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-f4eb214f-m [2019-10-13 23:08:18,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:08:18,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:08:18,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:08:18,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:08:18,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:08:18,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:08:18,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:08:18,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:08:18,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:08:18,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:08:18,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:08:18,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:08:18,547 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:08:18,548 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:08:18,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:08:18,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:08:18,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:08:18,552 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:08:18,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:08:18,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:08:18,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:08:18,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:08:18,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:08:18,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:08:18,562 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:08:18,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:08:18,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:08:18,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:08:18,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:08:18,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:08:18,566 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:08:18,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:08:18,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:08:18,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:08:18,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:08:18,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:08:18,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:08:18,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:08:18,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:08:18,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:08:18,571 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 [2019-10-13 23:08:18,588 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:08:18,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:08:18,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:08:18,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:08:18,590 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:08:18,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:08:18,591 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:08:18,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:08:18,591 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:08:18,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:08:18,591 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:08:18,591 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:08:18,592 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:08:18,592 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:08:18,592 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:08:18,592 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:08:18,592 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:08:18,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:08:18,593 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:08:18,593 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:08:18,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:08:18,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:08:18,593 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:08:18,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:08:18,594 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:08:18,594 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:08:18,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:08:18,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:08:18,595 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 [2019-10-13 23:08:18,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:08:18,859 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:08:18,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:08:18,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:08:18,864 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:08:18,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product34.cil.c [2019-10-13 23:08:18,922 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d5c9495/b144af84420d4fd4bcad1401fb02c25e/FLAGfd91055ed [2019-10-13 23:08:19,529 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:08:19,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product34.cil.c [2019-10-13 23:08:19,564 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d5c9495/b144af84420d4fd4bcad1401fb02c25e/FLAGfd91055ed [2019-10-13 23:08:19,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13d5c9495/b144af84420d4fd4bcad1401fb02c25e [2019-10-13 23:08:19,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:08:19,703 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:08:19,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:08:19,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:08:19,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:08:19,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:08:19" (1/1) ... [2019-10-13 23:08:19,709 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 13.10 11:08:19, skipping insertion in model container [2019-10-13 23:08:19,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:08:19" (1/1) ... [2019-10-13 23:08:19,715 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:08:19,792 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:08:20,440 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:08:20,464 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:08:20,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:08:20,718 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:08:20,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20 WrapperNode [2019-10-13 23:08:20,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:08:20,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:08:20,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:08:20,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:08:20,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20" (1/1) ... [2019-10-13 23:08:20,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20" (1/1) ... [2019-10-13 23:08:20,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20" (1/1) ... [2019-10-13 23:08:20,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20" (1/1) ... [2019-10-13 23:08:20,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20" (1/1) ... [2019-10-13 23:08:20,897 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20" (1/1) ... [2019-10-13 23:08:20,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20" (1/1) ... [2019-10-13 23:08:20,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:08:20,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:08:20,947 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:08:20,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:08:20,948 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20" (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 [2019-10-13 23:08:21,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:08:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:08:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:08:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:08:21,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:08:21,015 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:08:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:08:21,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:08:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:08:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:08:21,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:08:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:08:21,018 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:08:21,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:08:21,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:08:21,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:08:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:08:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:08:21,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:08:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:08:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:08:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:08:21,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:08:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:08:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:08:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:08:21,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:08:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:08:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:08:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:08:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:08:21,025 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:08:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:08:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:08:21,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:08:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:08:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:08:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:08:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:08:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:08:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:08:21,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:08:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:08:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:08:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:08:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:08:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:08:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-13 23:08:21,028 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-13 23:08:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:08:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:08:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:08:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:08:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:08:21,029 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:08:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:08:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:08:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:08:21,030 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:08:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:08:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:08:21,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:08:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:08:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:08:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:08:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:08:21,032 