/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:13:27,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:13:27,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:13:27,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:13:27,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:13:27,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:13:27,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:13:27,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:13:27,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:13:27,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:13:27,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:13:27,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:13:27,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:13:27,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:13:27,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:13:27,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:13:27,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:13:27,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:13:27,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:13:27,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:13:27,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:13:27,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:13:27,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:13:27,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:13:27,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:13:27,742 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:13:27,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:13:27,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:13:27,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:13:27,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:13:27,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:13:27,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:13:27,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:13:27,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:13:27,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:13:27,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:13:27,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:13:27,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:13:27,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:13:27,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:13:27,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:13:27,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:13:27,783 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:13:27,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:13:27,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:13:27,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:13:27,785 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:13:27,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:13:27,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:13:27,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:13:27,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:13:27,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:13:27,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:13:27,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:13:27,787 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:13:27,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:13:27,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:13:27,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:13:27,788 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:13:27,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:13:27,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:13:27,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:13:27,789 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:13:27,789 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:13:27,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:13:27,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:13:27,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:13:27,790 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:13:28,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:13:28,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:13:28,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:13:28,274 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:13:28,275 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:13:28,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2020-12-23 09:13:28,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3086ae72d/8d31bab126264b1aa272fcf8c23cb349/FLAG0a508afdb [2020-12-23 09:13:29,166 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:13:29,167 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c [2020-12-23 09:13:29,191 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3086ae72d/8d31bab126264b1aa272fcf8c23cb349/FLAG0a508afdb [2020-12-23 09:13:29,414 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3086ae72d/8d31bab126264b1aa272fcf8c23cb349 [2020-12-23 09:13:29,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:13:29,429 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:13:29,431 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:13:29,431 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:13:29,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:13:29,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:13:29" (1/1) ... [2020-12-23 09:13:29,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26fc4342 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:29, skipping insertion in model container [2020-12-23 09:13:29,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:13:29" (1/1) ... [2020-12-23 09:13:29,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:13:29,531 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] [2020-12-23 09:13:29,841 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c[9939,9952] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:13:30,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:13:30,237 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] [2020-12-23 09:13:30,333 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product21.cil.c[9939,9952] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:13:30,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:13:30,720 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:13:30,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30 WrapperNode [2020-12-23 09:13:30,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:13:30,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:13:30,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:13:30,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:13:30,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... [2020-12-23 09:13:30,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... [2020-12-23 09:13:31,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:13:31,009 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:13:31,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:13:31,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:13:31,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... [2020-12-23 09:13:31,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... [2020-12-23 09:13:31,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... [2020-12-23 09:13:31,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... [2020-12-23 09:13:31,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... [2020-12-23 09:13:31,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... [2020-12-23 09:13:31,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... [2020-12-23 09:13:31,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:13:31,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:13:31,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:13:31,219 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:13:31,220 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 09:13:31,341 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:13:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:13:31,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:13:31,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:13:31,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:13:34,886 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:13:34,887 INFO L299 CfgBuilder]: Removed 649 assume(true) statements. [2020-12-23 09:13:34,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:13:34 BoogieIcfgContainer [2020-12-23 09:13:34,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:13:34,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:13:34,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:13:34,902 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:13:34,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:13:29" (1/3) ... [2020-12-23 09:13:34,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2575ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:13:34, skipping insertion in model container [2020-12-23 09:13:34,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:13:30" (2/3) ... [2020-12-23 09:13:34,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2575ff9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:13:34, skipping insertion in model container [2020-12-23 09:13:34,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:13:34" (3/3) ... [2020-12-23 09:13:34,907 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product21.cil.c [2020-12-23 09:13:34,914 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:13:34,921 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 09:13:34,939 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 09:13:34,975 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:13:34,976 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:13:34,976 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:13:34,976 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:13:34,976 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:13:34,976 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:13:34,976 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:13:34,977 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:13:35,016 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states. [2020-12-23 09:13:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 09:13:35,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:35,033 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:35,034 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:35,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:35,040 INFO L82 PathProgramCache]: Analyzing trace with hash -517743260, now seen corresponding path program 1 times [2020-12-23 09:13:35,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:35,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821331246] [2020-12-23 09:13:35,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:35,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821331246] [2020-12-23 09:13:35,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:35,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:35,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814293229] [2020-12-23 09:13:35,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:35,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:35,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:35,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:35,593 INFO L87 Difference]: Start difference. First operand 962 states. Second operand 3 states. [2020-12-23 09:13:35,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:35,818 INFO L93 Difference]: Finished difference Result 2851 states and 4910 transitions. [2020-12-23 09:13:35,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:35,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 09:13:35,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:35,877 INFO L225 Difference]: With dead ends: 2851 [2020-12-23 09:13:35,877 INFO L226 Difference]: Without dead ends: 1648 [2020-12-23 09:13:35,889 INFO L677 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 [2020-12-23 09:13:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1648 states. [2020-12-23 09:13:36,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1648 to 833. [2020-12-23 09:13:36,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:13:36,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1433 transitions. [2020-12-23 09:13:36,037 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1433 transitions. Word has length 44 [2020-12-23 09:13:36,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:36,037 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1433 transitions. [2020-12-23 09:13:36,037 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1433 transitions. [2020-12-23 09:13:36,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 09:13:36,047 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:36,048 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:36,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:13:36,048 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:36,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:36,050 INFO L82 PathProgramCache]: Analyzing trace with hash -502461118, now seen corresponding path program 1 times [2020-12-23 09:13:36,050 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:36,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323920749] [2020-12-23 09:13:36,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:36,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323920749] [2020-12-23 09:13:36,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:36,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:13:36,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707604792] [2020-12-23 09:13:36,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:13:36,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:36,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:13:36,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:36,233 INFO L87 Difference]: Start difference. First operand 833 states and 1433 transitions. Second operand 5 states. [2020-12-23 09:13:36,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:36,472 INFO L93 Difference]: Finished difference Result 2448 states and 4215 transitions. [2020-12-23 09:13:36,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:13:36,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 09:13:36,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:36,489 INFO L225 Difference]: With dead ends: 2448 [2020-12-23 09:13:36,490 INFO L226 Difference]: Without dead ends: 1634 [2020-12-23 09:13:36,493 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:13:36,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2020-12-23 09:13:36,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 833. [2020-12-23 09:13:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:13:36,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1432 transitions. [2020-12-23 09:13:36,545 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1432 transitions. Word has length 46 [2020-12-23 09:13:36,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:36,545 