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/Problem16_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 15:57:49,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 15:57:49,796 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 15:57:49,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 15:57:49,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 15:57:49,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 15:57:49,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 15:57:49,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 15:57:49,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 15:57:49,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 15:57:49,816 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 15:57:49,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 15:57:49,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 15:57:49,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 15:57:49,820 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 15:57:49,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 15:57:49,822 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 15:57:49,823 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 15:57:49,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 15:57:49,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 15:57:49,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 15:57:49,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 15:57:49,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 15:57:49,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 15:57:49,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 15:57:49,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 15:57:49,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 15:57:49,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 15:57:49,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 15:57:49,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 15:57:49,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 15:57:49,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 15:57:49,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 15:57:49,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 15:57:49,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 15:57:49,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 15:57:49,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 15:57:49,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 15:57:49,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 15:57:49,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 15:57:49,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 15:57:49,844 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 15:57:49,859 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 15:57:49,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 15:57:49,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 15:57:49,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 15:57:49,861 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 15:57:49,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 15:57:49,862 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 15:57:49,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 15:57:49,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 15:57:49,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 15:57:49,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 15:57:49,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 15:57:49,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 15:57:49,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 15:57:49,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 15:57:49,863 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 15:57:49,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 15:57:49,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 15:57:49,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 15:57:49,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 15:57:49,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 15:57:49,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 15:57:49,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 15:57:49,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 15:57:49,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 15:57:49,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 15:57:49,866 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 15:57:49,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 15:57:49,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 15:57:49,899 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 15:57:49,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 15:57:49,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 15:57:49,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 15:57:49,916 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 15:57:49,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem16_label06.c [2019-08-14 15:57:49,978 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c6fdce0/7389f5e4122e43b08905723f42e96b09/FLAG604effc30 [2019-08-14 15:57:50,683 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 15:57:50,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem16_label06.c [2019-08-14 15:57:50,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c6fdce0/7389f5e4122e43b08905723f42e96b09/FLAG604effc30 [2019-08-14 15:57:50,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8c6fdce0/7389f5e4122e43b08905723f42e96b09 [2019-08-14 15:57:50,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 15:57:50,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 15:57:50,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 15:57:50,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 15:57:50,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 15:57:50,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:57:50" (1/1) ... [2019-08-14 15:57:50,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59882ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:50, skipping insertion in model container [2019-08-14 15:57:50,837 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 03:57:50" (1/1) ... [2019-08-14 15:57:50,845 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 15:57:50,916 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 15:57:51,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 15:57:51,814 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 15:57:52,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 15:57:52,101 INFO L192 MainTranslator]: Completed translation [2019-08-14 15:57:52,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:52 WrapperNode [2019-08-14 15:57:52,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 15:57:52,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 15:57:52,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 15:57:52,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 15:57:52,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:52" (1/1) ... [2019-08-14 15:57:52,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:52" (1/1) ... [2019-08-14 15:57:52,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:52" (1/1) ... [2019-08-14 15:57:52,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:52" (1/1) ... [2019-08-14 15:57:52,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:52" (1/1) ... [2019-08-14 15:57:52,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:52" (1/1) ... [2019-08-14 15:57:52,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:52" (1/1) ... [2019-08-14 15:57:52,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 15:57:52,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 15:57:52,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 15:57:52,282 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 15:57:52,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 03:57:52" (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 15:57:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 15:57:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 15:57:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 15:57:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 15:57:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 15:57:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 15:57:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 15:57:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 15:57:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 15:57:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 15:57:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 15:57:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 15:57:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 15:57:54,948 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 15:57:54,949 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 15:57:54,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:57:54 BoogieIcfgContainer [2019-08-14 15:57:54,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 15:57:54,951 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 15:57:54,951 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 15:57:54,952 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 15:57:54,953 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 03:57:54" (1/1) ... [2019-08-14 15:58:29,763 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7290 conjuctions. This might take some time... [2019-08-14 15:59:52,625 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5832 conjuctions. This might take some time... [2019-08-14 16:00:20,924 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 16:00:39,405 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 16:00:48,072 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-14 16:03:37,890 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-14 16:03:55,486 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-14 16:04:00,984 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-14 16:04:55,112 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 59049 conjuctions. This might take some time...