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_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:14:35,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:14:35,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:14:35,639 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:14:35,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:14:35,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:14:35,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:14:35,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:14:35,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:14:35,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:14:35,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:14:35,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:14:35,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:14:35,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:14:35,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:14:35,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:14:35,653 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:14:35,654 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:14:35,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:14:35,658 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:14:35,659 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:14:35,661 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:14:35,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:14:35,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:14:35,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:14:35,665 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:14:35,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:14:35,667 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:14:35,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:14:35,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:14:35,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:14:35,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:14:35,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:14:35,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:14:35,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:14:35,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:14:35,673 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:14:35,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:14:35,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:14:35,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:14:35,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:14:35,676 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:14:35,691 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:14:35,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:14:35,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:14:35,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:14:35,693 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:14:35,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:14:35,693 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:14:35,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:14:35,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:14:35,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:14:35,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:14:35,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:14:35,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:14:35,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:14:35,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:14:35,695 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:14:35,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:14:35,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:14:35,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:14:35,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:14:35,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:14:35,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:14:35,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:14:35,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:14:35,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:14:35,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:14:35,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:14:35,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:14:35,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:14:36,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:14:36,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:14:36,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:14:36,053 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:14:36,053 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:14:36,054 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-15 03:14:36,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6600d711/9d8b5ca6689841e0a0072117009a4dc8/FLAG836eaacee [2019-10-15 03:14:36,876 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:14:36,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-15 03:14:36,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6600d711/9d8b5ca6689841e0a0072117009a4dc8/FLAG836eaacee [2019-10-15 03:14:36,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c6600d711/9d8b5ca6689841e0a0072117009a4dc8 [2019-10-15 03:14:36,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:14:36,991 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:14:36,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:14:36,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:14:36,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:14:37,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:37,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6063a733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37, skipping insertion in model container [2019-10-15 03:14:37,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:37,013 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:14:37,108 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:14:37,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:14:38,015 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:14:38,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:14:38,393 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:14:38,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38 WrapperNode [2019-10-15 03:14:38,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:14:38,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:14:38,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:14:38,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:14:38,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38" (1/1) ... [2019-10-15 03:14:38,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38" (1/1) ... [2019-10-15 03:14:38,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38" (1/1) ... [2019-10-15 03:14:38,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38" (1/1) ... [2019-10-15 03:14:38,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38" (1/1) ... [2019-10-15 03:14:38,570 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38" (1/1) ... [2019-10-15 03:14:38,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38" (1/1) ... [2019-10-15 03:14:38,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:14:38,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:14:38,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:14:38,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:14:38,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:14:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:14:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:14:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:14:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 03:14:38,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 03:14:38,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 03:14:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 03:14:38,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 03:14:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 03:14:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:14:38,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 03:14:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 03:14:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:14:38,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:14:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:14:38,756 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:14:38,758 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:14:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:14:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:14:38,759 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:14:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:14:38,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:14:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:14:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:14:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:14:38,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:14:38,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:14:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:14:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 03:14:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 03:14:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 03:14:38,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 03:14:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 03:14:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 03:14:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:14:38,764 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:14:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 03:14:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 03:14:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 03:14:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 03:14:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 03:14:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 03:14:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 03:14:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 03:14:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:14:38,766 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:14:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:14:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:14:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:14:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:14:38,767 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:14:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:14:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:14:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:14:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:14:38,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:14:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:14:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:14:38,769 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:14:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:14:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:14:38,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:14:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:14:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:14:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:14:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:14:38,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:14:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:14:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:14:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:14:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:14:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:14:38,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:14:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:14:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:14:38,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:14:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:14:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:14:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:14:38,775 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:14:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:14:38,776 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:14:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:14:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:14:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:14:38,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:14:38,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:14:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:14:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:14:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:14:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:14:38,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:14:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:14:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:14:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:14:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:14:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:14:38,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:14:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:14:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:14:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:14:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:14:38,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:14:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:14:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:14:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:14:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:14:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:14:38,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:14:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 03:14:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 03:14:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:14:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 03:14:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 03:14:38,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:14:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 03:14:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 03:14:38,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:14:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:14:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:14:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:14:38,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:14:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:14:38,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:14:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:14:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:14:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:14:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:14:38,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:14:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:14:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:14:38,788 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:14:38,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:14:38,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:14:38,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:14:38,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:14:38,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:14:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:14:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:14:38,797 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:14:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:14:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:14:38,798 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:14:38,799 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:14:38,804 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:14:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:14:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:14:38,805 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:14:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:14:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:14:38,806 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:14:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:14:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:14:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 03:14:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:14:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 03:14:38,807 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 03:14:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 03:14:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 03:14:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 03:14:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 03:14:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 03:14:38,808 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:14:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:14:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:14:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:14:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:14:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:14:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:14:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:14:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:14:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:14:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:14:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:14:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:14:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:14:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:14:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:14:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:14:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:14:38,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:14:38,847 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:14:38,848 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:14:38,849 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:14:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:14:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:14:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:14:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:14:38,850 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:14:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:14:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:14:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:14:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:14:38,851 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:14:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:14:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:14:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:14:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:14:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 03:14:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 03:14:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 03:14:38,852 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 03:14:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 03:14:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 03:14:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 03:14:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 03:14:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 03:14:38,853 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 03:14:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 03:14:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 03:14:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 03:14:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 03:14:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:14:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:14:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:14:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:14:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:14:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:14:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:14:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:14:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:14:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:14:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:14:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:14:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:14:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:14:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:14:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:14:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:14:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:14:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:14:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:14:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:14:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:14:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:14:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:14:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:14:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:14:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:14:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:14:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:14:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:14:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:14:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:14:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:14:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:14:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:14:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:14:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:14:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:14:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:14:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:14:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:14:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:14:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:14:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:14:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:14:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:14:38,870 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:14:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 03:14:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 03:14:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 03:14:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 03:14:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 03:14:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 03:14:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:14:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:14:38,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:14:43,805 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:14:43,806 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:14:43,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:14:43 BoogieIcfgContainer [2019-10-15 03:14:43,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:14:43,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:14:43,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:14:43,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:14:43,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:14:36" (1/3) ... [2019-10-15 03:14:43,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c4528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:14:43, skipping insertion in model container [2019-10-15 03:14:43,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:38" (2/3) ... [2019-10-15 03:14:43,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27c4528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:14:43, skipping insertion in model container [2019-10-15 03:14:43,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:14:43" (3/3) ... [2019-10-15 03:14:43,817 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2019-10-15 03:14:43,828 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:14:43,837 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:14:43,849 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:14:43,881 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:14:43,881 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:14:43,881 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:14:43,881 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:14:43,881 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:14:43,882 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:14:43,882 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:14:43,882 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:14:43,916 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states. [2019-10-15 03:14:43,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-15 03:14:43,949 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:43,950 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:43,952 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:43,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:43,957 INFO L82 PathProgramCache]: Analyzing trace with hash 1628642802, now seen corresponding path program 1 times [2019-10-15 03:14:43,965 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:43,965 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332019686] [2019-10-15 03:14:43,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:43,966 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:43,966 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:14:44,709 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332019686] [2019-10-15 03:14:44,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:44,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:14:44,711 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890665485] [2019-10-15 03:14:44,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:14:44,718 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:44,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:14:44,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:14:44,735 INFO L87 Difference]: Start difference. First operand 618 states. Second operand 6 states. [2019-10-15 03:14:44,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:44,993 INFO L93 Difference]: Finished difference Result 1158 states and 1464 transitions. [2019-10-15 03:14:44,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:14:44,995 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2019-10-15 03:14:44,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:45,029 INFO L225 Difference]: With dead ends: 1158 [2019-10-15 03:14:45,029 INFO L226 Difference]: Without dead ends: 591 [2019-10-15 03:14:45,037 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:14:45,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2019-10-15 03:14:45,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2019-10-15 03:14:45,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-10-15 03:14:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 730 transitions. [2019-10-15 03:14:45,157 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 730 transitions. Word has length 166 [2019-10-15 03:14:45,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:45,160 INFO L462 AbstractCegarLoop]: Abstraction has 591 states and 730 transitions. [2019-10-15 03:14:45,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:14:45,160 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 730 transitions. [2019-10-15 03:14:45,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 03:14:45,172 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:45,173 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:45,173 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:45,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:45,175 INFO L82 PathProgramCache]: Analyzing trace with hash -719402640, now seen corresponding path program 1 times [2019-10-15 03:14:45,175 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:45,175 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519898359] [2019-10-15 03:14:45,175 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:45,176 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:45,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:14:45,550 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519898359] [2019-10-15 03:14:45,550 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:45,550 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:14:45,551 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088969508] [2019-10-15 03:14:45,557 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:14:45,558 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:45,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:14:45,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:14:45,559 INFO L87 Difference]: Start difference. First operand 591 states and 730 transitions. Second operand 4 states. [2019-10-15 03:14:46,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:46,608 INFO L93 Difference]: Finished difference Result 1144 states and 1434 transitions. [2019-10-15 03:14:46,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:14:46,609 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2019-10-15 03:14:46,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:46,614 INFO L225 Difference]: With dead ends: 1144 [2019-10-15 03:14:46,615 INFO L226 Difference]: Without dead ends: 591 [2019-10-15 03:14:46,618 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:14:46,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2019-10-15 03:14:46,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2019-10-15 03:14:46,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-10-15 03:14:46,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 723 transitions. [2019-10-15 03:14:46,660 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 723 transitions. Word has length 172 [2019-10-15 03:14:46,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:46,662 INFO L462 AbstractCegarLoop]: Abstraction has 591 states and 723 transitions. [2019-10-15 03:14:46,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:14:46,662 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 723 transitions. [2019-10-15 03:14:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-15 03:14:46,668 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:46,668 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:46,669 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:46,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:46,670 INFO L82 PathProgramCache]: Analyzing trace with hash -796029163, now seen corresponding path program 1 times [2019-10-15 03:14:46,670 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:46,670 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877844280] [2019-10-15 03:14:46,670 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:46,671 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:46,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:46,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:14:46,831 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877844280] [2019-10-15 03:14:46,831 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:46,831 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:46,832 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271603920] [2019-10-15 03:14:46,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:46,833 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:46,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:46,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:46,834 INFO L87 Difference]: Start difference. First operand 591 states and 723 transitions. Second operand 3 states. [2019-10-15 03:14:46,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:46,976 INFO L93 Difference]: Finished difference Result 1138 states and 1412 transitions. [2019-10-15 03:14:46,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:46,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-15 03:14:46,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:46,980 INFO L225 Difference]: With dead ends: 1138 [2019-10-15 03:14:46,981 INFO L226 Difference]: Without dead ends: 589 [2019-10-15 03:14:46,982 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:46,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-10-15 03:14:47,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 589. [2019-10-15 03:14:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-10-15 03:14:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 716 transitions. [2019-10-15 03:14:47,014 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 716 transitions. Word has length 185 [2019-10-15 03:14:47,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:47,014 INFO L462 AbstractCegarLoop]: Abstraction has 589 states and 716 transitions. [2019-10-15 03:14:47,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:47,015 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 716 transitions. [2019-10-15 03:14:47,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-15 03:14:47,018 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:47,018 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:47,019 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:47,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:47,019 INFO L82 PathProgramCache]: Analyzing trace with hash 647393044, now seen corresponding path program 1 times [2019-10-15 03:14:47,019 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:47,020 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884287824] [2019-10-15 03:14:47,020 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:47,020 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:47,020 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:47,248 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:14:47,249 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884287824] [2019-10-15 03:14:47,249 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:47,249 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:14:47,250 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141573138] [2019-10-15 03:14:47,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:14:47,251 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:47,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:14:47,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:14:47,252 INFO L87 Difference]: Start difference. First operand 589 states and 716 transitions. Second operand 4 states. [2019-10-15 03:14:48,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:48,099 INFO L93 Difference]: Finished difference Result 1123 states and 1363 transitions. [2019-10-15 03:14:48,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:14:48,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2019-10-15 03:14:48,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:48,103 INFO L225 Difference]: With dead ends: 1123 [2019-10-15 03:14:48,103 INFO L226 Difference]: Without dead ends: 594 [2019-10-15 03:14:48,105 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:14:48,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2019-10-15 03:14:48,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 588. [2019-10-15 03:14:48,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2019-10-15 03:14:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 700 transitions. [2019-10-15 03:14:48,135 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 700 transitions. Word has length 186 [2019-10-15 03:14:48,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:48,136 INFO L462 AbstractCegarLoop]: Abstraction has 588 states and 700 transitions. [2019-10-15 03:14:48,136 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:14:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 700 transitions. [2019-10-15 03:14:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-15 03:14:48,140 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:48,141 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:48,141 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:48,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:48,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1025401524, now seen corresponding path program 1 times [2019-10-15 03:14:48,141 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:48,142 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746438924] [2019-10-15 03:14:48,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:48,142 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:48,142 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:48,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:48,315 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:14:48,316 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746438924] [2019-10-15 03:14:48,316 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:48,316 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:48,317 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440383012] [2019-10-15 03:14:48,317 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:48,317 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:48,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:48,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:48,318 INFO L87 Difference]: Start difference. First operand 588 states and 700 transitions. Second operand 3 states. [2019-10-15 03:14:48,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:48,356 INFO L93 Difference]: Finished difference Result 929 states and 1101 transitions. [2019-10-15 03:14:48,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:48,356 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2019-10-15 03:14:48,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:48,361 INFO L225 Difference]: With dead ends: 929 [2019-10-15 03:14:48,361 INFO L226 Difference]: Without dead ends: 590 [2019-10-15 03:14:48,362 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:48,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-10-15 03:14:48,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-10-15 03:14:48,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-10-15 03:14:48,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 702 transitions. [2019-10-15 03:14:48,394 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 702 transitions. Word has length 207 [2019-10-15 03:14:48,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:48,395 INFO L462 AbstractCegarLoop]: Abstraction has 590 states and 702 transitions. [2019-10-15 03:14:48,395 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:48,396 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 702 transitions. [2019-10-15 03:14:48,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-15 03:14:48,399 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:48,400 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:48,400 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:48,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:48,400 INFO L82 PathProgramCache]: Analyzing trace with hash 81128318, now seen corresponding path program 1 times [2019-10-15 03:14:48,401 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:48,401 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199634337] [2019-10-15 03:14:48,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:48,401 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:48,401 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-15 03:14:48,641 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199634337] [2019-10-15 03:14:48,642 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:48,642 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:48,642 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065596409] [2019-10-15 03:14:48,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:48,643 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:48,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:48,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:48,644 INFO L87 Difference]: Start difference. First operand 590 states and 702 transitions. Second operand 3 states. [2019-10-15 03:14:48,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:48,684 INFO L93 Difference]: Finished difference Result 1126 states and 1372 transitions. [2019-10-15 03:14:48,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:48,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-10-15 03:14:48,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:48,690 INFO L225 Difference]: With dead ends: 1126 [2019-10-15 03:14:48,690 INFO L226 Difference]: Without dead ends: 644 [2019-10-15 03:14:48,692 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:48,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2019-10-15 03:14:48,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 643. [2019-10-15 03:14:48,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2019-10-15 03:14:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 789 transitions. [2019-10-15 03:14:48,737 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 789 transitions. Word has length 214 [2019-10-15 03:14:48,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:48,737 INFO L462 AbstractCegarLoop]: Abstraction has 643 states and 789 transitions. [2019-10-15 03:14:48,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:48,738 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 789 transitions. [2019-10-15 03:14:48,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-15 03:14:48,742 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:48,742 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:48,742 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:48,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:48,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1459539024, now seen corresponding path program 1 times [2019-10-15 03:14:48,743 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:48,743 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651350128] [2019-10-15 03:14:48,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:48,743 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:48,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:49,617 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:14:49,618 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651350128] [2019-10-15 03:14:49,618 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:49,618 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-15 03:14:49,619 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109377442] [2019-10-15 03:14:49,620 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-15 03:14:49,620 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:49,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-15 03:14:49,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:14:49,622 INFO L87 Difference]: Start difference. First operand 643 states and 789 transitions. Second operand 30 states.