/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec27_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:19:21,882 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:19:21,885 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:19:21,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:19:21,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:19:21,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:19:21,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:19:21,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:19:21,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:19:21,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:19:21,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:19:21,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:19:21,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:19:21,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:19:21,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:19:21,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:19:21,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:19:21,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:19:21,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:19:21,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:19:21,936 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:19:21,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:19:21,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:19:21,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:19:21,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:19:21,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:19:21,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:19:21,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:19:21,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:19:21,946 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:19:21,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:19:21,947 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:19:21,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:19:21,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:19:21,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:19:21,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:19:21,951 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:19:21,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:19:21,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:19:21,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:19:21,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:19:21,957 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 [2019-11-07 04:19:21,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:19:21,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:19:21,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:19:21,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:19:21,980 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:19:21,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:19:21,980 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:19:21,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:19:21,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:19:21,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:19:21,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:19:21,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:19:21,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:19:21,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:19:21,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:19:21,983 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:19:21,983 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:19:21,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:19:21,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:19:21,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:19:21,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:19:21,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:19:21,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:19:21,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:19:21,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:19:21,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:19:21,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:19:21,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:19:21,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:19:22,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:19:22,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:19:22,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:19:22,285 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:19:22,286 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:19:22,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product32.cil.c [2019-11-07 04:19:22,347 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913d41aac/cd96f55eb73a426a9e8124badb5641f5/FLAGabfbca10e [2019-11-07 04:19:22,921 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:19:22,921 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product32.cil.c [2019-11-07 04:19:22,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913d41aac/cd96f55eb73a426a9e8124badb5641f5/FLAGabfbca10e [2019-11-07 04:19:23,194 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/913d41aac/cd96f55eb73a426a9e8124badb5641f5 [2019-11-07 04:19:23,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:19:23,208 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:19:23,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:19:23,226 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:19:23,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:19:23,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:23" (1/1) ... [2019-11-07 04:19:23,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3c5c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:23, skipping insertion in model container [2019-11-07 04:19:23,244 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:23" (1/1) ... [2019-11-07 04:19:23,263 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:19:23,416 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:19:24,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:19:24,167 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:19:24,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:19:24,500 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:19:24,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24 WrapperNode [2019-11-07 04:19:24,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:19:24,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:19:24,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:19:24,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:19:24,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24" (1/1) ... [2019-11-07 04:19:24,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24" (1/1) ... [2019-11-07 04:19:24,576 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24" (1/1) ... [2019-11-07 04:19:24,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24" (1/1) ... [2019-11-07 04:19:24,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24" (1/1) ... [2019-11-07 04:19:24,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24" (1/1) ... [2019-11-07 04:19:24,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24" (1/1) ... [2019-11-07 04:19:24,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:19:24,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:19:24,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:19:24,771 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:19:24,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24" (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 [2019-11-07 04:19:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:19:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:19:24,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:19:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:19:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:19:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:19:24,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:19:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:19:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:19:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:19:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:19:24,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:19:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:19:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:19:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:19:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:19:24,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:19:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:19:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:19:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:19:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:19:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:19:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:19:24,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:19:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:19:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:19:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:19:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:19:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:19:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:19:24,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:19:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:19:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-11-07 04:19:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:19:24,854 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:19:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:19:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:19:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:19:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:19:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:19:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:19:24,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:19:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:19:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:19:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:19:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:19:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:19:24,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:19:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:19:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:19:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:19:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:19:24,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:19:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:19:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:19:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:19:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:19:24,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:19:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:19:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:19:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:19:24,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:19:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:19:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:19:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:19:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:19:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:19:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:19:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:19:24,861 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:19:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:19:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:19:24,862 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:19:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:19:24,863 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:19:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:19:24,864 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:19:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:19:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:19:24,865 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:19:24,866 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:19:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:19:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:19:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:19:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:19:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:19:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:19:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:19:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:19:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:19:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:19:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:19:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:19:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:19:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:19:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:19:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:19:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:19:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:19:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:19:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:19:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:19:24,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:19:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:19:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:19:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:19:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:19:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:19:24,871 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:19:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:19:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:19:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-07 04:19:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:19:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:19:24,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:19:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:19:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:19:24,873 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:19:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:19:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:19:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:19:24,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:19:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:19:24,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:19:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:19:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:19:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:19:24,876 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:19:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:19:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:19:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:19:24,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:19:24,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:19:24,879 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:19:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:19:24,883 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:19:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:19:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:19:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:19:24,884 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:19:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:19:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:19:24,885 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:19:24,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:19:24,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:19:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:19:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:19:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:19:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:19:24,893 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:19:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:19:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:19:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:19:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-11-07 04:19:24,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:19:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:19:24,895 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:19:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:19:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:19:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:19:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:19:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:19:24,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:19:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:19:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:19:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:19:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:19:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:19:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:19:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:19:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:19:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:19:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:19:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:19:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:19:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:19:24,899 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:19:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:19:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:19:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:19:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:19:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:19:24,900 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:19:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:19:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:19:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:19:24,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:19:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:19:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:19:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:19:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:19:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:19:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:19:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:19:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:19:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:19:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:19:24,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:19:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:19:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:19:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:19:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:19:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:19:24,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:19:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:19:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:19:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:19:24,905 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:19:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:19:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:19:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:19:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:19:24,907 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:19:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:19:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:19:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:19:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:19:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:19:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:19:24,908 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:19:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:19:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:19:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:19:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:19:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:19:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:19:24,909 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:19:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:19:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:19:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:19:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:19:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:19:24,910 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:19:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:19:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:19:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:19:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:19:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:19:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:19:24,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:19:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:19:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:19:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:19:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:19:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:19:24,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:19:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-07 04:19:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:19:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:19:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:19:24,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:19:29,617 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:19:29,617 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:19:29,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:19:29 BoogieIcfgContainer [2019-11-07 04:19:29,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:19:29,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:19:29,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:19:29,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:19:29,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:19:23" (1/3) ... [2019-11-07 04:19:29,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160f3282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:19:29, skipping insertion in model container [2019-11-07 04:19:29,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:24" (2/3) ... [2019-11-07 04:19:29,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@160f3282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:19:29, skipping insertion in model container [2019-11-07 04:19:29,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:19:29" (3/3) ... [2019-11-07 04:19:29,632 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product32.cil.c [2019-11-07 04:19:29,642 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:19:29,653 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:19:29,665 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:19:29,716 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:19:29,716 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:19:29,717 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:19:29,717 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:19:29,717 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:19:29,717 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:19:29,717 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:19:29,717 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:19:29,794 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states. [2019-11-07 04:19:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-07 04:19:29,821 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:29,823 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:29,825 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:29,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:29,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1197640387, now seen corresponding path program 1 times [2019-11-07 04:19:29,842 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:29,842 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950540241] [2019-11-07 04:19:29,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:30,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:30,421 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950540241] [2019-11-07 04:19:30,422 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:30,422 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:19:30,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137193420] [2019-11-07 04:19:30,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:19:30,429 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:30,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:19:30,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:19:30,446 INFO L87 Difference]: Start difference. First operand 446 states. Second operand 2 states. [2019-11-07 04:19:30,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:30,543 INFO L93 Difference]: Finished difference Result 636 states and 763 transitions. [2019-11-07 04:19:30,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:19:30,544 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 174 [2019-11-07 04:19:30,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:30,583 INFO L225 Difference]: With dead ends: 636 [2019-11-07 04:19:30,583 INFO L226 Difference]: Without dead ends: 400 [2019-11-07 04:19:30,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:19:30,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2019-11-07 04:19:30,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2019-11-07 04:19:30,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2019-11-07 04:19:30,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 473 transitions. [2019-11-07 04:19:30,755 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 473 transitions. Word has length 174 [2019-11-07 04:19:30,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:30,758 INFO L462 AbstractCegarLoop]: Abstraction has 400 states and 473 transitions. [2019-11-07 04:19:30,758 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:19:30,759 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 473 transitions. [2019-11-07 04:19:30,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-07 04:19:30,771 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:30,771 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:30,772 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:30,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:30,772 INFO L82 PathProgramCache]: Analyzing trace with hash -337901159, now seen corresponding path program 1 times [2019-11-07 04:19:30,772 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:30,773 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990078056] [2019-11-07 04:19:30,773 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:31,096 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990078056] [2019-11-07 04:19:31,096 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:31,096 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:31,096 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398752280] [2019-11-07 04:19:31,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:31,100 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:31,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:31,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:31,101 INFO L87 Difference]: Start difference. First operand 400 states and 473 transitions. Second operand 3 states. [2019-11-07 04:19:31,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:31,221 INFO L93 Difference]: Finished difference Result 621 states and 726 transitions. [2019-11-07 04:19:31,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:31,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-11-07 04:19:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:31,227 INFO L225 Difference]: With dead ends: 621 [2019-11-07 04:19:31,233 INFO L226 Difference]: Without dead ends: 402 [2019-11-07 04:19:31,235 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:31,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-11-07 04:19:31,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2019-11-07 04:19:31,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2019-11-07 04:19:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 475 transitions. [2019-11-07 04:19:31,265 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 475 transitions. Word has length 175 [2019-11-07 04:19:31,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:31,266 INFO L462 AbstractCegarLoop]: Abstraction has 402 states and 475 transitions. [2019-11-07 04:19:31,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:31,266 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 475 transitions. [2019-11-07 04:19:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-07 04:19:31,270 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:31,270 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:31,271 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:31,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:31,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1763003140, now seen corresponding path program 1 times [2019-11-07 04:19:31,273 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:31,273 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168827679] [2019-11-07 04:19:31,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:31,475 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168827679] [2019-11-07 04:19:31,476 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:31,476 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:31,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054546866] [2019-11-07 04:19:31,477 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:31,478 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:31,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:31,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:31,478 INFO L87 Difference]: Start difference. First operand 402 states and 475 transitions. Second operand 3 states. [2019-11-07 04:19:31,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:31,519 INFO L93 Difference]: Finished difference Result 788 states and 960 transitions. [2019-11-07 04:19:31,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:31,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2019-11-07 04:19:31,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:31,526 INFO L225 Difference]: With dead ends: 788 [2019-11-07 04:19:31,528 INFO L226 Difference]: Without dead ends: 444 [2019-11-07 04:19:31,529 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:31,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-11-07 04:19:31,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2019-11-07 04:19:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-11-07 04:19:31,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 546 transitions. [2019-11-07 04:19:31,564 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 546 transitions. Word has length 184 [2019-11-07 04:19:31,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:31,565 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 546 transitions. [2019-11-07 04:19:31,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 546 transitions. [2019-11-07 04:19:31,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-07 04:19:31,571 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:31,571 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:31,572 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:31,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:31,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1576496453, now seen corresponding path program 1 times [2019-11-07 04:19:31,574 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:31,574 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491032386] [2019-11-07 04:19:31,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:31,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:31,824 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:31,824 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491032386] [2019-11-07 04:19:31,825 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:31,827 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:31,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091124286] [2019-11-07 04:19:31,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:31,830 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:31,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:31,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:31,831 INFO L87 Difference]: Start difference. First operand 443 states and 546 transitions. Second operand 3 states. [2019-11-07 04:19:31,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:31,866 INFO L93 Difference]: Finished difference Result 908 states and 1168 transitions. [2019-11-07 04:19:31,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:31,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-11-07 04:19:31,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:31,877 INFO L225 Difference]: With dead ends: 908 [2019-11-07 04:19:31,877 INFO L226 Difference]: Without dead ends: 523 [2019-11-07 04:19:31,879 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:31,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2019-11-07 04:19:31,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 522. [2019-11-07 04:19:31,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2019-11-07 04:19:31,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 682 transitions. [2019-11-07 04:19:31,922 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 682 transitions. Word has length 185 [2019-11-07 04:19:31,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:31,924 INFO L462 AbstractCegarLoop]: Abstraction has 522 states and 682 transitions. [2019-11-07 04:19:31,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 682 transitions. [2019-11-07 04:19:31,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-07 04:19:31,930 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:31,930 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:31,931 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:31,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:31,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1211164531, now seen corresponding path program 1 times [2019-11-07 04:19:31,932 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:31,933 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345410407] [2019-11-07 04:19:31,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:32,911 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:19:32,911 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345410407] [2019-11-07 04:19:32,912 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:32,912 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-11-07 04:19:32,912 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467409680] [2019-11-07 04:19:32,913 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-11-07 04:19:32,913 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:32,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-11-07 04:19:32,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2019-11-07 04:19:32,914 INFO L87 Difference]: Start difference. First operand 522 states and 682 transitions. Second operand 28 states. [2019-11-07 04:19:44,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:44,132 INFO L93 Difference]: Finished difference Result 1043 states and 1332 transitions. [2019-11-07 04:19:44,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-11-07 04:19:44,133 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 188 [2019-11-07 04:19:44,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:44,146 INFO L225 Difference]: With dead ends: 1043 [2019-11-07 04:19:44,152 INFO L226 Difference]: Without dead ends: 832 [2019-11-07 04:19:44,157 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=178, Invalid=2078, Unknown=0, NotChecked=0, Total=2256 [2019-11-07 04:19:44,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2019-11-07 04:19:44,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 803. [2019-11-07 04:19:44,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2019-11-07 04:19:44,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1034 transitions. [2019-11-07 04:19:44,304 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1034 transitions. Word has length 188 [2019-11-07 04:19:44,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:44,308 INFO L462 AbstractCegarLoop]: Abstraction has 803 states and 1034 transitions. [2019-11-07 04:19:44,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-11-07 04:19:44,308 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1034 transitions. [2019-11-07 04:19:44,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-07 04:19:44,320 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:44,320 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:44,321 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:44,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:44,321 INFO L82 PathProgramCache]: Analyzing trace with hash -2127093432, now seen corresponding path program 1 times [2019-11-07 04:19:44,321 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:44,322 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166594818] [2019-11-07 04:19:44,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:44,648 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:19:44,649 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166594818] [2019-11-07 04:19:44,650 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:44,650 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:19:44,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652778582] [2019-11-07 04:19:44,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:19:44,651 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:44,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:19:44,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:19:44,652 INFO L87 Difference]: Start difference. First operand 803 states and 1034 transitions. Second operand 10 states. [2019-11-07 04:19:44,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:44,748 INFO L93 Difference]: Finished difference Result 1295 states and 1656 transitions. [2019-11-07 04:19:44,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:19:44,749 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 192 [2019-11-07 04:19:44,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:44,757 INFO L225 Difference]: With dead ends: 1295 [2019-11-07 04:19:44,758 INFO L226 Difference]: Without dead ends: 823 [2019-11-07 04:19:44,761 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:19:44,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2019-11-07 04:19:44,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 807. [2019-11-07 04:19:44,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2019-11-07 04:19:44,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1037 transitions. [2019-11-07 04:19:44,825 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1037 transitions. Word has length 192 [2019-11-07 04:19:44,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:44,829 INFO L462 AbstractCegarLoop]: Abstraction has 807 states and 1037 transitions. [2019-11-07 04:19:44,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:19:44,830 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1037 transitions. [2019-11-07 04:19:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-07 04:19:44,835 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:44,836 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:44,836 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:44,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:44,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1037126365, now seen corresponding path program 1 times [2019-11-07 04:19:44,837 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:44,837 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186185335] [2019-11-07 04:19:44,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:45,998 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:19:45,999 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186185335] [2019-11-07 04:19:45,999 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:45,999 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2019-11-07 04:19:45,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152078658] [2019-11-07 04:19:46,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-11-07 04:19:46,000 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:46,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-11-07 04:19:46,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=969, Unknown=0, NotChecked=0, Total=1056 [2019-11-07 04:19:46,001 INFO L87 Difference]: Start difference. First operand 807 states and 1037 transitions. Second operand 33 states. [2019-11-07 04:20:02,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:02,782 INFO L93 Difference]: Finished difference Result 1911 states and 2430 transitions. [2019-11-07 04:20:02,785 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-11-07 04:20:02,786 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 194 [2019-11-07 04:20:02,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:02,801 INFO L225 Difference]: With dead ends: 1911 [2019-11-07 04:20:02,802 INFO L226 Difference]: Without dead ends: 1431 [2019-11-07 04:20:02,805 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=315, Invalid=3975, Unknown=0, NotChecked=0, Total=4290 [2019-11-07 04:20:02,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2019-11-07 04:20:02,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 1411. [2019-11-07 04:20:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1411 states. [2019-11-07 04:20:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1808 transitions. [2019-11-07 04:20:02,884 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1808 transitions. Word has length 194 [2019-11-07 04:20:02,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:02,885 INFO L462 AbstractCegarLoop]: Abstraction has 1411 states and 1808 transitions. [2019-11-07 04:20:02,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-11-07 04:20:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1808 transitions. [2019-11-07 04:20:02,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-11-07 04:20:02,890 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:02,890 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:02,891 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:02,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:02,892 INFO L82 PathProgramCache]: Analyzing trace with hash 2100859293, now seen corresponding path program 1 times [2019-11-07 04:20:02,892 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:02,892 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792433808] [2019-11-07 04:20:02,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat