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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec8_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:52,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:52,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:52,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:52,046 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:52,047 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:52,049 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:52,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:52,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:52,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:52,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:52,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:52,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:52,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:52,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:52,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:52,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:52,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:52,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:52,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:52,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:52,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:52,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:52,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:52,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:52,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:52,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:52,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:52,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:52,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:52,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:52,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:52,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:52,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:52,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:52,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:52,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:52,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:52,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:52,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:52,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:52,099 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:55:52,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:52,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:52,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:52,124 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:52,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:52,125 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:52,125 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:52,125 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:52,125 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:52,126 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:52,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:52,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:52,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:52,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:52,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:52,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:52,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:52,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:52,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:52,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:52,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:52,129 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:52,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:52,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:52,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:52,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:52,130 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:52,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:52,130 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:52,130 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:52,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:52,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:52,189 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:52,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:52,191 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:52,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_productSimulator.cil.c [2019-10-03 02:55:52,273 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ebb101e/700475ce46d542d29053c0431fea5bf3/FLAG1309473f0 [2019-10-03 02:55:52,997 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:52,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_productSimulator.cil.c [2019-10-03 02:55:53,029 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ebb101e/700475ce46d542d29053c0431fea5bf3/FLAG1309473f0 [2019-10-03 02:55:53,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87ebb101e/700475ce46d542d29053c0431fea5bf3 [2019-10-03 02:55:53,197 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:53,199 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:53,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:53,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:53,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:53,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:53" (1/1) ... [2019-10-03 02:55:53,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487d837e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:53, skipping insertion in model container [2019-10-03 02:55:53,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:53" (1/1) ... [2019-10-03 02:55:53,216 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:53,291 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:54,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:54,096 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:54,241 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:54,419 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:54,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54 WrapperNode [2019-10-03 02:55:54,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:54,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:54,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:54,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:54,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54" (1/1) ... [2019-10-03 02:55:54,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54" (1/1) ... [2019-10-03 02:55:54,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54" (1/1) ... [2019-10-03 02:55:54,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54" (1/1) ... [2019-10-03 02:55:54,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54" (1/1) ... [2019-10-03 02:55:54,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54" (1/1) ... [2019-10-03 02:55:54,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54" (1/1) ... [2019-10-03 02:55:54,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:54,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:54,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:54,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:54,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54" (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 [2019-10-03 02:55:54,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:54,749 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:54,750 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:54,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:54,752 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:54,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:54,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:54,755 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:54,755 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:54,756 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:54,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:54,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:54,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:54,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:54,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:54,758 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:54,759 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:54,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-03 02:55:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-03 02:55:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-03 02:55:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-03 02:55:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-03 02:55:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-03 02:55:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-03 02:55:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-03 02:55:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:54,768 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:54,769 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-03 02:55:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-03 02:55:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-03 02:55:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-03 02:55:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-03 02:55:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-03 02:55:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-03 02:55:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-03 02:55:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-03 02:55:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-03 02:55:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-03 02:55:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-03 02:55:54,774 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-03 02:55:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-03 02:55:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:55:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:55:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:55:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:55:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:55:54,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-03 02:55:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-03 02:55:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-03 02:55:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-03 02:55:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-03 02:55:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-03 02:55:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:54,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:54,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:54,782 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:54,783 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:54,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:55:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:55:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:55:54,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:54,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:54,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:54,789 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:54,790 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:54,791 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:55:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:54,797 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:55:54,798 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:54,799 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:55:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:54,800 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:54,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:54,827 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:54,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:54,829 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:54,830 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:54,831 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:54,832 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:54,833 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:54,834 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:54,835 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:54,836 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-03 02:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-03 02:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-03 02:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-03 02:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-03 02:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-03 02:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-03 02:55:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-03 02:55:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:55:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:55:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:55:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:55:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:55:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-03 02:55:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-03 02:55:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-03 02:55:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-03 02:55:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-03 02:55:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-03 02:55:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-03 02:55:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-03 02:55:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-03 02:55:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-03 02:55:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-03 02:55:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-03 02:55:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-03 02:55:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-03 02:55:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-03 02:55:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-03 02:55:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-03 02:55:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-03 02:55:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-03 02:55:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-03 02:55:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:54,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:55:57,286 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:55:57,287 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:55:57,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:57 BoogieIcfgContainer [2019-10-03 02:55:57,289 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:55:57,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:55:57,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:55:57,295 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:55:57,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:53" (1/3) ... [2019-10-03 02:55:57,296 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6036291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:57, skipping insertion in model container [2019-10-03 02:55:57,296 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:54" (2/3) ... [2019-10-03 02:55:57,297 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6036291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:57, skipping insertion in model container [2019-10-03 02:55:57,297 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:57" (3/3) ... [2019-10-03 02:55:57,300 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_productSimulator.cil.c [2019-10-03 02:55:57,311 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:55:57,328 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:55:57,347 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:55:57,389 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:55:57,390 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:55:57,390 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:55:57,390 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:55:57,390 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:55:57,390 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:55:57,391 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:55:57,391 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:55:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states. [2019-10-03 02:55:57,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-03 02:55:57,512 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:57,513 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 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] [2019-10-03 02:55:57,515 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:57,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:57,522 INFO L82 PathProgramCache]: Analyzing trace with hash -1272279262, now seen corresponding path program 1 times [2019-10-03 02:55:57,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:57,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:57,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:57,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:57,593 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:58,282 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-03 02:55:58,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:58,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:55:58,287 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:58,293 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:55:58,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:55:58,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:55:58,311 INFO L87 Difference]: Start difference. First operand 818 states. Second operand 6 states. [2019-10-03 02:55:58,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:58,537 INFO L93 Difference]: Finished difference Result 806 states and 1099 transitions. [2019-10-03 02:55:58,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-03 02:55:58,542 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2019-10-03 02:55:58,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:58,583 INFO L225 Difference]: With dead ends: 806 [2019-10-03 02:55:58,583 INFO L226 Difference]: Without dead ends: 789 [2019-10-03 02:55:58,586 INFO L640 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 [2019-10-03 02:55:58,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2019-10-03 02:55:58,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 789. [2019-10-03 02:55:58,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 789 states. [2019-10-03 02:55:58,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1073 transitions. [2019-10-03 02:55:58,736 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1073 transitions. Word has length 170 [2019-10-03 02:55:58,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:58,740 INFO L475 AbstractCegarLoop]: Abstraction has 789 states and 1073 transitions. [2019-10-03 02:55:58,741 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:55:58,741 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1073 transitions. [2019-10-03 02:55:58,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-03 02:55:58,752 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:58,752 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 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] [2019-10-03 02:55:58,753 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:58,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:58,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1687310560, now seen corresponding path program 1 times [2019-10-03 02:55:58,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:58,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:58,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:58,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:58,761 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:58,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:59,134 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-03 02:55:59,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:59,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:55:59,135 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:59,139 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:55:59,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:55:59,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:55:59,140 INFO L87 Difference]: Start difference. First operand 789 states and 1073 transitions. Second operand 4 states. [2019-10-03 02:56:00,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:00,043 INFO L93 Difference]: Finished difference Result 788 states and 1063 transitions. [2019-10-03 02:56:00,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:56:00,047 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 176 [2019-10-03 02:56:00,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:00,057 INFO L225 Difference]: With dead ends: 788 [2019-10-03 02:56:00,057 INFO L226 Difference]: Without dead ends: 788 [2019-10-03 02:56:00,058 INFO L640 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 [2019-10-03 02:56:00,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-10-03 02:56:00,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 788. [2019-10-03 02:56:00,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 788 states. [2019-10-03 02:56:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1063 transitions. [2019-10-03 02:56:00,099 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1063 transitions. Word has length 176 [2019-10-03 02:56:00,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:00,100 INFO L475 AbstractCegarLoop]: Abstraction has 788 states and 1063 transitions. [2019-10-03 02:56:00,100 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:56:00,100 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1063 transitions. [2019-10-03 02:56:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-03 02:56:00,104 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:00,105 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 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] [2019-10-03 02:56:00,105 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:00,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:00,105 INFO L82 PathProgramCache]: Analyzing trace with hash -544519570, now seen corresponding path program 1 times [2019-10-03 02:56:00,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:00,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:00,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:00,110 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:00,111 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:00,357 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-03 02:56:00,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:00,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:00,357 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:00,358 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:00,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:00,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:00,359 INFO L87 Difference]: Start difference. First operand 788 states and 1063 transitions. Second operand 3 states. [2019-10-03 02:56:00,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:00,456 INFO L93 Difference]: Finished difference Result 787 states and 1059 transitions. [2019-10-03 02:56:00,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:00,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-03 02:56:00,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:00,461 INFO L225 Difference]: With dead ends: 787 [2019-10-03 02:56:00,462 INFO L226 Difference]: Without dead ends: 787 [2019-10-03 02:56:00,462 INFO L640 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 [2019-10-03 02:56:00,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2019-10-03 02:56:00,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 787. [2019-10-03 02:56:00,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2019-10-03 02:56:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1059 transitions. [2019-10-03 02:56:00,488 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1059 transitions. Word has length 194 [2019-10-03 02:56:00,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:00,489 INFO L475 AbstractCegarLoop]: Abstraction has 787 states and 1059 transitions. [2019-10-03 02:56:00,489 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:00,489 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1059 transitions. [2019-10-03 02:56:00,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-03 02:56:00,493 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:00,493 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 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] [2019-10-03 02:56:00,494 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:00,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:00,494 INFO L82 PathProgramCache]: Analyzing trace with hash -428530514, now seen corresponding path program 1 times [2019-10-03 02:56:00,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:00,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:00,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:00,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:00,499 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:00,649 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-03 02:56:00,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:00,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-03 02:56:00,650 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:00,650 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-03 02:56:00,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-03 02:56:00,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-03 02:56:00,651 INFO L87 Difference]: Start difference. First operand 787 states and 1059 transitions. Second operand 4 states. [2019-10-03 02:56:01,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:01,446 INFO L93 Difference]: Finished difference Result 784 states and 1042 transitions. [2019-10-03 02:56:01,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-03 02:56:01,446 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2019-10-03 02:56:01,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:01,452 INFO L225 Difference]: With dead ends: 784 [2019-10-03 02:56:01,453 INFO L226 Difference]: Without dead ends: 784 [2019-10-03 02:56:01,453 INFO L640 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 [2019-10-03 02:56:01,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2019-10-03 02:56:01,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2019-10-03 02:56:01,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-10-03 02:56:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1042 transitions. [2019-10-03 02:56:01,487 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1042 transitions. Word has length 195 [2019-10-03 02:56:01,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:01,490 INFO L475 AbstractCegarLoop]: Abstraction has 784 states and 1042 transitions. [2019-10-03 02:56:01,490 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-03 02:56:01,490 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1042 transitions. [2019-10-03 02:56:01,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-03 02:56:01,495 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:01,495 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 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] [2019-10-03 02:56:01,496 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:01,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:01,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1946876725, now seen corresponding path program 1 times [2019-10-03 02:56:01,496 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:01,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:01,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:01,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:01,501 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:01,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-03 02:56:01,701 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:01,702 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:01,702 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:01,702 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:01,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:01,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:01,704 INFO L87 Difference]: Start difference. First operand 784 states and 1042 transitions. Second operand 3 states. [2019-10-03 02:56:01,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:01,742 INFO L93 Difference]: Finished difference Result 787 states and 1045 transitions. [2019-10-03 02:56:01,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:01,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-10-03 02:56:01,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:01,751 INFO L225 Difference]: With dead ends: 787 [2019-10-03 02:56:01,752 INFO L226 Difference]: Without dead ends: 787 [2019-10-03 02:56:01,752 INFO L640 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 [2019-10-03 02:56:01,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2019-10-03 02:56:01,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 786. [2019-10-03 02:56:01,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-10-03 02:56:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1044 transitions. [2019-10-03 02:56:01,795 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1044 transitions. Word has length 222 [2019-10-03 02:56:01,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:01,796 INFO L475 AbstractCegarLoop]: Abstraction has 786 states and 1044 transitions. [2019-10-03 02:56:01,801 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1044 transitions. [2019-10-03 02:56:01,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-03 02:56:01,812 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:01,813 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 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] [2019-10-03 02:56:01,813 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:01,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:01,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1749524217, now seen corresponding path program 1 times [2019-10-03 02:56:01,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:01,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:01,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:01,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:01,824 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:02,141 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-03 02:56:02,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:02,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:02,142 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:02,143 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:02,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:02,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:02,144 INFO L87 Difference]: Start difference. First operand 786 states and 1044 transitions. Second operand 3 states. [2019-10-03 02:56:02,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:02,178 INFO L93 Difference]: Finished difference Result 841 states and 1133 transitions. [2019-10-03 02:56:02,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:02,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2019-10-03 02:56:02,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:02,186 INFO L225 Difference]: With dead ends: 841 [2019-10-03 02:56:02,186 INFO L226 Difference]: Without dead ends: 841 [2019-10-03 02:56:02,187 INFO L640 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 [2019-10-03 02:56:02,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2019-10-03 02:56:02,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 840. [2019-10-03 02:56:02,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2019-10-03 02:56:02,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1132 transitions. [2019-10-03 02:56:02,232 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1132 transitions. Word has length 230 [2019-10-03 02:56:02,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:02,238 INFO L475 AbstractCegarLoop]: Abstraction has 840 states and 1132 transitions. [2019-10-03 02:56:02,238 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:02,238 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1132 transitions. [2019-10-03 02:56:02,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-03 02:56:02,247 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:02,248 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 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] [2019-10-03 02:56:02,248 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:02,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:02,249 INFO L82 PathProgramCache]: Analyzing trace with hash -377999714, now seen corresponding path program 1 times [2019-10-03 02:56:02,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:02,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:02,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:02,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:02,259 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:02,653 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-03 02:56:02,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:02,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:02,654 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:02,654 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:02,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:02,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:02,655 INFO L87 Difference]: Start difference. First operand 840 states and 1132 transitions. Second operand 3 states. [2019-10-03 02:56:02,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:02,682 INFO L93 Difference]: Finished difference Result 992 states and 1350 transitions. [2019-10-03 02:56:02,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:02,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-10-03 02:56:02,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:02,689 INFO L225 Difference]: With dead ends: 992 [2019-10-03 02:56:02,689 INFO L226 Difference]: Without dead ends: 992 [2019-10-03 02:56:02,690 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:02,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2019-10-03 02:56:02,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 991. [2019-10-03 02:56:02,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 991 states. [2019-10-03 02:56:02,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 991 states and 1343 transitions. [2019-10-03 02:56:02,722 INFO L78 Accepts]: Start accepts. Automaton has 991 states and 1343 transitions. Word has length 231 [2019-10-03 02:56:02,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:02,723 INFO L475 AbstractCegarLoop]: Abstraction has 991 states and 1343 transitions. [2019-10-03 02:56:02,723 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:02,723 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1343 transitions. [2019-10-03 02:56:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2019-10-03 02:56:02,734 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:02,734 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:02,735 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:02,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:02,735 INFO L82 PathProgramCache]: Analyzing trace with hash 1431521957, now seen corresponding path program 1 times [2019-10-03 02:56:02,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:02,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:02,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:02,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:02,741 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:03,136 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-10-03 02:56:03,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:03,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:56:03,137 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:03,139 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:56:03,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:56:03,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:56:03,140 INFO L87 Difference]: Start difference. First operand 991 states and 1343 transitions. Second operand 6 states. [2019-10-03 02:56:04,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:04,005 INFO L93 Difference]: Finished difference Result 1881 states and 2571 transitions. [2019-10-03 02:56:04,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:56:04,006 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 378 [2019-10-03 02:56:04,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:04,040 INFO L225 Difference]: With dead ends: 1881 [2019-10-03 02:56:04,040 INFO L226 Difference]: Without dead ends: 1881 [2019-10-03 02:56:04,042 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:56:04,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1881 states. [2019-10-03 02:56:04,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1881 to 1870. [2019-10-03 02:56:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1870 states. [2019-10-03 02:56:04,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1870 states and 2561 transitions. [2019-10-03 02:56:04,171 INFO L78 Accepts]: Start accepts. Automaton has 1870 states and 2561 transitions. Word has length 378 [2019-10-03 02:56:04,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:04,172 INFO L475 AbstractCegarLoop]: Abstraction has 1870 states and 2561 transitions. [2019-10-03 02:56:04,172 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:56:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2561 transitions. [2019-10-03 02:56:04,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2019-10-03 02:56:04,187 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:04,187 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:04,188 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:04,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:04,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1421916208, now seen corresponding path program 1 times [2019-10-03 02:56:04,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:04,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:04,194 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:04,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:04,194 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:04,654 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2019-10-03 02:56:04,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:04,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-03 02:56:04,655 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:04,656 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-03 02:56:04,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-03 02:56:04,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:56:04,656 INFO L87 Difference]: Start difference. First operand 1870 states and 2561 transitions. Second operand 13 states. [2019-10-03 02:56:05,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:05,248 INFO L93 Difference]: Finished difference Result 1916 states and 2622 transitions. [2019-10-03 02:56:05,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-03 02:56:05,249 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 379 [2019-10-03 02:56:05,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:05,261 INFO L225 Difference]: With dead ends: 1916 [2019-10-03 02:56:05,261 INFO L226 Difference]: Without dead ends: 1916 [2019-10-03 02:56:05,263 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2019-10-03 02:56:05,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1916 states. [2019-10-03 02:56:05,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1916 to 1912. [2019-10-03 02:56:05,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1912 states. [2019-10-03 02:56:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1912 states to 1912 states and 2618 transitions. [2019-10-03 02:56:05,337 INFO L78 Accepts]: Start accepts. Automaton has 1912 states and 2618 transitions. Word has length 379 [2019-10-03 02:56:05,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:05,337 INFO L475 AbstractCegarLoop]: Abstraction has 1912 states and 2618 transitions. [2019-10-03 02:56:05,337 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-03 02:56:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2618 transitions. [2019-10-03 02:56:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2019-10-03 02:56:05,350 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:05,350 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:05,351 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:05,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:05,351 INFO L82 PathProgramCache]: Analyzing trace with hash -2109443007, now seen corresponding path program 1 times [2019-10-03 02:56:05,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:05,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:05,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:05,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:05,356 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:05,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-03 02:56:05,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:05,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:05,670 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:05,670 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:05,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:05,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:05,671 INFO L87 Difference]: Start difference. First operand 1912 states and 2618 transitions. Second operand 3 states. [2019-10-03 02:56:05,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:05,763 INFO L93 Difference]: Finished difference Result 3565 states and 4927 transitions. [2019-10-03 02:56:05,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:05,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 392 [2019-10-03 02:56:05,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:05,787 INFO L225 Difference]: With dead ends: 3565 [2019-10-03 02:56:05,788 INFO L226 Difference]: Without dead ends: 3554 [2019-10-03 02:56:05,788 INFO L640 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 [2019-10-03 02:56:05,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3554 states. [2019-10-03 02:56:05,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3554 to 3547. [2019-10-03 02:56:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3547 states. [2019-10-03 02:56:05,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3547 states to 3547 states and 4907 transitions. [2019-10-03 02:56:05,996 INFO L78 Accepts]: Start accepts. Automaton has 3547 states and 4907 transitions. Word has length 392 [2019-10-03 02:56:05,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:05,997 INFO L475 AbstractCegarLoop]: Abstraction has 3547 states and 4907 transitions. [2019-10-03 02:56:05,997 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:05,997 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 4907 transitions. [2019-10-03 02:56:06,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2019-10-03 02:56:06,028 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:06,029 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:06,030 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:06,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:06,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1767957727, now seen corresponding path program 1 times [2019-10-03 02:56:06,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:06,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:06,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:06,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:06,037 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2019-10-03 02:56:06,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:06,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:06,235 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:06,236 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:06,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:06,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:06,237 INFO L87 Difference]: Start difference. First operand 3547 states and 4907 transitions. Second operand 3 states. [2019-10-03 02:56:06,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:06,385 INFO L93 Difference]: Finished difference Result 5106 states and 7074 transitions. [2019-10-03 02:56:06,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:06,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 394 [2019-10-03 02:56:06,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:06,415 INFO L225 Difference]: With dead ends: 5106 [2019-10-03 02:56:06,416 INFO L226 Difference]: Without dead ends: 5102 [2019-10-03 02:56:06,417 INFO L640 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 [2019-10-03 02:56:06,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5102 states. [2019-10-03 02:56:06,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5102 to 5099. [2019-10-03 02:56:06,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5099 states. [2019-10-03 02:56:06,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5099 states to 5099 states and 7066 transitions. [2019-10-03 02:56:06,664 INFO L78 Accepts]: Start accepts. Automaton has 5099 states and 7066 transitions. Word has length 394 [2019-10-03 02:56:06,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:06,665 INFO L475 AbstractCegarLoop]: Abstraction has 5099 states and 7066 transitions. [2019-10-03 02:56:06,665 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:06,665 INFO L276 IsEmpty]: Start isEmpty. Operand 5099 states and 7066 transitions. [2019-10-03 02:56:06,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2019-10-03 02:56:06,700 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:06,703 INFO L411 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:06,703 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:06,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:06,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1960027132, now seen corresponding path program 1 times [2019-10-03 02:56:06,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:06,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:06,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:06,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:06,712 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:07,546 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2019-10-03 02:56:07,547 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:56:07,547 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:56:07,549 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 363 with the following transitions: [2019-10-03 02:56:07,554 INFO L207 CegarAbsIntRunner]: [29], [30], [59], [62], [72], [95], [97], [103], [108], [110], [132], [135], [140], [142], [144], [161], [164], [168], [170], [172], [174], [176], [178], [180], [182], [184], [185], [186], [189], [307], [310], [311], [312], [315], [321], [322], [323], [366], [368], [379], [382], [391], [402], [405], [415], [416], [417], [428], [433], [435], [491], [493], [496], [497], [500], [502], [507], [511], [513], [527], [529], [530], [706], [707], [713], [718], [720], [765], [768], [782], [813], [818], [821], [827], [830], [836], [839], [843], [852], [861], [870], [892], [893], [904], [906], [908], [910], [954], [958], [961], [969], [972], [976], [977], [980], [984], [985], [988], [1005], [1008], [1023], [1027], [1031], [1034], [1043], [1047], [1049], [1051], [1054], [1067], [1074], [1077], [1083], [1085], [1277], [1279], [1415], [1417], [1419], [1426], [1429], [1430], [1502], [1507], [1509], [1510], [1511], [1544], [1547], [1551], [1552], [1555], [1558], [1589], [1590], [1592], [1617], [1620], [1630], [1632], [1634], [1715], [1718], [1724], [1727], [1729], [1730], [1735], [1737], [1756], [1759], [1773], [1782], [1785], [1794], [1808], [1809], [1872], [1873], [1996], [1998], [2000], [2002], [2003], [2023], [2024], [2033], [2034], [2041], [2042], [2043], [2044], [2045], [2046], [2047], [2048], [2049], [2051], [2052], [2055], [2056], [2057], [2058], [2059], [2060], [2061], [2062], [2063], [2064], [2065], [2066], [2067], [2068], [2069], [2070], [2071], [2072], [2073], [2074], [2081], [2082], [2083], [2084], [2111], [2112], [2127], [2128], [2145], [2146], [2147], [2148], [2149], [2150], [2151], [2152], [2153], [2155], [2156], [2185], [2186], [2201], [2202], [2203], [2204], [2205], [2206], [2213], [2214], [2215], [2216], [2217], [2218], [2219], [2220], [2221], [2223], [2224], [2227], [2228], [2231], [2232], [2233], [2234], [2249], [2250], [2251], [2252], [2253], [2254], [2255], [2256], [2283], [2285], [2286], [2291], [2292], [2293], [2294], [2299], [2300], [2303], [2304], [2321], [2322], [2325], [2326], [2337], [2338], [2345], [2346], [2347], [2348], [2349], [2350], [2353], [2354], [2377], [2378], [2379], [2380], [2381], [2382], [2383], [2384], [2385] [2019-10-03 02:56:07,643 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:56:07,643 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:56:07,863 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:56:07,865 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 211 root evaluator evaluations with a maximum evaluation depth of 0. Performed 211 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 396 variables. [2019-10-03 02:56:07,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:07,872 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:56:08,046 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:56:08,046 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:56:08,060 INFO L420 sIntCurrentIteration]: We unified 361 AI predicates to 361 [2019-10-03 02:56:08,060 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:56:08,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:56:08,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [24] total 24 [2019-10-03 02:56:08,062 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:08,063 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:08,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:08,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:08,064 INFO L87 Difference]: Start difference. First operand 5099 states and 7066 transitions. Second operand 2 states. [2019-10-03 02:56:08,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:08,065 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:56:08,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:08,065 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 362 [2019-10-03 02:56:08,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:08,065 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:56:08,065 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:56:08,066 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:08,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:56:08,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:56:08,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:56:08,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:56:08,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2019-10-03 02:56:08,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:08,067 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:56:08,067 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:08,067 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:56:08,067 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:56:08,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:56:08 BoogieIcfgContainer [2019-10-03 02:56:08,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:56:08,076 INFO L168 Benchmark]: Toolchain (without parser) took 14875.63 ms. Allocated memory was 140.0 MB in the beginning and 606.6 MB in the end (delta: 466.6 MB). Free memory was 82.7 MB in the beginning and 244.8 MB in the end (delta: -162.1 MB). Peak memory consumption was 304.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:08,076 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:56:08,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1220.31 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 82.3 MB in the beginning and 103.0 MB in the end (delta: -20.7 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:08,080 INFO L168 Benchmark]: Boogie Preprocessor took 240.82 ms. Allocated memory is still 201.9 MB. Free memory was 103.0 MB in the beginning and 92.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:08,086 INFO L168 Benchmark]: RCFGBuilder took 2627.77 ms. Allocated memory was 201.9 MB in the beginning and 265.3 MB in the end (delta: 63.4 MB). Free memory was 92.6 MB in the beginning and 81.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:08,087 INFO L168 Benchmark]: TraceAbstraction took 10781.73 ms. Allocated memory was 265.3 MB in the beginning and 606.6 MB in the end (delta: 341.3 MB). Free memory was 81.9 MB in the beginning and 244.8 MB in the end (delta: -162.8 MB). Peak memory consumption was 178.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:08,096 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 140.0 MB. Free memory is still 104.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1220.31 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 82.3 MB in the beginning and 103.0 MB in the end (delta: -20.7 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 240.82 ms. Allocated memory is still 201.9 MB. Free memory was 103.0 MB in the beginning and 92.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2627.77 ms. Allocated memory was 201.9 MB in the beginning and 265.3 MB in the end (delta: 63.4 MB). Free memory was 92.6 MB in the beginning and 81.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10781.73 ms. Allocated memory was 265.3 MB in the beginning and 606.6 MB in the end (delta: 341.3 MB). Free memory was 81.9 MB in the beginning and 244.8 MB in the end (delta: -162.8 MB). Peak memory consumption was 178.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3476]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 136 procedures, 974 locations, 1 error locations. SAFE Result, 10.6s OverallTime, 12 OverallIterations, 8 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 12736 SDtfs, 7764 SDslu, 25010 SDs, 0 SdLazy, 1382 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5099occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.631578947368421 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 28 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 3323 NumberOfCodeBlocks, 3323 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 3311 ConstructedInterpolants, 0 QuantifiedInterpolants, 1235488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 1692/1700 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...