43e1af9313993434afc7 [2019-08-14 12:49:09,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 12:49:09,724 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 12:49:09,725 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 12:49:09,725 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 12:49:09,728 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 12:49:09,729 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:49:09" (1/1) ... [2019-08-14 12:49:09,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b652581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:09, skipping insertion in model container [2019-08-14 12:49:09,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:49:09" (1/1) ... [2019-08-14 12:49:09,740 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 12:49:09,903 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 12:49:11,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 12:49:11,391 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 12:49:12,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 12:49:12,113 INFO L192 MainTranslator]: Completed translation [2019-08-14 12:49:12,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:12 WrapperNode [2019-08-14 12:49:12,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 12:49:12,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 12:49:12,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 12:49:12,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 12:49:12,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:12" (1/1) ... [2019-08-14 12:49:12,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:12" (1/1) ... [2019-08-14 12:49:12,198 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:12" (1/1) ... [2019-08-14 12:49:12,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:12" (1/1) ... [2019-08-14 12:49:12,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:12" (1/1) ... [2019-08-14 12:49:12,341 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:12" (1/1) ... [2019-08-14 12:49:12,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:12" (1/1) ... [2019-08-14 12:49:12,395 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 12:49:12,396 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 12:49:12,396 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 12:49:12,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 12:49:12,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:12" (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 12:49:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 12:49:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 12:49:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 12:49:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 12:49:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 12:49:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 12:49:12,480 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 12:49:12,480 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 12:49:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 12:49:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 12:49:12,481 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 12:49:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 12:49:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 12:49:12,482 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 12:49:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 12:49:12,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 12:49:12,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 12:49:17,379 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 12:49:17,380 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 12:49:17,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:49:17 BoogieIcfgContainer [2019-08-14 12:49:17,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 12:49:17,383 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 12:49:17,383 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 12:49:17,383 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 12:49:17,385 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:49:17" (1/1) ... [2019-08-14 12:50:19,348 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 12:50:28,577 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 12:50:40,815 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 12:53:01,674 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 12:53:08,188 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 12:53:18,535 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 12:54:06,347 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 12:59:04,976 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 12:59:17,658 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 12:59:21,698 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:01:44,204 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:01:55,964 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:01:59,549 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 13:02:44,106 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 91854 conjuctions. This might take some time...