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1432 transitions. [2020-12-23 09:13:36,545 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:13:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1432 transitions. [2020-12-23 09:13:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 09:13:36,550 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:36,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:36,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:13:36,552 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:36,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:36,555 INFO L82 PathProgramCache]: Analyzing trace with hash -393336369, now seen corresponding path program 1 times [2020-12-23 09:13:36,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:36,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910796319] [2020-12-23 09:13:36,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:36,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:36,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910796319] [2020-12-23 09:13:36,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:36,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:36,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955901430] [2020-12-23 09:13:36,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:36,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:36,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:36,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:36,700 INFO L87 Difference]: Start difference. First operand 833 states and 1432 transitions. Second operand 3 states. [2020-12-23 09:13:36,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:36,795 INFO L93 Difference]: Finished difference Result 1648 states and 2838 transitions. [2020-12-23 09:13:36,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:36,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-23 09:13:36,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:36,801 INFO L225 Difference]: With dead ends: 1648 [2020-12-23 09:13:36,801 INFO L226 Difference]: Without dead ends: 838 [2020-12-23 09:13:36,803 INFO L677 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 [2020-12-23 09:13:36,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2020-12-23 09:13:36,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 833. [2020-12-23 09:13:36,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:13:36,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1431 transitions. [2020-12-23 09:13:36,844 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1431 transitions. Word has length 47 [2020-12-23 09:13:36,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:36,851 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1431 transitions. [2020-12-23 09:13:36,851 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:36,851 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1431 transitions. [2020-12-23 09:13:36,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 09:13:36,852 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:36,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:36,853 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:13:36,853 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:36,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:36,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1559988203, now seen corresponding path program 1 times [2020-12-23 09:13:36,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:36,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615558316] [2020-12-23 09:13:36,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:36,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615558316] [2020-12-23 09:13:36,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:36,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:36,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676623258] [2020-12-23 09:13:36,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:36,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:36,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:36,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:36,957 INFO L87 Difference]: Start difference. First operand 833 states and 1431 transitions. Second operand 3 states. [2020-12-23 09:13:37,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:37,036 INFO L93 Difference]: Finished difference Result 1658 states and 2851 transitions. [2020-12-23 09:13:37,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:37,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 09:13:37,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:37,042 INFO L225 Difference]: With dead ends: 1658 [2020-12-23 09:13:37,043 INFO L226 Difference]: Without dead ends: 833 [2020-12-23 09:13:37,045 INFO L677 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 [2020-12-23 09:13:37,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2020-12-23 09:13:37,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 833. [2020-12-23 09:13:37,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:13:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1429 transitions. [2020-12-23 09:13:37,081 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1429 transitions. Word has length 48 [2020-12-23 09:13:37,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:37,082 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1429 transitions. [2020-12-23 09:13:37,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:37,082 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1429 transitions. [2020-12-23 09:13:37,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 09:13:37,083 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:37,083 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:37,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:13:37,084 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:37,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:37,084 INFO L82 PathProgramCache]: Analyzing trace with hash -532074006, now seen corresponding path program 1 times [2020-12-23 09:13:37,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:37,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008037909] [2020-12-23 09:13:37,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:37,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:37,165 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008037909] [2020-12-23 09:13:37,165 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:37,165 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:13:37,165 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611009130] [2020-12-23 09:13:37,166 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:13:37,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:37,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:13:37,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:37,169 INFO L87 Difference]: Start difference. First operand 833 states and 1429 transitions. Second operand 5 states. [2020-12-23 09:13:37,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:37,398 INFO L93 Difference]: Finished difference Result 2438 states and 4195 transitions. [2020-12-23 09:13:37,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:13:37,400 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 09:13:37,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:37,411 INFO L225 Difference]: With dead ends: 2438 [2020-12-23 09:13:37,412 INFO L226 Difference]: Without dead ends: 1632 [2020-12-23 09:13:37,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:13:37,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2020-12-23 09:13:37,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 833. [2020-12-23 09:13:37,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:13:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1428 transitions. [2020-12-23 09:13:37,469 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1428 transitions. Word has length 49 [2020-12-23 09:13:37,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:37,469 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1428 transitions. [2020-12-23 09:13:37,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:13:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1428 transitions. [2020-12-23 09:13:37,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:13:37,471 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:37,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:37,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:13:37,472 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:37,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:37,473 INFO L82 PathProgramCache]: Analyzing trace with hash -319226547, now seen corresponding path program 1 times [2020-12-23 09:13:37,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:37,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429196894] [2020-12-23 09:13:37,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:37,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:37,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429196894] [2020-12-23 09:13:37,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:37,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:13:37,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913710022] [2020-12-23 09:13:37,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:13:37,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:37,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:13:37,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:37,601 INFO L87 Difference]: Start difference. First operand 833 states and 1428 transitions. Second operand 5 states. [2020-12-23 09:13:37,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:37,880 INFO L93 Difference]: Finished difference Result 2443 states and 4200 transitions. [2020-12-23 09:13:37,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:13:37,881 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 09:13:37,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:37,891 INFO L225 Difference]: With dead ends: 2443 [2020-12-23 09:13:37,891 INFO L226 Difference]: Without dead ends: 1637 [2020-12-23 09:13:37,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:13:37,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2020-12-23 09:13:37,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 833. [2020-12-23 09:13:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 833 states. [2020-12-23 09:13:37,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 1427 transitions. [2020-12-23 09:13:37,964 INFO L78 Accepts]: Start accepts. Automaton has 833 states and 1427 transitions. Word has length 50 [2020-12-23 09:13:37,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:37,964 INFO L481 AbstractCegarLoop]: Abstraction has 833 states and 1427 transitions. [2020-12-23 09:13:37,964 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:13:37,964 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1427 transitions. [2020-12-23 09:13:37,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:13:37,965 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:37,966 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:37,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:13:37,967 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:37,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:37,972 INFO L82 PathProgramCache]: Analyzing trace with hash 2040658021, now seen corresponding path program 1 times [2020-12-23 09:13:37,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:37,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087754320] [2020-12-23 09:13:37,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:38,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:38,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087754320] [2020-12-23 09:13:38,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:38,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:38,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199215386] [2020-12-23 09:13:38,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:38,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:38,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:38,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:38,071 INFO L87 Difference]: Start difference. First operand 833 states and 1427 transitions. Second operand 3 states. [2020-12-23 09:13:38,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:38,130 INFO L93 Difference]: Finished difference Result 1385 states and 2348 transitions. [2020-12-23 09:13:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:38,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 09:13:38,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:38,137 INFO L225 Difference]: With dead ends: 1385 [2020-12-23 09:13:38,137 INFO L226 Difference]: Without dead ends: 836 [2020-12-23 09:13:38,139 INFO L677 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 [2020-12-23 09:13:38,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-12-23 09:13:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 835. [2020-12-23 09:13:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 835 states. [2020-12-23 09:13:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 835 states and 1429 transitions. [2020-12-23 09:13:38,189 INFO L78 Accepts]: Start accepts. Automaton has 835 states and 1429 transitions. Word has length 51 [2020-12-23 09:13:38,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:38,189 INFO L481 AbstractCegarLoop]: Abstraction has 835 states and 1429 transitions. [2020-12-23 09:13:38,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1429 transitions. [2020-12-23 09:13:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 09:13:38,191 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:38,191 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:13:38,191 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:13:38,192 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:38,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:38,192 INFO L82 PathProgramCache]: Analyzing trace with hash -302802333, now seen corresponding path program 1 times [2020-12-23 09:13:38,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:38,193 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702207846] [2020-12-23 09:13:38,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:38,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702207846] [2020-12-23 09:13:38,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:38,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:38,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129369442] [2020-12-23 09:13:38,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:38,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:38,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:38,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:38,290 INFO L87 Difference]: Start difference. First operand 835 states and 1429 transitions. Second operand 3 states. [2020-12-23 09:13:38,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:38,400 INFO L93 Difference]: Finished difference Result 2391 states and 4111 transitions. [2020-12-23 09:13:38,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:38,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-23 09:13:38,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:38,412 INFO L225 Difference]: With dead ends: 2391 [2020-12-23 09:13:38,412 INFO L226 Difference]: Without dead ends: 1587 [2020-12-23 09:13:38,415 INFO L677 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 [2020-12-23 09:13:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-12-23 09:13:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1038. [2020-12-23 09:13:38,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2020-12-23 09:13:38,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1804 transitions. [2020-12-23 09:13:38,497 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1804 transitions. Word has length 57 [2020-12-23 09:13:38,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:38,497 INFO L481 AbstractCegarLoop]: Abstraction has 1038 states and 1804 transitions. [2020-12-23 09:13:38,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1804 transitions. [2020-12-23 09:13:38,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:13:38,499 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:38,499 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:13:38,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:13:38,499 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:38,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:38,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1288320638, now seen corresponding path program 1 times [2020-12-23 09:13:38,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:38,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969208851] [2020-12-23 09:13:38,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:38,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969208851] [2020-12-23 09:13:38,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809851930] [2020-12-23 09:13:38,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:13:39,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:39,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:13:39,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:13:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:13:39,224 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:13:39,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 09:13:39,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419673983] [2020-12-23 09:13:39,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:39,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:39,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:39,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:39,226 INFO L87 Difference]: Start difference. First operand 1038 states and 1804 transitions. Second operand 3 states. [2020-12-23 09:13:39,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:39,347 INFO L93 Difference]: Finished difference Result 1500 states and 2570 transitions. [2020-12-23 09:13:39,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:39,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 09:13:39,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:39,354 INFO L225 Difference]: With dead ends: 1500 [2020-12-23 09:13:39,354 INFO L226 Difference]: Without dead ends: 1040 [2020-12-23 09:13:39,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:39,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-12-23 09:13:39,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1026. [2020-12-23 09:13:39,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-12-23 09:13:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1786 transitions. [2020-12-23 09:13:39,423 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1786 transitions. Word has length 58 [2020-12-23 09:13:39,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:39,423 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 1786 transitions. [2020-12-23 09:13:39,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:39,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1786 transitions. [2020-12-23 09:13:39,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 09:13:39,426 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:39,426 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:13:39,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 09:13:39,640 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:39,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:39,641 INFO L82 PathProgramCache]: Analyzing trace with hash 1505942636, now seen corresponding path program 1 times [2020-12-23 09:13:39,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:39,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285529498] [2020-12-23 09:13:39,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:39,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285529498] [2020-12-23 09:13:39,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17386553] [2020-12-23 09:13:39,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:13:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:40,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1144 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:13:40,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:13:40,488 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:40,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:13:40,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:13:40,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674990478] [2020-12-23 09:13:40,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:13:40,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:40,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:13:40,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:40,491 INFO L87 Difference]: Start difference. First operand 1026 states and 1786 transitions. Second operand 5 states. [2020-12-23 09:13:40,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:40,721 INFO L93 Difference]: Finished difference Result 2359 states and 4060 transitions. [2020-12-23 09:13:40,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:13:40,722 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-12-23 09:13:40,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:40,732 INFO L225 Difference]: With dead ends: 2359 [2020-12-23 09:13:40,733 INFO L226 Difference]: Without dead ends: 1822 [2020-12-23 09:13:40,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:40,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1822 states. [2020-12-23 09:13:40,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1822 to 1283. [2020-12-23 09:13:40,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2020-12-23 09:13:40,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 2258 transitions. [2020-12-23 09:13:40,824 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 2258 transitions. Word has length 92 [2020-12-23 09:13:40,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:40,825 INFO L481 AbstractCegarLoop]: Abstraction has 1283 states and 2258 transitions. [2020-12-23 09:13:40,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:13:40,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 2258 transitions. [2020-12-23 09:13:40,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 09:13:40,828 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:40,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:41,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:13:41,043 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:41,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:41,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1023992063, now seen corresponding path program 1 times [2020-12-23 09:13:41,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:41,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9112956] [2020-12-23 09:13:41,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:41,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:41,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9112956] [2020-12-23 09:13:41,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:41,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:41,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023857179] [2020-12-23 09:13:41,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:41,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:41,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:41,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:41,136 INFO L87 Difference]: Start difference. First operand 1283 states and 2258 transitions. Second operand 3 states. [2020-12-23 09:13:41,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:41,294 INFO L93 Difference]: Finished difference Result 3472 states and 6116 transitions. [2020-12-23 09:13:41,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:41,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 09:13:41,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:41,308 INFO L225 Difference]: With dead ends: 3472 [2020-12-23 09:13:41,308 INFO L226 Difference]: Without dead ends: 2278 [2020-12-23 09:13:41,311 INFO L677 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 [2020-12-23 09:13:41,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2020-12-23 09:13:41,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1741. [2020-12-23 09:13:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1741 states. [2020-12-23 09:13:41,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 3100 transitions. [2020-12-23 09:13:41,430 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 3100 transitions. Word has length 98 [2020-12-23 09:13:41,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:41,430 INFO L481 AbstractCegarLoop]: Abstraction has 1741 states and 3100 transitions. [2020-12-23 09:13:41,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:41,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 3100 transitions. [2020-12-23 09:13:41,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:13:41,435 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:41,435 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-12-23 09:13:41,435 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:13:41,436 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:41,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:41,436 INFO L82 PathProgramCache]: Analyzing trace with hash 946155503, now seen corresponding path program 2 times [2020-12-23 09:13:41,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:41,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080457583] [2020-12-23 09:13:41,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:41,538 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:41,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080457583] [2020-12-23 09:13:41,539 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:41,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:13:41,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773088746] [2020-12-23 09:13:41,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:13:41,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:41,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:13:41,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:41,541 INFO L87 Difference]: Start difference. First operand 1741 states and 3100 transitions. Second operand 5 states. [2020-12-23 09:13:41,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:41,745 INFO L93 Difference]: Finished difference Result 3729 states and 6586 transitions. [2020-12-23 09:13:41,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:13:41,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2020-12-23 09:13:41,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:41,758 INFO L225 Difference]: With dead ends: 3729 [2020-12-23 09:13:41,759 INFO L226 Difference]: Without dead ends: 2278 [2020-12-23 09:13:41,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:13:41,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2278 states. [2020-12-23 09:13:41,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2278 to 1741. [2020-12-23 09:13:41,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1741 states. [2020-12-23 09:13:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1741 states and 3098 transitions. [2020-12-23 09:13:41,933 INFO L78 Accepts]: Start accepts. Automaton has 1741 states and 3098 transitions. Word has length 99 [2020-12-23 09:13:41,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:41,933 INFO L481 AbstractCegarLoop]: Abstraction has 1741 states and 3098 transitions. [2020-12-23 09:13:41,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:13:41,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1741 states and 3098 transitions. [2020-12-23 09:13:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:13:41,938 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:41,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:41,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:13:41,938 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:41,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:41,939 INFO L82 PathProgramCache]: Analyzing trace with hash 277650830, now seen corresponding path program 1 times [2020-12-23 09:13:41,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:41,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765789658] [2020-12-23 09:13:41,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:42,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:42,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765789658] [2020-12-23 09:13:42,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:42,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:42,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932290384] [2020-12-23 09:13:42,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:42,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:42,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:42,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:42,016 INFO L87 Difference]: Start difference. First operand 1741 states and 3098 transitions. Second operand 3 states. [2020-12-23 09:13:42,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:42,204 INFO L93 Difference]: Finished difference Result 4818 states and 8591 transitions. [2020-12-23 09:13:42,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:42,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2020-12-23 09:13:42,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:42,222 INFO L225 Difference]: With dead ends: 4818 [2020-12-23 09:13:42,223 INFO L226 Difference]: Without dead ends: 3174 [2020-12-23 09:13:42,227 INFO L677 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 [2020-12-23 09:13:42,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3174 states. [2020-12-23 09:13:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3174 to 2637. [2020-12-23 09:13:42,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2637 states. [2020-12-23 09:13:42,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2637 states to 2637 