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_spec0_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:06:41,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:06:41,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:06:41,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:06:41,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:06:41,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:06:41,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:06:41,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:06:41,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:06:41,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:06:41,823 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:06:41,824 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:06:41,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:06:41,828 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:06:41,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:06:41,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:06:41,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:06:41,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:06:41,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:06:41,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:06:41,846 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:06:41,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:06:41,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:06:41,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:06:41,853 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:06:41,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:06:41,854 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:06:41,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:06:41,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:06:41,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:06:41,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:06:41,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:06:41,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:06:41,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:06:41,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:06:41,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:06:41,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:06:41,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:06:41,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:06:41,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:06:41,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:06:41,873 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 23:06:41,895 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:06:41,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:06:41,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:06:41,898 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:06:41,898 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:06:41,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:06:41,898 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:06:41,899 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:06:41,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:06:41,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:06:41,900 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:06:41,900 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:06:41,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:06:41,901 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:06:41,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:06:41,901 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:06:41,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:06:41,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:06:41,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:06:41,902 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:06:41,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:06:41,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:06:41,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:06:41,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:06:41,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:06:41,903 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:06:41,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:06:41,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:06:41,904 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 23:06:42,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:06:42,234 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:06:42,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:06:42,239 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:06:42,240 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:06:42,240 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_productSimulator.cil.c [2019-10-13 23:06:42,315 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0011e205a/e5ab7a1f490646d7afe0adcb4958648d/FLAG4cac68027 [2019-10-13 23:06:43,079 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:06:43,080 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_productSimulator.cil.c [2019-10-13 23:06:43,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0011e205a/e5ab7a1f490646d7afe0adcb4958648d/FLAG4cac68027 [2019-10-13 23:06:43,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0011e205a/e5ab7a1f490646d7afe0adcb4958648d [2019-10-13 23:06:43,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:06:43,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:06:43,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:06:43,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:06:43,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:06:43,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:06:43" (1/1) ... [2019-10-13 23:06:43,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dd28435 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:43, skipping insertion in model container [2019-10-13 23:06:43,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:06:43" (1/1) ... [2019-10-13 23:06:43,210 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:06:43,292 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:06:44,033 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:06:44,058 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:06:44,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:06:44,428 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:06:44,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44 WrapperNode [2019-10-13 23:06:44,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:06:44,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:06:44,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:06:44,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:06:44,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44" (1/1) ... [2019-10-13 23:06:44,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44" (1/1) ... [2019-10-13 23:06:44,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44" (1/1) ... [2019-10-13 23:06:44,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44" (1/1) ... [2019-10-13 23:06:44,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44" (1/1) ... [2019-10-13 23:06:44,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44" (1/1) ... [2019-10-13 23:06:44,677 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44" (1/1) ... [2019-10-13 23:06:44,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:06:44,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:06:44,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:06:44,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:06:44,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44" (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 23:06:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:06:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:06:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:06:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:06:44,797 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:06:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:06:44,799 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:06:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:06:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-13 23:06:44,800 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-13 23:06:44,801 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-13 23:06:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-13 23:06:44,802 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-13 23:06:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-13 23:06:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:06:44,803 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:06:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-13 23:06:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-13 23:06:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-13 23:06:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-13 23:06:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-13 23:06:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-13 23:06:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-13 23:06:44,809 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-13 23:06:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:06:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:06:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:06:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:06:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:06:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:06:44,811 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:06:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:06:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:06:44,812 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:06:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:06:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:06:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:06:44,813 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:06:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:06:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:06:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:06:44,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:06:44,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:06:44,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:06:44,815 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:06:44,815 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:06:44,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:06:44,816 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:06:44,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:06:44,816 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:06:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:06:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:06:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:06:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:06:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:06:44,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:06:44,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:06:44,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:06:44,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:06:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:06:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:06:44,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:06:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:06:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:06:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:06:44,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:06:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:06:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:06:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:06:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:06:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:06:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:06:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:06:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:06:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:06:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:06:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:06:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:06:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:06:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:06:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:06:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:06:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:06:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:06:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:06:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:06:44,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:06:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:06:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:06:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:06:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-13 23:06:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-13 23:06:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:06:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-13 23:06:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-13 23:06:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:06:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-13 23:06:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-13 23:06:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:06:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:06:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:06:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:06:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:06:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:06:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:06:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:06:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:06:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:06:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:06:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:06:44,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:06:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:06:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:06:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:06:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:06:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:06:44,858 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-13 23:06:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-13 23:06:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-13 23:06:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-13 23:06:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-13 23:06:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-13 23:06:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-13 23:06:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:06:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-13 23:06:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-13 23:06:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:06:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:06:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:06:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:06:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:06:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:06:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:06:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:06:44,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:06:44,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:06:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:06:44,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:06:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:06:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:06:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:06:44,870 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:06:44,871 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:06:44,872 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:06:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:06:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:06:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:06:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:06:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:06:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:06:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:06:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:06:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:06:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:06:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:06:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:06:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:06:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:06:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:06:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:06:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:06:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:06:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:06:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:06:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:06:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:06:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:06:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:06:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:06:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:06:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:06:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:06:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:06:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:06:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:06:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:06:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:06:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:06:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:06:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:06:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:06:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:06:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:06:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:06:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:06:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:06:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-13 23:06:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-13 23:06:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-13 23:06:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-13 23:06:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-13 23:06:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-13 23:06:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-13 23:06:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-13 23:06:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-13 23:06:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-13 23:06:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-13 23:06:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-13 23:06:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-13 23:06:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-13 23:06:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-13 23:06:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:06:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:06:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:06:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:06:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:06:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:06:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:06:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:06:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:06:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:06:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:06:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:06:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:06:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:06:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:06:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:06:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:06:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:06:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:06:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:06:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:06:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:06:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:06:44,897 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:06:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:06:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:06:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:06:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:06:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:06:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:06:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:06:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:06:44,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:06:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:06:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:06:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:06:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:06:44,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:06:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:06:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:06:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:06:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:06:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:06:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:06:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:06:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:06:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:06:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:06:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:06:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:06:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-13 23:06:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-13 23:06:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-13 23:06:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-13 23:06:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-13 23:06:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-13 23:06:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:06:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-13 23:06:44,905 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-13 23:06:44,906 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-13 23:06:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-13 23:06:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-13 23:06:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-13 23:06:44,912 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-13 23:06:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-13 23:06:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:06:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:06:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:06:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:06:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:06:44,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:06:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:06:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:06:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:06:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:06:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:06:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:06:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:06:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:06:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:06:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:06:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:06:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:06:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:06:50,194 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:06:50,194 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:06:50,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:06:50 BoogieIcfgContainer [2019-10-13 23:06:50,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:06:50,197 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:06:50,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:06:50,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:06:50,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:06:43" (1/3) ... [2019-10-13 23:06:50,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b35137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:06:50, skipping insertion in model container [2019-10-13 23:06:50,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:44" (2/3) ... [2019-10-13 23:06:50,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b35137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:06:50, skipping insertion in model container [2019-10-13 23:06:50,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:06:50" (3/3) ... [2019-10-13 23:06:50,205 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2019-10-13 23:06:50,216 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:06:50,227 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:06:50,239 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:06:50,279 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:06:50,279 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:06:50,279 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:06:50,279 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:06:50,279 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:06:50,280 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:06:50,280 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:06:50,280 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:06:50,322 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2019-10-13 23:06:50,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-13 23:06:50,364 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:50,366 INFO L380 BasicCegarLoop]: trace histogram [8, 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] [2019-10-13 23:06:50,368 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:50,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:50,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1658380332, now seen corresponding path program 1 times [2019-10-13 23:06:50,382 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:50,382 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318112301] [2019-10-13 23:06:50,383 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:50,383 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:50,383 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:51,145 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-13 23:06:51,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318112301] [2019-10-13 23:06:51,147 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:51,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:06:51,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018832376] [2019-10-13 23:06:51,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:06:51,153 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:51,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:06:51,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:06:51,171 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2019-10-13 23:06:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:51,408 INFO L93 Difference]: Finished difference Result 1130 states and 1425 transitions. [2019-10-13 23:06:51,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:06:51,412 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 188 [2019-10-13 23:06:51,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:51,454 INFO L225 Difference]: With dead ends: 1130 [2019-10-13 23:06:51,454 INFO L226 Difference]: Without dead ends: 577 [2019-10-13 23:06:51,469 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 23:06:51,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-13 23:06:51,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-13 23:06:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-13 23:06:51,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 710 transitions. [2019-10-13 23:06:51,589 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 710 transitions. Word has length 188 [2019-10-13 23:06:51,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:51,591 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 710 transitions. [2019-10-13 23:06:51,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:06:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 710 transitions. [2019-10-13 23:06:51,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-13 23:06:51,598 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:51,599 INFO L380 BasicCegarLoop]: trace histogram [8, 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] [2019-10-13 23:06:51,599 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:51,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:51,600 INFO L82 PathProgramCache]: Analyzing trace with hash 171863450, now seen corresponding path program 1 times [2019-10-13 23:06:51,600 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:51,600 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883237614] [2019-10-13 23:06:51,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:51,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:51,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:52,012 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-13 23:06:52,012 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883237614] [2019-10-13 23:06:52,013 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:52,013 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:06:52,013 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473819040] [2019-10-13 23:06:52,015 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:06:52,016 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:52,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:06:52,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:06:52,016 INFO L87 Difference]: Start difference. First operand 577 states and 710 transitions. Second operand 3 states. [2019-10-13 23:06:52,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:52,056 INFO L93 Difference]: Finished difference Result 908 states and 1103 transitions. [2019-10-13 23:06:52,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:06:52,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-13 23:06:52,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:52,063 INFO L225 Difference]: With dead ends: 908 [2019-10-13 23:06:52,063 INFO L226 Difference]: Without dead ends: 579 [2019-10-13 23:06:52,066 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 23:06:52,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-13 23:06:52,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-13 23:06:52,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-13 23:06:52,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 712 transitions. [2019-10-13 23:06:52,113 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 712 transitions. Word has length 194 [2019-10-13 23:06:52,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:52,115 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 712 transitions. [2019-10-13 23:06:52,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:06:52,115 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 712 transitions. [2019-10-13 23:06:52,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-13 23:06:52,125 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:52,125 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:06:52,125 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:52,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:52,126 INFO L82 PathProgramCache]: Analyzing trace with hash -965390985, now seen corresponding path program 1 times [2019-10-13 23:06:52,126 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:52,126 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569079461] [2019-10-13 23:06:52,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:52,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:52,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-13 23:06:52,581 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569079461] [2019-10-13 23:06:52,581 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:52,581 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:06:52,581 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532029725] [2019-10-13 23:06:52,582 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:06:52,582 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:52,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:06:52,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:06:52,583 INFO L87 Difference]: Start difference. First operand 579 states and 712 transitions. Second operand 4 states. [2019-10-13 23:06:54,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:54,107 INFO L93 Difference]: Finished difference Result 1638 states and 2074 transitions. [2019-10-13 23:06:54,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:06:54,107 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2019-10-13 23:06:54,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:54,120 INFO L225 Difference]: With dead ends: 1638 [2019-10-13 23:06:54,120 INFO L226 Difference]: Without dead ends: 1092 [2019-10-13 23:06:54,123 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 23:06:54,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-10-13 23:06:54,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1089. [2019-10-13 23:06:54,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2019-10-13 23:06:54,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1323 transitions. [2019-10-13 23:06:54,203 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1323 transitions. Word has length 200 [2019-10-13 23:06:54,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:54,204 INFO L462 AbstractCegarLoop]: Abstraction has 1089 states and 1323 transitions. [2019-10-13 23:06:54,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:06:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1323 transitions. [2019-10-13 23:06:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-13 23:06:54,210 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:54,210 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:06:54,210 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:54,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:54,211 INFO L82 PathProgramCache]: Analyzing trace with hash 627214336, now seen corresponding path program 1 times [2019-10-13 23:06:54,211 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:54,211 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104333056] [2019-10-13 23:06:54,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:54,212 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:54,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:54,581 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-13 23:06:54,582 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104333056] [2019-10-13 23:06:54,582 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:54,582 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-13 23:06:54,582 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479021114] [2019-10-13 23:06:54,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 23:06:54,583 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:54,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 23:06:54,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:06:54,584 INFO L87 Difference]: Start difference. First operand 1089 states and 1323 transitions. Second operand 11 states. [2019-10-13 23:06:54,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:54,727 INFO L93 Difference]: Finished difference Result 1092 states and 1325 transitions. [2019-10-13 23:06:54,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 23:06:54,728 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2019-10-13 23:06:54,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:54,733 INFO L225 Difference]: With dead ends: 1092 [2019-10-13 23:06:54,733 INFO L226 Difference]: Without dead ends: 577 [2019-10-13 23:06:54,735 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:06:54,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-13 23:06:54,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-13 23:06:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-13 23:06:54,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 701 transitions. [2019-10-13 23:06:54,764 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 701 transitions. Word has length 194 [2019-10-13 23:06:54,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:54,765 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 701 transitions. [2019-10-13 23:06:54,765 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 23:06:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 701 transitions. [2019-10-13 23:06:54,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-13 23:06:54,771 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:54,772 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:54,772 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:54,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:54,773 INFO L82 PathProgramCache]: Analyzing trace with hash -2037449468, now seen corresponding path program 1 times [2019-10-13 23:06:54,773 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:54,773 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323823158] [2019-10-13 23:06:54,773 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:54,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:54,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:54,945 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 23:06:54,945 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323823158] [2019-10-13 23:06:54,945 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:54,946 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:06:54,946 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412796655] [2019-10-13 23:06:54,946 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:06:54,947 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:54,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:06:54,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:06:54,947 INFO L87 Difference]: Start difference. First operand 577 states and 701 transitions. Second operand 3 states. [2019-10-13 23:06:55,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:55,123 INFO L93 Difference]: Finished difference Result 1117 states and 1371 transitions. [2019-10-13 23:06:55,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:06:55,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-10-13 23:06:55,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:55,128 INFO L225 Difference]: With dead ends: 1117 [2019-10-13 23:06:55,128 INFO L226 Difference]: Without dead ends: 576 [2019-10-13 23:06:55,131 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 23:06:55,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-13 23:06:55,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-13 23:06:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-13 23:06:55,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 697 transitions. [2019-10-13 23:06:55,163 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 697 transitions. Word has length 213 [2019-10-13 23:06:55,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:55,163 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 697 transitions. [2019-10-13 23:06:55,164 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:06:55,164 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 697 transitions. [2019-10-13 23:06:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-13 23:06:55,168 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:55,169 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:55,169 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:55,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:55,169 INFO L82 PathProgramCache]: Analyzing trace with hash 842847211, now seen corresponding path program 1 times [2019-10-13 23:06:55,170 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:55,170 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336807496] [2019-10-13 23:06:55,170 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:55,170 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:55,170 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:55,350 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 23:06:55,351 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336807496] [2019-10-13 23:06:55,351 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:55,351 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:06:55,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748864272] [2019-10-13 23:06:55,352 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:06:55,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:55,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:06:55,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:06:55,353 INFO L87 Difference]: Start difference. First operand 576 states and 697 transitions. Second operand 4 states. [2019-10-13 23:06:56,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:56,186 INFO L93 Difference]: Finished difference Result 1091 states and 1319 transitions. [2019-10-13 