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_spec1_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:12:53,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:12:53,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:12:53,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:12:53,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:12:53,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:12:53,111 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:12:53,120 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:12:53,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:12:53,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:12:53,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:12:53,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:12:53,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:12:53,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:12:53,133 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:12:53,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:12:53,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:12:53,141 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:12:53,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:12:53,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:12:53,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:12:53,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:12:53,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:12:53,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:12:53,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:12:53,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:12:53,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:12:53,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:12:53,165 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:12:53,167 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:12:53,167 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:12:53,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:12:53,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:12:53,171 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:12:53,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:12:53,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:12:53,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:12:53,175 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:12:53,175 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:12:53,176 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:12:53,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:12:53,181 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 [2019-10-15 03:12:53,201 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:12:53,201 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:12:53,202 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:12:53,203 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:12:53,203 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:12:53,203 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:12:53,203 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:12:53,204 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:12:53,204 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:12:53,204 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:12:53,204 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:12:53,204 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:12:53,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:12:53,205 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:12:53,205 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:12:53,205 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:12:53,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:12:53,206 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:12:53,206 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:12:53,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:12:53,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:12:53,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:12:53,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:12:53,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:12:53,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:12:53,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:12:53,207 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:12:53,207 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:12:53,208 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 [2019-10-15 03:12:53,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:12:53,513 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:12:53,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:12:53,518 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:12:53,518 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:12:53,519 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product34.cil.c [2019-10-15 03:12:53,582 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8a225c8/92c960e33c5c4e82acf25cbde82de5fe/FLAG43b36c432 [2019-10-15 03:12:54,203 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:12:54,204 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product34.cil.c [2019-10-15 03:12:54,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8a225c8/92c960e33c5c4e82acf25cbde82de5fe/FLAG43b36c432 [2019-10-15 03:12:54,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc8a225c8/92c960e33c5c4e82acf25cbde82de5fe [2019-10-15 03:12:54,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:12:54,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:12:54,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:54,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:12:54,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:12:54,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:54" (1/1) ... [2019-10-15 03:12:54,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60aa197e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:54, skipping insertion in model container [2019-10-15 03:12:54,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:54" (1/1) ... [2019-10-15 03:12:54,408 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:12:54,487 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:12:55,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:55,238 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:12:55,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:55,522 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:12:55,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55 WrapperNode [2019-10-15 03:12:55,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:55,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:12:55,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:12:55,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:12:55,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55" (1/1) ... [2019-10-15 03:12:55,541 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55" (1/1) ... [2019-10-15 03:12:55,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55" (1/1) ... [2019-10-15 03:12:55,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55" (1/1) ... [2019-10-15 03:12:55,696 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55" (1/1) ... [2019-10-15 03:12:55,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55" (1/1) ... [2019-10-15 03:12:55,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55" (1/1) ... [2019-10-15 03:12:55,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:12:55,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:12:55,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:12:55,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:12:55,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55" (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 [2019-10-15 03:12:55,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:12:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:12:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:55,852 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:12:55,853 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:12:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:55,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:12:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:12:55,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:12:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:12:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:12:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:12:55,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:12:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:12:55,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:12:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:12:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:12:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:12:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:12:55,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:12:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:12:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:12:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:12:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:12:55,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:12:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:12:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:12:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:12:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:12:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:12:55,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:12:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:12:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:12:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:12:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:12:55,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:12:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:12:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:12:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:12:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:12:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:12:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:12:55,863 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:12:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:12:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:12:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:12:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:12:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:12:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:12:55,864 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:12:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:12:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:12:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:12:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:12:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:12:55,865 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:12:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:12:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:12:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:12:55,866 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:12:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:12:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:12:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:12:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:12:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:12:55,867 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:12:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:12:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:12:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:12:55,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:12:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:12:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:12:55,869 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:12:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:12:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:12:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:12:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:12:55,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:12:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:12:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:12:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:12:55,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:12:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:12:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:12:55,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:12:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:12:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:12:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:12:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:12:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:12:55,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:12:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:12:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:12:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:12:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:12:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:12:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:55,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:12:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:12:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:12:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:12:55,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:12:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:12:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:12:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:12:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:12:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:12:55,876 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:12:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:12:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:12:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:12:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:12:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:12:55,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:12:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:12:55,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:12:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:12:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:12:55,879 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:12:55,880 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:12:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:12:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:12:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:12:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:12:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:12:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:12:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:12:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:12:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:12:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:55,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:12:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:55,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:12:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:12:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:12:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:12:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:12:55,896 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:12:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:12:55,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:12:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:12:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:12:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:12:55,898 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:12:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:12:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:12:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:12:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:12:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:12:55,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:12:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:12:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:12:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:12:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:12:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:12:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:12:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:12:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:12:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:12:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:12:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:12:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:12:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:12:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:12:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:12:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:12:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:12:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:12:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:12:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:12:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:12:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:12:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:12:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:12:55,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:12:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:12:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:12:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:12:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:12:55,904 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:12:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:12:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:12:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:12:55,905 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:12:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:12:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:12:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:12:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:12:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:12:55,906 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:12:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:12:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:12:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:12:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:12:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:12:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:12:55,907 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:12:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:12:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:12:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:12:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:12:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:12:55,908 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:12:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:12:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:12:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:12:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:12:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:12:55,909 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:12:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:12:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:12:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:12:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:12:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:12:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:12:55,910 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:12:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:12:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:12:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:12:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:12:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:12:55,911 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:12:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:12:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:12:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:12:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:12:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:12:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:12:55,912 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:12:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:12:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:12:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:12:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:12:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:12:55,913 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:12:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:12:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:12:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:12:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:12:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:55,914 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:12:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:12:55,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:13:00,497 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:13:00,497 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:13:00,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:00 BoogieIcfgContainer [2019-10-15 03:13:00,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:13:00,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:13:00,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:13:00,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:13:00,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:12:54" (1/3) ... [2019-10-15 03:13:00,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae63ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:00, skipping insertion in model container [2019-10-15 03:13:00,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:55" (2/3) ... [2019-10-15 03:13:00,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ae63ccd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:00, skipping insertion in model container [2019-10-15 03:13:00,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:00" (3/3) ... [2019-10-15 03:13:00,510 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product34.cil.c [2019-10-15 03:13:00,520 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:13:00,530 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:13:00,542 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:13:00,590 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:13:00,590 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:13:00,590 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:13:00,590 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:13:00,590 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:13:00,593 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:13:00,594 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:13:00,594 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:13:00,637 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states. [2019-10-15 03:13:00,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-15 03:13:00,655 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:00,656 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:13:00,658 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:00,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:00,665 INFO L82 PathProgramCache]: Analyzing trace with hash 923290841, now seen corresponding path program 1 times [2019-10-15 03:13:00,675 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:00,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447586987] [2019-10-15 03:13:00,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:00,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:00,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:13:01,323 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447586987] [2019-10-15 03:13:01,324 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:01,324 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:13:01,324 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462210993] [2019-10-15 03:13:01,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:13:01,330 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:01,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:13:01,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:13:01,347 INFO L87 Difference]: Start difference. First operand 455 states. Second operand 2 states. [2019-10-15 03:13:01,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:01,439 INFO L93 Difference]: Finished difference Result 692 states and 826 transitions. [2019-10-15 03:13:01,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:13:01,446 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-15 03:13:01,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:01,481 INFO L225 Difference]: With dead ends: 692 [2019-10-15 03:13:01,481 INFO L226 Difference]: Without dead ends: 428 [2019-10-15 03:13:01,491 INFO L600 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 [2019-10-15 03:13:01,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2019-10-15 03:13:01,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2019-10-15 03:13:01,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2019-10-15 03:13:01,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 507 transitions. [2019-10-15 03:13:01,638 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 507 transitions. Word has length 132 [2019-10-15 03:13:01,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:01,641 INFO L462 AbstractCegarLoop]: Abstraction has 428 states and 507 transitions. [2019-10-15 03:13:01,641 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:13:01,641 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 507 transitions. [2019-10-15 03:13:01,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-15 03:13:01,653 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:01,653 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:13:01,654 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:01,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:01,654 INFO L82 PathProgramCache]: Analyzing trace with hash 939154043, now seen corresponding path program 1 times [2019-10-15 03:13:01,655 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:01,655 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575576778] [2019-10-15 03:13:01,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:01,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:01,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:01,940 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:13:01,941 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575576778] [2019-10-15 03:13:01,941 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:01,941 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:01,941 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140393983] [2019-10-15 03:13:01,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:01,945 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:01,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:01,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:01,946 INFO L87 Difference]: Start difference. First operand 428 states and 507 transitions. Second operand 3 states. [2019-10-15 03:13:02,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:02,028 INFO L93 Difference]: Finished difference Result 677 states and 794 transitions. [2019-10-15 03:13:02,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:02,029 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-15 03:13:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:02,038 INFO L225 Difference]: With dead ends: 677 [2019-10-15 03:13:02,038 INFO L226 Difference]: Without dead ends: 430 [2019-10-15 03:13:02,041 INFO L600 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 [2019-10-15 03:13:02,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2019-10-15 03:13:02,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2019-10-15 03:13:02,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2019-10-15 03:13:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 509 transitions. [2019-10-15 03:13:02,082 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 509 transitions. Word has length 133 [2019-10-15 03:13:02,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:02,083 INFO L462 AbstractCegarLoop]: Abstraction has 430 states and 509 transitions. [2019-10-15 03:13:02,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:02,083 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 509 transitions. [2019-10-15 03:13:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-15 03:13:02,088 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:02,088 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:13:02,088 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:02,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:02,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1860873538, now seen corresponding path program 1 times [2019-10-15 03:13:02,089 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:02,089 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100909774] [2019-10-15 03:13:02,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:02,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:02,090 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:02,284 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:13:02,285 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100909774] [2019-10-15 03:13:02,285 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:02,285 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:02,285 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291469481] [2019-10-15 03:13:02,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:02,287 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:02,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:02,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:02,288 INFO L87 Difference]: Start difference. First operand 430 states and 509 transitions. Second operand 3 states. [2019-10-15 03:13:02,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:02,340 INFO L93 Difference]: Finished difference Result 844 states and 1028 transitions. [2019-10-15 03:13:02,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:02,340 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-15 03:13:02,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:02,344 INFO L225 Difference]: With dead ends: 844 [2019-10-15 03:13:02,344 INFO L226 Difference]: Without dead ends: 472 [2019-10-15 03:13:02,346 INFO L600 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 [2019-10-15 03:13:02,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-15 03:13:02,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 471. [2019-10-15 03:13:02,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2019-10-15 03:13:02,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 580 transitions. [2019-10-15 03:13:02,374 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 580 transitions. Word has length 138 [2019-10-15 03:13:02,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:02,374 INFO L462 AbstractCegarLoop]: Abstraction has 471 states and 580 transitions. [2019-10-15 03:13:02,374 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:02,375 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 580 transitions. [2019-10-15 03:13:02,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-15 03:13:02,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:02,379 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:13:02,379 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:02,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:02,380 INFO L82 PathProgramCache]: Analyzing trace with hash -2091075522, now seen corresponding path program 1 times [2019-10-15 03:13:02,380 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:02,381 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696312216] [2019-10-15 03:13:02,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:02,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:02,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:02,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-15 03:13:03,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696312216] [2019-10-15 03:13:03,201 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016294051] [2019-10-15 03:13:03,201 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:13:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:03,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:13:03,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:13:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:13:04,024 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:13:04,269 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:13:04,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1514248454] [2019-10-15 03:13:04,303 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-15 03:13:04,303 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:13:04,311 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:13:04,320 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:13:04,321 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs