/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec27_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:19:17,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:19:17,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:19:17,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:19:17,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:19:17,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:19:17,707 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:19:17,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:19:17,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:19:17,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:19:17,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:19:17,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:19:17,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:19:17,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:19:17,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:19:17,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:19:17,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:19:17,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:19:17,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:19:17,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:19:17,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:19:17,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:19:17,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:19:17,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:19:17,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:19:17,753 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:19:17,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:19:17,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:19:17,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:19:17,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:19:17,758 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:19:17,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:19:17,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:19:17,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:19:17,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:19:17,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:19:17,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:19:17,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:19:17,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:19:17,765 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:19:17,766 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:19:17,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:19:17,780 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:19:17,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:19:17,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:19:17,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:19:17,782 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:19:17,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:19:17,783 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:19:17,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:19:17,783 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:19:17,783 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:19:17,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:19:17,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:19:17,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:19:17,784 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:19:17,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:19:17,784 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:19:17,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:19:17,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:19:17,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:19:17,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:19:17,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:19:17,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:19:17,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:19:17,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:19:17,786 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:19:17,786 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:19:17,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:19:17,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:19:17,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:19:18,122 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:19:18,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:19:18,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:19:18,149 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:19:18,149 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:19:18,150 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product31.cil.c [2019-11-07 04:19:18,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/687edcf7f/c5c80eb88bbe444a92e7000553d4d168/FLAG2f369ee39 [2019-11-07 04:19:18,932 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:19:18,933 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product31.cil.c [2019-11-07 04:19:18,952 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/687edcf7f/c5c80eb88bbe444a92e7000553d4d168/FLAG2f369ee39 [2019-11-07 04:19:19,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/687edcf7f/c5c80eb88bbe444a92e7000553d4d168 [2019-11-07 04:19:19,106 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:19:19,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:19:19,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:19:19,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:19:19,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:19:19,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:19" (1/1) ... [2019-11-07 04:19:19,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16372189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:19, skipping insertion in model container [2019-11-07 04:19:19,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:19:19" (1/1) ... [2019-11-07 04:19:19,124 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:19:19,191 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:19:20,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:19:20,064 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:19:20,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:19:20,312 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:19:20,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20 WrapperNode [2019-11-07 04:19:20,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:19:20,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:19:20,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:19:20,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:19:20,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20" (1/1) ... [2019-11-07 04:19:20,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20" (1/1) ... [2019-11-07 04:19:20,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20" (1/1) ... [2019-11-07 04:19:20,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20" (1/1) ... [2019-11-07 04:19:20,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20" (1/1) ... [2019-11-07 04:19:20,461 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20" (1/1) ... [2019-11-07 04:19:20,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20" (1/1) ... [2019-11-07 04:19:20,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:19:20,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:19:20,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:19:20,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:19:20,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20" (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 [2019-11-07 04:19:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:19:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:19:20,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:19:20,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:19:20,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:19:20,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:19:20,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:19:20,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:19:20,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:19:20,589 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:19:20,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:19:20,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:19:20,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:19:20,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:19:20,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:19:20,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:19:20,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:19:20,595 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:19:20,595 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:19:20,596 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:19:20,597 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:19:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:19:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:19:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:19:20,598 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:19:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:19:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:19:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:19:20,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:19:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:19:20,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:19:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:19:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:19:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:19:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:19:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:19:20,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:19:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:19:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:19:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:19:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:19:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:19:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:19:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:19:20,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:19:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:19:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:19:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:19:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:19:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:19:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:19:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:19:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:19:20,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:19:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:19:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:19:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:19:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:19:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:19:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:19:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:19:20,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:19:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:19:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:19:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:19:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:19:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:19:20,606 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:19:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:19:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:19:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:19:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:19:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:19:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:19:20,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:19:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:19:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:19:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:19:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-11-07 04:19:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:19:20,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:19:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:19:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:19:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:19:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:19:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:19:20,609 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:19:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:19:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 04:19:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:19:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:19:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:19:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:19:20,610 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:19:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:19:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:19:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:19:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:19:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:19:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:19:20,611 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:19:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:19:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:19:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:19:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:19:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:19:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:19:20,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:19:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-11-07 04:19:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 04:19:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:19:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:19:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:19:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:19:20,613 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:19:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:19:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:19:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:19:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:19:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:19:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:19:20,614 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:19:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:19:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:19:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:19:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:19:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:19:20,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:19:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:19:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:19:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:19:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:19:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:19:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:19:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:19:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:19:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:19:20,617 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:19:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:19:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:19:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:19:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:19:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:19:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:19:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:19:20,619 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:19:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:19:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:19:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:19:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:19:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:19:20,620 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:19:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:19:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:19:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:19:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:19:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:19:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:19:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:19:20,621 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:19:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:19:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:19:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:19:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:19:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:19:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:19:20,622 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:19:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:19:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:19:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:19:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:19:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:19:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:19:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:19:20,623 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:19:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:19:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:19:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:19:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:19:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:19:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:19:20,624 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:19:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:19:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:19:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:19:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:19:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:19:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:19:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:19:20,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:19:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:19:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:19:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:19:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:19:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:19:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:19:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:19:20,626 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:19:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:19:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:19:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:19:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:19:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-11-07 04:19:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:19:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:19:20,627 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:19:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:19:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:19:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:19:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:19:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:19:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:19:20,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:19:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:19:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:19:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:19:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:19:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:19:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:19:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:19:20,629 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:19:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:19:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:19:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:19:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:19:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:19:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:19:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:19:20,630 