23:06:56,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:06:56,186 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2019-10-13 23:06:56,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:56,190 INFO L225 Difference]: With dead ends: 1091 [2019-10-13 23:06:56,191 INFO L226 Difference]: Without dead ends: 575 [2019-10-13 23:06:56,193 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 23:06:56,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2019-10-13 23:06:56,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2019-10-13 23:06:56,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-10-13 23:06:56,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 681 transitions. [2019-10-13 23:06:56,226 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 681 transitions. Word has length 221 [2019-10-13 23:06:56,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:56,227 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 681 transitions. [2019-10-13 23:06:56,227 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:06:56,227 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 681 transitions. [2019-10-13 23:06:56,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-13 23:06:56,232 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:56,233 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:56,233 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:56,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:56,234 INFO L82 PathProgramCache]: Analyzing trace with hash 2093372754, now seen corresponding path program 1 times [2019-10-13 23:06:56,234 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:56,234 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310583870] [2019-10-13 23:06:56,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:56,234 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:56,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:56,432 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 23:06:56,433 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310583870] [2019-10-13 23:06:56,433 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:56,433 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:06:56,433 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438482843] [2019-10-13 23:06:56,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:06:56,434 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:56,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:06:56,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:06:56,435 INFO L87 Difference]: Start difference. First operand 575 states and 681 transitions. Second operand 3 states. [2019-10-13 23:06:56,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:56,479 INFO L93 Difference]: Finished difference Result 1096 states and 1330 transitions. [2019-10-13 23:06:56,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:06:56,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-10-13 23:06:56,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:56,484 INFO L225 Difference]: With dead ends: 1096 [2019-10-13 23:06:56,485 INFO L226 Difference]: Without dead ends: 629 [2019-10-13 23:06:56,487 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 23:06:56,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-10-13 23:06:56,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-10-13 23:06:56,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-13 23:06:56,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 768 transitions. [2019-10-13 23:06:56,522 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 768 transitions. Word has length 243 [2019-10-13 23:06:56,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:56,523 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 768 transitions. [2019-10-13 23:06:56,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:06:56,523 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 768 transitions. [2019-10-13 23:06:56,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-10-13 23:06:56,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:56,529 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:06:56,529 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:56,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:56,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1778956638, now seen corresponding path program 1 times [2019-10-13 23:06:56,530 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:56,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635881032] [2019-10-13 23:06:56,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:56,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:56,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:57,849 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-13 23:06:57,849 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635881032] [2019-10-13 23:06:57,849 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:57,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2019-10-13 23:06:57,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638998244] [2019-10-13 23:06:57,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-10-13 23:06:57,851 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:57,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-10-13 23:06:57,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1455, Unknown=0, NotChecked=0, Total=1560 [2019-10-13 23:06:57,853 INFO L87 Difference]: Start difference. First operand 628 states and 768 transitions. Second operand 40 states. [2019-10-13 23:07:16,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:16,859 INFO L93 Difference]: Finished difference Result 1357 states and 1669 transitions. [2019-10-13 23:07:16,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-10-13 23:07:16,860 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 244 [2019-10-13 23:07:16,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:16,870 INFO L225 Difference]: With dead ends: 1357 [2019-10-13 23:07:16,870 INFO L226 Difference]: Without dead ends: 1043 [2019-10-13 23:07:16,874 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=244, Invalid=4046, Unknown=0, NotChecked=0, Total=4290 [2019-10-13 23:07:16,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-10-13 23:07:16,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1028. [2019-10-13 23:07:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2019-10-13 23:07:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1261 transitions. [2019-10-13 23:07:16,935 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1261 transitions. Word has length 244 [2019-10-13 23:07:16,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:16,936 INFO L462 AbstractCegarLoop]: Abstraction has 1028 states and 1261 transitions. [2019-10-13 23:07:16,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-10-13 23:07:16,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1261 transitions. [2019-10-13 23:07:16,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-10-13 23:07:16,942 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:16,943 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:16,943 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:16,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:16,943 INFO L82 PathProgramCache]: Analyzing trace with hash -2007481284, now seen corresponding path program 1 times [2019-10-13 23:07:16,944 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:16,944 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170472806] [2019-10-13 23:07:16,944 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:16,944 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:16,944 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:17,364 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-13 23:07:17,364 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170472806] [2019-10-13 23:07:17,365 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:17,365 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 23:07:17,366 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550800096] [2019-10-13 23:07:17,367 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 23:07:17,368 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:17,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 23:07:17,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-13 23:07:17,368 INFO L87 Difference]: Start difference. First operand 1028 states and 1261 transitions. Second operand 13 states. [2019-10-13 23:07:17,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:17,479 INFO L93 Difference]: Finished difference Result 1040 states and 1276 transitions. [2019-10-13 23:07:17,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-13 23:07:17,480 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 248 [2019-10-13 23:07:17,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:17,487 INFO L225 Difference]: With dead ends: 1040 [2019-10-13 23:07:17,487 INFO L226 Difference]: Without dead ends: 1037 [2019-10-13 23:07:17,488 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2019-10-13 23:07:17,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2019-10-13 23:07:17,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2019-10-13 23:07:17,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2019-10-13 23:07:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1271 transitions. [2019-10-13 23:07:17,549 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1271 transitions. Word has length 248 [2019-10-13 23:07:17,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:17,551 INFO L462 AbstractCegarLoop]: Abstraction has 1037 states and 1271 transitions. [2019-10-13 23:07:17,551 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 23:07:17,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1271 transitions. [2019-10-13 23:07:17,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-13 23:07:17,557 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:17,558 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:07:17,558 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:17,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:17,558 INFO L82 PathProgramCache]: Analyzing trace with hash -500518119, now seen corresponding path program 1 times [2019-10-13 23:07:17,559 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:17,559 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054939189] [2019-10-13 23:07:17,559 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:17,559 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:17,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat