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-f4eb214f-m [2019-10-13 23:09:54,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:09:54,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:09:54,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:09:54,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:09:54,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:09:54,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:09:54,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:09:54,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:09:54,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:09:54,790 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:09:54,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:09:54,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:09:54,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:09:54,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:09:54,794 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:09:54,795 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:09:54,796 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:09:54,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:09:54,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:09:54,801 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:09:54,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:09:54,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:09:54,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:09:54,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:09:54,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:09:54,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:09:54,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:09:54,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:09:54,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:09:54,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:09:54,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:09:54,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:09:54,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:09:54,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:09:54,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:09:54,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:09:54,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:09:54,814 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:09:54,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:09:54,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:09:54,819 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:09:54,836 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:09:54,837 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:09:54,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:09:54,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:09:54,842 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:09:54,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:09:54,844 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:09:54,845 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:09:54,845 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:09:54,845 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:09:54,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:09:54,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:09:54,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:09:54,847 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:09:54,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:09:54,847 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:09:54,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:09:54,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:09:54,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:09:54,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:09:54,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:09:54,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:09:54,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:09:54,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:09:54,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:09:54,850 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:09:54,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:09:54,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:09:54,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:09:55,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:09:55,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:09:55,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:09:55,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:09:55,171 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:09:55,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-13 23:09:55,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/514409fea/7db5cdfbf0fa4d85a6657dc4c36a76f8/FLAGabfab8ee7 [2019-10-13 23:09:55,909 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:09:55,910 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-13 23:09:55,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/514409fea/7db5cdfbf0fa4d85a6657dc4c36a76f8/FLAGabfab8ee7 [2019-10-13 23:09:56,048 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/514409fea/7db5cdfbf0fa4d85a6657dc4c36a76f8 [2019-10-13 23:09:56,061 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:09:56,063 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:09:56,064 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:56,064 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:09:56,068 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:09:56,069 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:56" (1/1) ... [2019-10-13 23:09:56,071 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aef2232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:56, skipping insertion in model container [2019-10-13 23:09:56,072 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:09:56" (1/1) ... [2019-10-13 23:09:56,080 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:09:56,160 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:09:57,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:57,090 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:09:57,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:09:57,436 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:09:57,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57 WrapperNode [2019-10-13 23:09:57,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:09:57,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:09:57,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:09:57,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:09:57,454 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... [2019-10-13 23:09:57,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:09:57,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:09:57,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:09:57,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:09:57,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:09:57,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:09:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:09:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:57,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-13 23:09:57,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-13 23:09:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-13 23:09:57,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-13 23:09:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-13 23:09:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-13 23:09:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:09:57,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-13 23:09:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-13 23:09:57,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:09:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:09:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:09:57,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:09:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:09:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:09:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:09:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:09:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:09:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:09:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:09:57,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:09:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:09:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-13 23:09:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-13 23:09:57,743 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-13 23:09:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-13 23:09:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-13 23:09:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-13 23:09:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:09:57,744 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:09:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-13 23:09:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-13 23:09:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-13 23:09:57,745 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-13 23:09:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-13 23:09:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-13 23:09:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-13 23:09:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-13 23:09:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:09:57,746 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:09:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:09:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:09:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:09:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:09:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:09:57,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:09:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:09:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:09:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:09:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:09:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:09:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:09:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:09:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:09:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:09:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:09:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:09:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:09:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:09:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:09:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:09:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:09:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:09:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:09:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:09:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:09:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:09:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:09:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:09:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:09:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:09:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:09:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:09:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:09:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:09:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:09:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:09:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:09:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:09:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:09:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:09:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:09:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:09:57,780 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:09:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:09:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:09:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:09:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:09:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:09:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:09:57,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:09:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:09:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:09:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:09:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:09:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:09:57,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:09:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:09:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:09:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:09:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:09:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:09:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:09:57,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-13 23:09:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-13 23:09:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:09:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-13 23:09:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-13 23:09:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:09:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-13 23:09:57,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-13 23:09:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:09:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:09:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:09:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:09:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:09:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:09:57,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:09:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:09:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:09:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:09:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:09:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:09:57,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:09:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:09:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:09:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:09:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:09:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 23:09:57,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 23:09:57,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:09:57,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:09:57,788 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:09:57,788 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:09:57,788 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:09:57,788 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:09:57,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:09:57,789 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:09:57,789 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:09:57,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:09:57,789 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:09:57,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:09:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:09:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:09:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:09:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:09:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:09:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-13 23:09:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:09:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-13 23:09:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-13 23:09:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-13 23:09:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-13 23:09:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-13 23:09:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-13 23:09:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-13 23:09:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:09:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:09:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:09:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:09:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:09:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:09:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:09:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:09:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:09:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:09:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:09:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:09:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:09:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:09:57,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:09:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:09:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:09:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:09:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:09:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:09:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:09:57,794 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:09:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:09:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:09:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:09:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:09:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:09:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:09:57,795 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:09:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:09:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:09:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:09:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:09:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:09:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:09:57,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:09:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:09:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:09:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:09:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:09:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:09:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:09:57,797 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:09:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:09:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:09:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:09:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:09:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:09:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:09:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:09:57,798 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:09:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:09:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:09:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:09:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 23:09:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-13 23:09:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-13 23:09:57,799 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-13 23:09:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-13 23:09:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-13 23:09:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-13 23:09:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-13 23:09:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-13 23:09:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-13 23:09:57,800 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-13 23:09:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-13 23:09:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-13 23:09:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-13 23:09:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-13 23:09:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 23:09:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:09:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:09:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:09:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:09:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:09:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:09:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:09:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:09:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:09:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:09:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:09:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:09:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:09:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:09:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:09:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:09:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:09:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:09:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:09:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:09:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:09:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:09:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:09:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:09:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:09:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:09:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:09:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:09:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:09:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:09:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:09:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:09:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:09:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:09:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:09:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:09:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:09:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:09:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:09:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:09:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:09:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:09:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:09:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:09:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:09:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:09:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-13 23:09:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-13 23:09:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-13 23:09:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-13 23:09:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-13 23:09:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-13 23:09:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:09:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:09:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:10:02,981 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:10:02,981 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:10:02,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:02 BoogieIcfgContainer [2019-10-13 23:10:02,983 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:10:02,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:10:02,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:10:02,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:10:02,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:09:56" (1/3) ... [2019-10-13 23:10:02,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c7874f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:02, skipping insertion in model container [2019-10-13 23:10:02,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:09:57" (2/3) ... [2019-10-13 23:10:02,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c7874f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:10:02, skipping insertion in model container [2019-10-13 23:10:02,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:10:02" (3/3) ... [2019-10-13 23:10:02,994 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2019-10-13 23:10:03,006 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:10:03,020 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:10:03,034 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:10:03,089 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:10:03,089 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:10:03,089 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:10:03,089 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:10:03,090 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:10:03,090 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:10:03,090 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:10:03,090 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:10:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states. [2019-10-13 23:10:03,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-13 23:10:03,180 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:03,181 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] [2019-10-13 23:10:03,183 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:03,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:03,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1628642802, now seen corresponding path program 1 times [2019-10-13 23:10:03,198 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:03,199 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838687428] [2019-10-13 23:10:03,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:03,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:03,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:03,900 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:10:03,901 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838687428] [2019-10-13 23:10:03,902 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:03,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:10:03,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381188603] [2019-10-13 23:10:03,908 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:10:03,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:03,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:10:03,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:10:03,927 INFO L87 Difference]: Start difference. First operand 618 states. Second operand 6 states. [2019-10-13 23:10:04,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:04,148 INFO L93 Difference]: Finished difference Result 1158 states and 1464 transitions. [2019-10-13 23:10:04,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:10:04,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 166 [2019-10-13 23:10:04,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:04,261 INFO L225 Difference]: With dead ends: 1158 [2019-10-13 23:10:04,262 INFO L226 Difference]: Without dead ends: 591 [2019-10-13 23:10:04,276 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 [2019-10-13 23:10:04,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2019-10-13 23:10:04,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2019-10-13 23:10:04,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-10-13 23:10:04,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 730 transitions. [2019-10-13 23:10:04,407 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 730 transitions. Word has length 166 [2019-10-13 23:10:04,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:04,411 INFO L462 AbstractCegarLoop]: Abstraction has 591 states and 730 transitions. [2019-10-13 23:10:04,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:10:04,412 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 730 transitions. [2019-10-13 23:10:04,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-13 23:10:04,424 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:04,424 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] [2019-10-13 23:10:04,425 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:04,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:04,425 INFO L82 PathProgramCache]: Analyzing trace with hash -719402640, now seen corresponding path program 1 times [2019-10-13 23:10:04,426 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:04,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839644743] [2019-10-13 23:10:04,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:04,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:04,427 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:04,741 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:10:04,742 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839644743] [2019-10-13 23:10:04,742 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:04,742 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:10:04,742 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125011564] [2019-10-13 23:10:04,747 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:10:04,748 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:04,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:10:04,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:10:04,749 INFO L87 Difference]: Start difference. First operand 591 states and 730 transitions. Second operand 4 states. [2019-10-13 23:10:05,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:05,872 INFO L93 Difference]: Finished difference Result 1144 states and 1434 transitions. [2019-10-13 23:10:05,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:10:05,873 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 172 [2019-10-13 23:10:05,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:05,889 INFO L225 Difference]: With dead ends: 1144 [2019-10-13 23:10:05,890 INFO L226 Difference]: Without dead ends: 591 [2019-10-13 23:10:05,894 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 [2019-10-13 23:10:05,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 591 states. [2019-10-13 23:10:05,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 591 to 591. [2019-10-13 23:10:05,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-10-13 23:10:05,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 723 transitions. [2019-10-13 23:10:05,978 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 723 transitions. Word has length 172 [2019-10-13 23:10:05,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:05,979 INFO L462 AbstractCegarLoop]: Abstraction has 591 states and 723 transitions. [2019-10-13 23:10:05,979 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:10:05,979 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 723 transitions. [2019-10-13 23:10:05,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-13 23:10:05,988 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:05,988 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] [2019-10-13 23:10:05,990 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:05,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:05,991 INFO L82 PathProgramCache]: Analyzing trace with hash -796029163, now seen corresponding path program 1 times [2019-10-13 23:10:05,991 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:05,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334275608] [2019-10-13 23:10:05,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:05,992 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:06,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:10:06,224 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334275608] [2019-10-13 23:10:06,224 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:06,224 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:06,225 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408118302] [2019-10-13 23:10:06,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:06,227 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:06,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:06,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:06,227 INFO L87 Difference]: Start difference. First operand 591 states and 723 transitions. Second operand 3 states. [2019-10-13 23:10:06,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:06,391 INFO L93 Difference]: Finished difference Result 1138 states and 1412 transitions. [2019-10-13 23:10:06,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:06,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-13 23:10:06,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:06,399 INFO L225 Difference]: With dead ends: 1138 [2019-10-13 23:10:06,399 INFO L226 Difference]: Without dead ends: 589 [2019-10-13 23:10:06,402 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:06,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-10-13 23:10:06,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 589. [2019-10-13 23:10:06,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-10-13 23:10:06,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 716 transitions. [2019-10-13 23:10:06,449 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 716 transitions. Word has length 185 [2019-10-13 23:10:06,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:06,451 INFO L462 AbstractCegarLoop]: Abstraction has 589 states and 716 transitions. [2019-10-13 23:10:06,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:06,451 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 716 transitions. [2019-10-13 23:10:06,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-13 23:10:06,455 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:06,456 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] [2019-10-13 23:10:06,456 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:06,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:06,456 INFO L82 PathProgramCache]: Analyzing trace with hash 647393044, now seen corresponding path program 1 times [2019-10-13 23:10:06,457 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:06,457 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171623918] [2019-10-13 23:10:06,457 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:06,457 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:06,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:10:06,652 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171623918] [2019-10-13 23:10:06,652 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:06,653 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:10:06,653 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211755816] [2019-10-13 23:10:06,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:10:06,654 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:06,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:10:06,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:10:06,654 INFO L87 Difference]: Start difference. First operand 589 states and 716 transitions. Second operand 4 states. [2019-10-13 23:10:07,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:07,421 INFO L93 Difference]: Finished difference Result 1123 states and 1363 transitions. [2019-10-13 23:10:07,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:10:07,422 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 186 [2019-10-13 23:10:07,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:07,427 INFO L225 Difference]: With dead ends: 1123 [2019-10-13 23:10:07,427 INFO L226 Difference]: Without dead ends: 594 [2019-10-13 23:10:07,430 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 [2019-10-13 23:10:07,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2019-10-13 23:10:07,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 588. [2019-10-13 23:10:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2019-10-13 23:10:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 700 transitions. [2019-10-13 23:10:07,467 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 700 transitions. Word has length 186 [2019-10-13 23:10:07,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:07,468 INFO L462 AbstractCegarLoop]: Abstraction has 588 states and 700 transitions. [2019-10-13 23:10:07,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:10:07,468 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 700 transitions. [2019-10-13 23:10:07,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-13 23:10:07,472 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:07,472 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] [2019-10-13 23:10:07,473 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:07,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:07,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1025401524, now seen corresponding path program 1 times [2019-10-13 23:10:07,474 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:07,474 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619420728] [2019-10-13 23:10:07,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:07,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:07,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:07,676 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-13 23:10:07,676 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619420728] [2019-10-13 23:10:07,677 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:07,677 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:07,677 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507026335] [2019-10-13 23:10:07,678 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:07,678 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:07,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:07,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:07,679 INFO L87 Difference]: Start difference. First operand 588 states and 700 transitions. Second operand 3 states. [2019-10-13 23:10:07,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:07,717 INFO L93 Difference]: Finished difference Result 929 states and 1101 transitions. [2019-10-13 23:10:07,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:07,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2019-10-13 23:10:07,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:07,722 INFO L225 Difference]: With dead ends: 929 [2019-10-13 23:10:07,722 INFO L226 Difference]: Without dead ends: 590 [2019-10-13 23:10:07,724 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:07,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-10-13 23:10:07,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-10-13 23:10:07,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-10-13 23:10:07,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 702 transitions. [2019-10-13 23:10:07,755 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 702 transitions. Word has length 207 [2019-10-13 23:10:07,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:07,756 INFO L462 AbstractCegarLoop]: Abstraction has 590 states and 702 transitions. [2019-10-13 23:10:07,756 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 702 transitions. [2019-10-13 23:10:07,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-13 23:10:07,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:07,760 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] [2019-10-13 23:10:07,761 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:07,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:07,761 INFO L82 PathProgramCache]: Analyzing trace with hash 81128318, now seen corresponding path program 1 times [2019-10-13 23:10:07,761 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:07,762 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433818285] [2019-10-13 23:10:07,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:07,762 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:07,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-13 23:10:08,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433818285] [2019-10-13 23:10:08,009 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:08,009 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:10:08,009 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800212127] [2019-10-13 23:10:08,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:10:08,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:08,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:10:08,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:08,010 INFO L87 Difference]: Start difference. First operand 590 states and 702 transitions. Second operand 3 states. [2019-10-13 23:10:08,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:10:08,061 INFO L93 Difference]: Finished difference Result 1126 states and 1372 transitions. [2019-10-13 23:10:08,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:10:08,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 214 [2019-10-13 23:10:08,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:10:08,067 INFO L225 Difference]: With dead ends: 1126 [2019-10-13 23:10:08,067 INFO L226 Difference]: Without dead ends: 644 [2019-10-13 23:10:08,069 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:10:08,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2019-10-13 23:10:08,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 643. [2019-10-13 23:10:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2019-10-13 23:10:08,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 789 transitions. [2019-10-13 23:10:08,106 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 789 transitions. Word has length 214 [2019-10-13 23:10:08,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:10:08,107 INFO L462 AbstractCegarLoop]: Abstraction has 643 states and 789 transitions. [2019-10-13 23:10:08,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:10:08,107 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 789 transitions. [2019-10-13 23:10:08,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-13 23:10:08,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:10:08,112 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] [2019-10-13 23:10:08,112 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:10:08,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:10:08,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1459539024, now seen corresponding path program 1 times [2019-10-13 23:10:08,113 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:10:08,113 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395281048] [2019-10-13 23:10:08,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:08,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:10:08,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:10:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:10:08,842 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-13 23:10:08,842 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395281048] [2019-10-13 23:10:08,843 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:10:08,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-13 23:10:08,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687213045] [2019-10-13 23:10:08,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-13 23:10:08,844 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:10:08,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-13 23:10:08,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=798, Unknown=0, NotChecked=0, Total=870 [2019-10-13 23:10:08,845 INFO L87 Difference]: Start difference. First operand 643 states and 789 transitions. Second operand 30 states.