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:08:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:08:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:08:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-13 23:08:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 23:08:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:08:21,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:08:21,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:08:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:08:21,035 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:08:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:08:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:08:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:08:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:08:21,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:08:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:08:21,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:08:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:08:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:08:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:08:21,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:08:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:08:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:08:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:08:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:08:21,039 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:08:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:08:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:08:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:08:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:08:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:08:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:08:21,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:08:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:08:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:08:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:08:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:08:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:08:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:08:21,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:08:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:08:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:08:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:08:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:08:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:08:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:08:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:08:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:08:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:08:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:08:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:08:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:08:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:08:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:08:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:08:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:08:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:08:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:08:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:08:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:08:21,046 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:08:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:08:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:08:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:08:21,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:08:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:08:21,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:08:21,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:08:21,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:08:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:08:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:08:21,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:08:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:08:21,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:08:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:08:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:08:21,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:08:21,056 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:08:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:08:21,063 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:08:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:08:21,064 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:08:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:08:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:08:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:08:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:08:21,065 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:08:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:08:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:08:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:08:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:08:21,066 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:08:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:08:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:08:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:08:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:08:21,067 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:08:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:08:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:08:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:08:21,068 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:08:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:08:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:08:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:08:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:08:21,069 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:08:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:08:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:08:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:08:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:08:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:08:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:08:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:08:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:08:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:08:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:08:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:08:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:08:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:08:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:08:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:08:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:08:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:08:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:08:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:08:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:08:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:08:21,073 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:08:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:08:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:08:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:08:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:08:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:08:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:08:21,074 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:08:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:08:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:08:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:08:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:08:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:08:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:08:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:08:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-13 23:08:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-13 23:08:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:08:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:08:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:08:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:08:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:08:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:08:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:08:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:08:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:08:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:08:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:08:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:08:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:08:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:08:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:08:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:08:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:08:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:08:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-13 23:08:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 23:08:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:08:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:08:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:08:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:08:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:08:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:08:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:08:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:08:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:08:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:08:21,082 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:08:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:08:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:08:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:08:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:08:21,083 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:08:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:08:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:08:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:08:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:08:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:08:25,574 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:08:25,575 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:08:25,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:08:25 BoogieIcfgContainer [2019-10-13 23:08:25,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:08:25,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:08:25,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:08:25,581 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:08:25,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:08:19" (1/3) ... [2019-10-13 23:08:25,582 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 13.10 11:08:25, skipping insertion in model container [2019-10-13 23:08:25,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:20" (2/3) ... [2019-10-13 23:08:25,582 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 13.10 11:08:25, skipping insertion in model container [2019-10-13 23:08:25,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:08:25" (3/3) ... [2019-10-13 23:08:25,584 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product34.cil.c [2019-10-13 23:08:25,593 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:08:25,602 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:08:25,613 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:08:25,641 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:08:25,642 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:08:25,642 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:08:25,642 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:08:25,642 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:08:25,642 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:08:25,642 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:08:25,642 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:08:25,670 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states. [2019-10-13 23:08:25,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 23:08:25,686 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:25,688 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] [2019-10-13 23:08:25,689 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:25,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:25,695 INFO L82 PathProgramCache]: Analyzing trace with hash 923290841, now seen corresponding path program 1 times [2019-10-13 23:08:25,704 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:25,705 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447586987] [2019-10-13 23:08:25,705 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:25,705 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:25,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:26,312 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:26,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447586987] [2019-10-13 23:08:26,313 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:26,314 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:08:26,314 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462210993] [2019-10-13 23:08:26,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:08:26,319 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:26,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:08:26,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:08:26,335 INFO L87 Difference]: Start difference. First operand 455 states. Second operand 2 states. [2019-10-13 23:08:26,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:26,429 INFO L93 Difference]: Finished difference Result 692 states and 826 transitions. [2019-10-13 23:08:26,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:08:26,431 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-13 23:08:26,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:26,459 INFO L225 Difference]: With dead ends: 692 [2019-10-13 23:08:26,460 INFO L226 Difference]: Without dead ends: 428 [2019-10-13 23:08:26,472 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 [2019-10-13 23:08:26,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2019-10-13 23:08:26,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 428. [2019-10-13 23:08:26,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2019-10-13 23:08:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 507 transitions. [2019-10-13 23:08:26,589 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 507 transitions. Word has length 132 [2019-10-13 23:08:26,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:26,591 INFO L462 AbstractCegarLoop]: Abstraction has 428 states and 507 transitions. [2019-10-13 23:08:26,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:08:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 507 transitions. [2019-10-13 23:08:26,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 23:08:26,597 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:26,597 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] [2019-10-13 23:08:26,597 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:26,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:26,598 INFO L82 PathProgramCache]: Analyzing trace with hash 939154043, now seen corresponding path program 1 times [2019-10-13 23:08:26,598 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:26,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575576778] [2019-10-13 23:08:26,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:26,599 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:26,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:26,916 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:26,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575576778] [2019-10-13 23:08:26,919 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:26,919 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:08:26,919 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140393983] [2019-10-13 23:08:26,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:08:26,921 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:26,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:08:26,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:26,922 INFO L87 Difference]: Start difference. First operand 428 states and 507 transitions. Second operand 3 states. [2019-10-13 23:08:26,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:26,990 INFO L93 Difference]: Finished difference Result 677 states and 794 transitions. [2019-10-13 23:08:26,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:08:26,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-13 23:08:26,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:27,002 INFO L225 Difference]: With dead ends: 677 [2019-10-13 23:08:27,002 INFO L226 Difference]: Without dead ends: 430 [2019-10-13 23:08:27,007 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 [2019-10-13 23:08:27,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2019-10-13 23:08:27,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2019-10-13 23:08:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2019-10-13 23:08:27,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 509 transitions. [2019-10-13 23:08:27,065 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 509 transitions. Word has length 133 [2019-10-13 23:08:27,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:27,065 INFO L462 AbstractCegarLoop]: Abstraction has 430 states and 509 transitions. [2019-10-13 23:08:27,065 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:08:27,065 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 509 transitions. [2019-10-13 23:08:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-13 23:08:27,069 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:27,069 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] [2019-10-13 23:08:27,070 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:27,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:27,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1860873538, now seen corresponding path program 1 times [2019-10-13 23:08:27,070 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:27,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100909774] [2019-10-13 23:08:27,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:27,071 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:27,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:27,286 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:27,287 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100909774] [2019-10-13 23:08:27,287 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:27,287 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:08:27,287 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291469481] [2019-10-13 23:08:27,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:08:27,290 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:27,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:08:27,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:27,290 INFO L87 Difference]: Start difference. First operand 430 states and 509 transitions. Second operand 3 states. [2019-10-13 23:08:27,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:27,349 INFO L93 Difference]: Finished difference Result 844 states and 1028 transitions. [2019-10-13 23:08:27,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:08:27,350 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-13 23:08:27,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:27,357 INFO L225 Difference]: With dead ends: 844 [2019-10-13 23:08:27,357 INFO L226 Difference]: Without dead ends: 472 [2019-10-13 23:08:27,359 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 [2019-10-13 23:08:27,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-13 23:08:27,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 471. [2019-10-13 23:08:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2019-10-13 23:08:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 580 transitions. [2019-10-13 23:08:27,404 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 580 transitions. Word has length 138 [2019-10-13 23:08:27,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:27,407 INFO L462 AbstractCegarLoop]: Abstraction has 471 states and 580 transitions. [2019-10-13 23:08:27,408 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:08:27,408 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 580 transitions. [2019-10-13 23:08:27,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 23:08:27,416 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:27,417 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] [2019-10-13 23:08:27,417 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:27,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:27,418 INFO L82 PathProgramCache]: Analyzing trace with hash -2091075522, now seen corresponding path program 1 times [2019-10-13 23:08:27,419 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:27,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696312216] [2019-10-13 23:08:27,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:27,421 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:27,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:28,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 23:08:28,208 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696312216] [2019-10-13 23:08:28,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2016294051] [2019-10-13 23:08:28,209 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 [2019-10-13 23:08:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:28,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 2861 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:08:28,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:08:28,911 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:28,911 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:08:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:29,198 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1514248454] [2019-10-13 23:08:29,240 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-13 23:08:29,240 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:08:29,247 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:08:29,254 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:08:29,255 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs