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_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 12:49:06,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 12:49:06,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 12:49:06,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 12:49:06,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 12:49:06,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 12:49:06,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 12:49:06,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 12:49:06,646 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 12:49:06,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 12:49:06,647 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 12:49:06,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 12:49:06,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 12:49:06,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 12:49:06,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 12:49:06,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 12:49:06,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 12:49:06,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 12:49:06,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 12:49:06,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 12:49:06,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 12:49:06,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 12:49:06,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 12:49:06,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 12:49:06,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 12:49:06,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 12:49:06,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 12:49:06,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 12:49:06,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 12:49:06,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 12:49:06,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 12:49:06,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 12:49:06,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 12:49:06,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 12:49:06,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 12:49:06,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 12:49:06,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 12:49:06,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 12:49:06,674 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 12:49:06,675 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 12:49:06,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 12:49:06,676 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 12:49:06,691 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 12:49:06,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 12:49:06,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 12:49:06,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 12:49:06,693 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 12:49:06,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 12:49:06,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 12:49:06,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 12:49:06,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 12:49:06,695 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 12:49:06,695 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 12:49:06,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 12:49:06,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 12:49:06,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 12:49:06,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 12:49:06,696 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 12:49:06,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 12:49:06,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 12:49:06,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 12:49:06,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 12:49:06,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 12:49:06,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 12:49:06,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 12:49:06,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 12:49:06,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 12:49:06,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 12:49:06,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 12:49:06,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 12:49:06,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 12:49:06,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 12:49:06,742 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 12:49:06,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 12:49:06,747 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 12:49:06,747 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 12:49:06,748 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem12_label02.c [2019-08-14 12:49:06,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f91f517/815368ae6b59409d818f94f20244912c/FLAG6d22993f9 [2019-08-14 12:49:07,655 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 12:49:07,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem12_label02.c [2019-08-14 12:49:07,696 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f91f517/815368ae6b59409d818f94f20244912c/FLAG6d22993f9 [2019-08-14 12:49:08,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6f91f517/815368ae6b59409d818f94f20244912c [2019-08-14 12:49:08,177 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 12:49:08,178 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 12:49:08,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 12:49:08,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 12:49:08,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 12:49:08,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:49:08" (1/1) ... [2019-08-14 12:49:08,193 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 12:49:08, skipping insertion in model container [2019-08-14 12:49:08,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 12:49:08" (1/1) ... [2019-08-14 12:49:08,201 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 12:49:08,364 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 12:49:09,811 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 12:49:09,816 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 12:49:10,549 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 12:49:10,585 INFO L192 MainTranslator]: Completed translation [2019-08-14 12:49:10,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:10 WrapperNode [2019-08-14 12:49:10,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 12:49:10,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 12:49:10,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 12:49:10,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 12:49:10,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:10" (1/1) ... [2019-08-14 12:49:10,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:10" (1/1) ... [2019-08-14 12:49:10,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:10" (1/1) ... [2019-08-14 12:49:10,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:10" (1/1) ... [2019-08-14 12:49:10,773 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:10" (1/1) ... [2019-08-14 12:49:10,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:10" (1/1) ... [2019-08-14 12:49:10,841 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:10" (1/1) ... [2019-08-14 12:49:10,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 12:49:10,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 12:49:10,875 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 12:49:10,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 12:49:10,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 12:49:10" (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 12:49:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 12:49:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 12:49:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 12:49:10,952 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 12:49:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 12:49:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 12:49:10,953 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 12:49:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 12:49:10,953 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 12:49:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 12:49:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 12:49:10,954 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 12:49:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 12:49:10,955 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 12:49:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 12:49:10,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 12:49:10,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 12:49:16,692 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 12:49:16,692 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 12:49:16,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:49:16 BoogieIcfgContainer [2019-08-14 12:49:16,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 12:49:16,698 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 12:49:16,698 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 12:49:16,701 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 12:49:16,702 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 12:49:16" (1/1) ... [2019-08-14 12:50:18,854 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 12:50:25,626 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 12:50:41,465 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 12:53:21,645 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 12:53:30,494 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 12:53:44,623 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 18225 conjuctions. This might take some time... [2019-08-14 12:54:35,210 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 45927 conjuctions. This might take some time... [2019-08-14 12:59:53,978 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:00:07,706 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time... [2019-08-14 13:00:11,777 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 36450 conjuctions. This might take some time... [2019-08-14 13:03:14,767 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 12150 conjuctions. This might take some time... [2019-08-14 13:03:29,208 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6075 conjuctions. This might take some time...