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:19:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:19:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:19:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:19:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:19:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 04:19:20,631 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:19:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:19:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:19:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:19:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:19:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-11-07 04:19:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 04:19:20,632 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:19:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:19:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:19:20,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:19:24,959 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:19:24,959 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:19:24,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:19:24 BoogieIcfgContainer [2019-11-07 04:19:24,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:19:24,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:19:24,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:19:24,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:19:24,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:19:19" (1/3) ... [2019-11-07 04:19:24,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23faf1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:19:24, skipping insertion in model container [2019-11-07 04:19:24,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:19:20" (2/3) ... [2019-11-07 04:19:24,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23faf1b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:19:24, skipping insertion in model container [2019-11-07 04:19:24,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:19:24" (3/3) ... [2019-11-07 04:19:24,971 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product31.cil.c [2019-11-07 04:19:24,982 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:19:24,995 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:19:25,007 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:19:25,050 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:19:25,053 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:19:25,053 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:19:25,054 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:19:25,054 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:19:25,054 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:19:25,054 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:19:25,055 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:19:25,094 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states. [2019-11-07 04:19:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-07 04:19:25,128 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:25,130 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:25,132 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:25,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:25,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1511450814, now seen corresponding path program 1 times [2019-11-07 04:19:25,149 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:25,150 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411121172] [2019-11-07 04:19:25,150 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:25,899 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:25,900 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411121172] [2019-11-07 04:19:25,901 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:25,901 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:19:25,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405085931] [2019-11-07 04:19:25,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:19:25,911 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:25,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:19:25,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:19:25,928 INFO L87 Difference]: Start difference. First operand 412 states. Second operand 2 states. [2019-11-07 04:19:26,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:26,043 INFO L93 Difference]: Finished difference Result 632 states and 755 transitions. [2019-11-07 04:19:26,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:19:26,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 167 [2019-11-07 04:19:26,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:26,084 INFO L225 Difference]: With dead ends: 632 [2019-11-07 04:19:26,085 INFO L226 Difference]: Without dead ends: 391 [2019-11-07 04:19:26,091 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:19:26,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-11-07 04:19:26,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2019-11-07 04:19:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-11-07 04:19:26,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 463 transitions. [2019-11-07 04:19:26,177 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 463 transitions. Word has length 167 [2019-11-07 04:19:26,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:26,179 INFO L462 AbstractCegarLoop]: Abstraction has 391 states and 463 transitions. [2019-11-07 04:19:26,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:19:26,179 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 463 transitions. [2019-11-07 04:19:26,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-07 04:19:26,184 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:26,185 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:26,185 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:26,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:26,185 INFO L82 PathProgramCache]: Analyzing trace with hash -436654515, now seen corresponding path program 1 times [2019-11-07 04:19:26,186 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:26,186 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125415446] [2019-11-07 04:19:26,186 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:26,468 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:26,469 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125415446] [2019-11-07 04:19:26,469 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:26,469 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:26,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928733458] [2019-11-07 04:19:26,473 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:26,473 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:26,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:26,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:26,474 INFO L87 Difference]: Start difference. First operand 391 states and 463 transitions. Second operand 3 states. [2019-11-07 04:19:26,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:26,558 INFO L93 Difference]: Finished difference Result 617 states and 721 transitions. [2019-11-07 04:19:26,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:26,560 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-11-07 04:19:26,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:26,567 INFO L225 Difference]: With dead ends: 617 [2019-11-07 04:19:26,567 INFO L226 Difference]: Without dead ends: 393 [2019-11-07 04:19:26,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:26,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-11-07 04:19:26,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2019-11-07 04:19:26,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2019-11-07 04:19:26,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 465 transitions. [2019-11-07 04:19:26,632 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 465 transitions. Word has length 168 [2019-11-07 04:19:26,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:26,633 INFO L462 AbstractCegarLoop]: Abstraction has 393 states and 465 transitions. [2019-11-07 04:19:26,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:26,633 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 465 transitions. [2019-11-07 04:19:26,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-07 04:19:26,636 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:26,636 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:26,636 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:26,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:26,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1469855177, now seen corresponding path program 1 times [2019-11-07 04:19:26,637 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:26,637 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802963659] [2019-11-07 04:19:26,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:19:26,859 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802963659] [2019-11-07 04:19:26,859 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:26,859 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:19:26,861 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411892317] [2019-11-07 04:19:26,863 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:19:26,863 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:26,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:19:26,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:26,864 INFO L87 Difference]: Start difference. First operand 393 states and 465 transitions. Second operand 3 states. [2019-11-07 04:19:26,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:26,917 INFO L93 Difference]: Finished difference Result 768 states and 937 transitions. [2019-11-07 04:19:26,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:19:26,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-11-07 04:19:26,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:26,927 INFO L225 Difference]: With dead ends: 768 [2019-11-07 04:19:26,928 INFO L226 Difference]: Without dead ends: 433 [2019-11-07 04:19:26,930 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:19:26,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-11-07 04:19:26,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2019-11-07 04:19:26,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-11-07 04:19:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 533 transitions. [2019-11-07 04:19:26,968 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 533 transitions. Word has length 173 [2019-11-07 04:19:26,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:26,970 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 533 transitions. [2019-11-07 04:19:26,970 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:19:26,970 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 533 transitions. [2019-11-07 04:19:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-07 04:19:26,976 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:26,977 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:26,977 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:26,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:26,978 INFO L82 PathProgramCache]: Analyzing trace with hash 883792554, now seen corresponding path program 1 times [2019-11-07 04:19:26,978 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:26,978 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902028194] [2019-11-07 04:19:26,982 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:19:27,737 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902028194] [2019-11-07 04:19:27,737 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:27,737 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-11-07 04:19:27,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639347819] [2019-11-07 04:19:27,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-11-07 04:19:27,739 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:27,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-11-07 04:19:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2019-11-07 04:19:27,742 INFO L87 Difference]: Start difference. First operand 432 states and 533 transitions. Second operand 26 states. [2019-11-07 04:19:35,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:35,912 INFO L93 Difference]: Finished difference Result 944 states and 1157 transitions. [2019-11-07 04:19:35,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-11-07 04:19:35,912 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 174 [2019-11-07 04:19:35,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:35,917 INFO L225 Difference]: With dead ends: 944 [2019-11-07 04:19:35,918 INFO L226 Difference]: Without dead ends: 720 [2019-11-07 04:19:35,920 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=167, Invalid=1813, Unknown=0, NotChecked=0, Total=1980 [2019-11-07 04:19:35,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2019-11-07 04:19:35,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 691. [2019-11-07 04:19:35,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 691 states. [2019-11-07 04:19:35,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 691 states and 849 transitions. [2019-11-07 04:19:35,985 INFO L78 Accepts]: Start accepts. Automaton has 691 states and 849 transitions. Word has length 174 [2019-11-07 04:19:35,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:35,986 INFO L462 AbstractCegarLoop]: Abstraction has 691 states and 849 transitions. [2019-11-07 04:19:35,986 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-11-07 04:19:35,986 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 849 transitions. [2019-11-07 04:19:35,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-07 04:19:35,990 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:35,990 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:35,990 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:35,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:35,991 INFO L82 PathProgramCache]: Analyzing trace with hash 169801516, now seen corresponding path program 1 times [2019-11-07 04:19:35,991 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:35,991 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83595527] [2019-11-07 04:19:35,991 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:36,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:36,203 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:19:36,204 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83595527] [2019-11-07 04:19:36,204 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:36,204 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:19:36,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900845492] [2019-11-07 04:19:36,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:19:36,206 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:36,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:19:36,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:19:36,207 INFO L87 Difference]: Start difference. First operand 691 states and 849 transitions. Second operand 10 states. [2019-11-07 04:19:36,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:36,289 INFO L93 Difference]: Finished difference Result 1148 states and 1395 transitions. [2019-11-07 04:19:36,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:19:36,290 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 178 [2019-11-07 04:19:36,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:36,299 INFO L225 Difference]: With dead ends: 1148 [2019-11-07 04:19:36,299 INFO L226 Difference]: Without dead ends: 711 [2019-11-07 04:19:36,301 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:19:36,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2019-11-07 04:19:36,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 695. [2019-11-07 04:19:36,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2019-11-07 04:19:36,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 853 transitions. [2019-11-07 04:19:36,345 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 853 transitions. Word has length 178 [2019-11-07 04:19:36,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:36,345 INFO L462 AbstractCegarLoop]: Abstraction has 695 states and 853 transitions. [2019-11-07 04:19:36,345 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:19:36,346 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 853 transitions. [2019-11-07 04:19:36,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-11-07 04:19:36,349 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:36,350 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:36,350 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:36,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:36,350 INFO L82 PathProgramCache]: Analyzing trace with hash -185600056, now seen corresponding path program 1 times [2019-11-07 04:19:36,350 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:36,351 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213000859] [2019-11-07 04:19:36,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:36,797 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2019-11-07 04:19:37,361 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:19:37,362 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213000859] [2019-11-07 04:19:37,362 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:37,362 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2019-11-07 04:19:37,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059666828] [2019-11-07 04:19:37,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-11-07 04:19:37,363 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:37,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-11-07 04:19:37,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2019-11-07 04:19:37,364 INFO L87 Difference]: Start difference. First operand 695 states and 853 transitions. Second operand 31 states. [2019-11-07 04:19:49,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:19:49,920 INFO L93 Difference]: Finished difference Result 1686 states and 2037 transitions. [2019-11-07 04:19:49,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-11-07 04:19:49,920 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 180 [2019-11-07 04:19:49,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:19:49,928 INFO L225 Difference]: With dead ends: 1686 [2019-11-07 04:19:49,928 INFO L226 Difference]: Without dead ends: 1196 [2019-11-07 04:19:49,932 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=295, Invalid=3487, Unknown=0, NotChecked=0, Total=3782 [2019-11-07 04:19:49,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1196 states. [2019-11-07 04:19:50,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1196 to 1179. [2019-11-07 04:19:50,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2019-11-07 04:19:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 1426 transitions. [2019-11-07 04:19:50,011 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 1426 transitions. Word has length 180 [2019-11-07 04:19:50,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:19:50,014 INFO L462 AbstractCegarLoop]: Abstraction has 1179 states and 1426 transitions. [2019-11-07 04:19:50,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-11-07 04:19:50,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1426 transitions. [2019-11-07 04:19:50,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-07 04:19:50,019 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:19:50,019 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:19:50,019 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:19:50,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:19:50,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1099163062, now seen corresponding path program 1 times [2019-11-07 04:19:50,020 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:19:50,020 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109196362] [2019-11-07 04:19:50,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:19:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:19:50,666 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 04:19:50,666 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109196362] [2019-11-07 04:19:50,666 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:19:50,666 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-11-07 04:19:50,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101409480] [2019-11-07 04:19:50,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-11-07 04:19:50,667 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:19:50,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-11-07 04:19:50,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2019-11-07 04:19:50,668 INFO L87 Difference]: Start difference. First operand 1179 states and 1426 transitions. Second operand 25 states.