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/Problem15_label56.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 21:42:39,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 21:42:39,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 21:42:39,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 21:42:39,880 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 21:42:39,881 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 21:42:39,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 21:42:39,884 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 21:42:39,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 21:42:39,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 21:42:39,888 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 21:42:39,889 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 21:42:39,889 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 21:42:39,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 21:42:39,891 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 21:42:39,892 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 21:42:39,893 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 21:42:39,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 21:42:39,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 21:42:39,898 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 21:42:39,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 21:42:39,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 21:42:39,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 21:42:39,903 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 21:42:39,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 21:42:39,906 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 21:42:39,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 21:42:39,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 21:42:39,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 21:42:39,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 21:42:39,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 21:42:39,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 21:42:39,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 21:42:39,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 21:42:39,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 21:42:39,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 21:42:39,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 21:42:39,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 21:42:39,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 21:42:39,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 21:42:39,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 21:42:39,915 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 21:42:39,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 21:42:39,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 21:42:39,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 21:42:39,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 21:42:39,932 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 21:42:39,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 21:42:39,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 21:42:39,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 21:42:39,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 21:42:39,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 21:42:39,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 21:42:39,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 21:42:39,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 21:42:39,934 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 21:42:39,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 21:42:39,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 21:42:39,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 21:42:39,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 21:42:39,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 21:42:39,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 21:42:39,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 21:42:39,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 21:42:39,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 21:42:39,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 21:42:39,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 21:42:39,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 21:42:39,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 21:42:39,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 21:42:39,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 21:42:39,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 21:42:39,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 21:42:39,981 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 21:42:39,982 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 21:42:39,983 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 21:42:39,983 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem15_label56.c [2019-08-09 21:42:40,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7186eeae/3e567864a312438d907f27fff2091cb3/FLAG28c03bd76 [2019-08-09 21:42:40,685 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 21:42:40,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem15_label56.c [2019-08-09 21:42:40,711 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7186eeae/3e567864a312438d907f27fff2091cb3/FLAG28c03bd76 [2019-08-09 21:42:40,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7186eeae/3e567864a312438d907f27fff2091cb3 [2019-08-09 21:42:40,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 21:42:40,867 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 21:42:40,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 21:42:40,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 21:42:40,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 21:42:40,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 09:42:40" (1/1) ... [2019-08-09 21:42:40,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b86b257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:40, skipping insertion in model container [2019-08-09 21:42:40,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 09:42:40" (1/1) ... [2019-08-09 21:42:40,887 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 21:42:40,972 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 21:42:41,847 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 21:42:41,854 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 21:42:42,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 21:42:42,208 INFO L192 MainTranslator]: Completed translation [2019-08-09 21:42:42,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:42 WrapperNode [2019-08-09 21:42:42,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 21:42:42,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 21:42:42,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 21:42:42,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 21:42:42,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:42" (1/1) ... [2019-08-09 21:42:42,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:42" (1/1) ... [2019-08-09 21:42:42,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:42" (1/1) ... [2019-08-09 21:42:42,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:42" (1/1) ... [2019-08-09 21:42:42,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:42" (1/1) ... [2019-08-09 21:42:42,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:42" (1/1) ... [2019-08-09 21:42:42,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:42" (1/1) ... [2019-08-09 21:42:42,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 21:42:42,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 21:42:42,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 21:42:42,428 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 21:42:42,429 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 09:42:42" (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 21:42:42,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 21:42:42,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 21:42:42,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 21:42:42,491 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 21:42:42,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 21:42:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 21:42:42,491 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 21:42:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 21:42:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 21:42:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 21:42:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 21:42:42,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 21:42:42,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 21:42:46,386 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 21:42:46,386 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 21:42:46,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 09:42:46 BoogieIcfgContainer [2019-08-09 21:42:46,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 21:42:46,389 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 21:42:46,389 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 21:42:46,389 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 21:42:46,390 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 09:42:46" (1/1) ... [2019-08-09 21:42:53,366 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 39366 conjuctions. This might take some time... [2019-08-09 21:47:00,587 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 13122 conjuctions. This might take some time... [2019-08-09 21:47:31,769 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 19683 conjuctions. This might take some time... [2019-08-09 21:48:21,862 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 15309 conjuctions. This might take some time... [2019-08-09 21:49:02,485 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 21:49:14,754 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6561 conjuctions. This might take some time... [2019-08-09 21:49:33,585 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 354294 conjuctions. This might take some time...