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_label16.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 19:50:12,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 19:50:12,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 19:50:12,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 19:50:12,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 19:50:12,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 19:50:12,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 19:50:12,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 19:50:12,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 19:50:12,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 19:50:12,849 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 19:50:12,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 19:50:12,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 19:50:12,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 19:50:12,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 19:50:12,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 19:50:12,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 19:50:12,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 19:50:12,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 19:50:12,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 19:50:12,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 19:50:12,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 19:50:12,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 19:50:12,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 19:50:12,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 19:50:12,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 19:50:12,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 19:50:12,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 19:50:12,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 19:50:12,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 19:50:12,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 19:50:12,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 19:50:12,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 19:50:12,871 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 19:50:12,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 19:50:12,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 19:50:12,873 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 19:50:12,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 19:50:12,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 19:50:12,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 19:50:12,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 19:50:12,876 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 19:50:12,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 19:50:12,891 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 19:50:12,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 19:50:12,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 19:50:12,893 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 19:50:12,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 19:50:12,893 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 19:50:12,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 19:50:12,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 19:50:12,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 19:50:12,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 19:50:12,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 19:50:12,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 19:50:12,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 19:50:12,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 19:50:12,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 19:50:12,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 19:50:12,895 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 19:50:12,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 19:50:12,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 19:50:12,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 19:50:12,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 19:50:12,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 19:50:12,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 19:50:12,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 19:50:12,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 19:50:12,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 19:50:12,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 19:50:12,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 19:50:12,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 19:50:12,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 19:50:12,940 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 19:50:12,941 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 19:50:12,941 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 19:50:12,942 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem13_label16.c [2019-08-09 19:50:13,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db2e6ba13/8b34e48b662f4ffc8cf4ac5c58b2a7e0/FLAGd892183c4 [2019-08-09 19:50:13,810 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 19:50:13,813 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem13_label16.c [2019-08-09 19:50:13,848 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db2e6ba13/8b34e48b662f4ffc8cf4ac5c58b2a7e0/FLAGd892183c4 [2019-08-09 19:50:13,903 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db2e6ba13/8b34e48b662f4ffc8cf4ac5c58b2a7e0 [2019-08-09 19:50:13,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 19:50:13,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 19:50:13,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 19:50:13,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 19:50:13,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 19:50:13,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 07:50:13" (1/1) ... [2019-08-09 19:50:13,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@461827c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:13, skipping insertion in model container [2019-08-09 19:50:13,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 07:50:13" (1/1) ... [2019-08-09 19:50:13,937 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 19:50:14,112 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 19:50:15,706 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 19:50:15,712 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 19:50:16,496 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 19:50:16,529 INFO L192 MainTranslator]: Completed translation [2019-08-09 19:50:16,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:16 WrapperNode [2019-08-09 19:50:16,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 19:50:16,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 19:50:16,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 19:50:16,532 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 19:50:16,545 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:16" (1/1) ... [2019-08-09 19:50:16,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:16" (1/1) ... [2019-08-09 19:50:16,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:16" (1/1) ... [2019-08-09 19:50:16,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:16" (1/1) ... [2019-08-09 19:50:16,782 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:16" (1/1) ... [2019-08-09 19:50:16,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:16" (1/1) ... [2019-08-09 19:50:16,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:16" (1/1) ... [2019-08-09 19:50:16,955 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 19:50:16,955 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 19:50:16,956 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 19:50:16,956 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 19:50:16,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 07:50:16" (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 19:50:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 19:50:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 19:50:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 19:50:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 19:50:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 19:50:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-09 19:50:17,023 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 19:50:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 19:50:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 19:50:17,023 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 19:50:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-09 19:50:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 19:50:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 19:50:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 19:50:17,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 19:50:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 19:50:17,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 19:50:23,348 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 19:50:23,351 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 19:50:23,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 07:50:23 BoogieIcfgContainer [2019-08-09 19:50:23,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 19:50:23,354 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 19:50:23,354 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 19:50:23,358 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 19:50:23,359 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 07:50:23" (1/1) ... [2019-08-09 19:50:34,014 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 19:52:41,228 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 19:52:56,906 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 19:53:01,756 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-09 19:55:17,043 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 19:55:30,485 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 19:55:36,270 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 19:56:15,840 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...