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_label01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 19:35:37,844 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 19:35:37,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 19:35:37,857 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 19:35:37,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 19:35:37,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 19:35:37,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 19:35:37,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 19:35:37,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 19:35:37,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 19:35:37,865 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 19:35:37,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 19:35:37,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 19:35:37,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 19:35:37,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 19:35:37,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 19:35:37,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 19:35:37,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 19:35:37,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 19:35:37,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 19:35:37,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 19:35:37,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 19:35:37,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 19:35:37,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 19:35:37,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 19:35:37,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 19:35:37,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 19:35:37,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 19:35:37,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 19:35:37,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 19:35:37,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 19:35:37,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 19:35:37,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 19:35:37,888 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 19:35:37,889 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 19:35:37,889 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 19:35:37,890 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 19:35:37,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 19:35:37,890 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 19:35:37,891 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 19:35:37,891 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 19:35:37,892 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 19:35:37,907 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 19:35:37,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 19:35:37,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 19:35:37,908 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 19:35:37,909 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 19:35:37,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 19:35:37,909 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 19:35:37,909 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 19:35:37,909 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 19:35:37,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 19:35:37,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 19:35:37,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 19:35:37,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 19:35:37,910 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 19:35:37,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 19:35:37,911 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 19:35:37,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 19:35:37,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 19:35:37,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 19:35:37,911 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 19:35:37,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 19:35:37,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 19:35:37,912 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 19:35:37,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 19:35:37,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 19:35:37,913 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 19:35:37,913 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 19:35:37,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 19:35:37,913 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 19:35:37,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 19:35:37,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 19:35:37,958 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 19:35:37,959 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 19:35:37,959 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 19:35:37,960 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label01.c [2019-08-09 19:35:38,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fa77ed5/663c0c82a57d439fa96bc4c7950103d1/FLAG76d65ccc8 [2019-08-09 19:35:38,826 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 19:35:38,827 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label01.c [2019-08-09 19:35:38,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fa77ed5/663c0c82a57d439fa96bc4c7950103d1/FLAG76d65ccc8 [2019-08-09 19:35:38,944 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fa77ed5/663c0c82a57d439fa96bc4c7950103d1 [2019-08-09 19:35:38,956 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 19:35:38,958 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 19:35:38,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 19:35:38,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 19:35:38,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 19:35:38,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 07:35:38" (1/1) ... [2019-08-09 19:35:38,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350f7671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:38, skipping insertion in model container [2019-08-09 19:35:38,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 07:35:38" (1/1) ... [2019-08-09 19:35:38,977 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 19:35:39,154 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 19:35:40,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 19:35:40,803 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 19:35:41,621 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 19:35:41,663 INFO L192 MainTranslator]: Completed translation [2019-08-09 19:35:41,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:41 WrapperNode [2019-08-09 19:35:41,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 19:35:41,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 19:35:41,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 19:35:41,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 19:35:41,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:41" (1/1) ... [2019-08-09 19:35:41,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:41" (1/1) ... [2019-08-09 19:35:41,765 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:41" (1/1) ... [2019-08-09 19:35:41,766 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:41" (1/1) ... [2019-08-09 19:35:41,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:41" (1/1) ... [2019-08-09 19:35:41,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:41" (1/1) ... [2019-08-09 19:35:41,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:41" (1/1) ... [2019-08-09 19:35:42,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 19:35:42,040 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 19:35:42,040 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 19:35:42,040 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 19:35:42,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:35:41" (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 19:35:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 19:35:42,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 19:35:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 19:35:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 19:35:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 19:35:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 19:35:42,115 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 19:35:42,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 19:35:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 19:35:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 19:35:42,117 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 19:35:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 19:35:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 19:35:42,118 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 19:35:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 19:35:42,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 19:35:42,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 19:35:47,797 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 19:35:47,798 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 19:35:47,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 07:35:47 BoogieIcfgContainer [2019-08-09 19:35:47,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 19:35:47,802 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 19:35:47,802 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 19:35:47,803 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 19:35:47,804 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 07:35:47" (1/1) ... [2019-08-09 19:35:58,386 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 19:38:00,248 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 19:38:15,080 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 19:38:20,397 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-09 19:40:26,144 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 19:40:38,235 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 19:40:42,922 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 19:41:21,571 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...