states and 4745 transitions. [2020-12-23 09:13:42,393 INFO L78 Accepts]: Start accepts. Automaton has 2637 states and 4745 transitions. Word has length 99 [2020-12-23 09:13:42,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:42,393 INFO L481 AbstractCegarLoop]: Abstraction has 2637 states and 4745 transitions. [2020-12-23 09:13:42,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:42,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 4745 transitions. [2020-12-23 09:13:42,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 09:13:42,400 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:42,400 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:42,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:13:42,401 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:42,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:42,401 INFO L82 PathProgramCache]: Analyzing trace with hash 947154753, now seen corresponding path program 1 times [2020-12-23 09:13:42,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:42,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587131320] [2020-12-23 09:13:42,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:42,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:42,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587131320] [2020-12-23 09:13:42,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:42,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:42,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638611612] [2020-12-23 09:13:42,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:42,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:42,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:42,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:42,483 INFO L87 Difference]: Start difference. First operand 2637 states and 4745 transitions. Second operand 3 states. [2020-12-23 09:13:42,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:42,800 INFO L93 Difference]: Finished difference Result 7242 states and 13051 transitions. [2020-12-23 09:13:42,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:42,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2020-12-23 09:13:42,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:42,829 INFO L225 Difference]: With dead ends: 7242 [2020-12-23 09:13:42,829 INFO L226 Difference]: Without dead ends: 4736 [2020-12-23 09:13:42,834 INFO L677 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 [2020-12-23 09:13:42,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2020-12-23 09:13:43,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4199. [2020-12-23 09:13:43,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4199 states. [2020-12-23 09:13:43,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4199 states to 4199 states and 7614 transitions. [2020-12-23 09:13:43,210 INFO L78 Accepts]: Start accepts. Automaton has 4199 states and 7614 transitions. Word has length 100 [2020-12-23 09:13:43,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:43,210 INFO L481 AbstractCegarLoop]: Abstraction has 4199 states and 7614 transitions. [2020-12-23 09:13:43,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:43,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4199 states and 7614 transitions. [2020-12-23 09:13:43,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 09:13:43,223 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:43,224 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:43,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:13:43,224 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:43,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:43,225 INFO L82 PathProgramCache]: Analyzing trace with hash 886991327, now seen corresponding path program 1 times [2020-12-23 09:13:43,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:43,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827515402] [2020-12-23 09:13:43,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:43,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827515402] [2020-12-23 09:13:43,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:43,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:43,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396078568] [2020-12-23 09:13:43,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:43,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:43,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:43,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:43,342 INFO L87 Difference]: Start difference. First operand 4199 states and 7614 transitions. Second operand 3 states. [2020-12-23 09:13:43,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:43,897 INFO L93 Difference]: Finished difference Result 11644 states and 21141 transitions. [2020-12-23 09:13:43,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:43,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-12-23 09:13:43,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:43,923 INFO L225 Difference]: With dead ends: 11644 [2020-12-23 09:13:43,923 INFO L226 Difference]: Without dead ends: 7610 [2020-12-23 09:13:43,932 INFO L677 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 [2020-12-23 09:13:43,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7610 states. [2020-12-23 09:13:44,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7610 to 7073. [2020-12-23 09:13:44,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7073 states. [2020-12-23 09:13:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7073 states to 7073 states and 12887 transitions. [2020-12-23 09:13:44,471 INFO L78 Accepts]: Start accepts. Automaton has 7073 states and 12887 transitions. Word has length 101 [2020-12-23 09:13:44,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:44,471 INFO L481 AbstractCegarLoop]: Abstraction has 7073 states and 12887 transitions. [2020-12-23 09:13:44,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:44,471 INFO L276 IsEmpty]: Start isEmpty. Operand 7073 states and 12887 transitions. [2020-12-23 09:13:44,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 09:13:44,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:44,490 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:13:44,490 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:13:44,491 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:44,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:44,491 INFO L82 PathProgramCache]: Analyzing trace with hash -2039220157, now seen corresponding path program 1 times [2020-12-23 09:13:44,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:44,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101077369] [2020-12-23 09:13:44,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:13:44,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101077369] [2020-12-23 09:13:44,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:44,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:13:44,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526899964] [2020-12-23 09:13:44,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:13:44,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:44,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:13:44,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:44,593 INFO L87 Difference]: Start difference. First operand 7073 states and 12887 transitions. Second operand 5 states. [2020-12-23 09:13:45,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:45,593 INFO L93 Difference]: Finished difference Result 20352 states and 37114 transitions. [2020-12-23 09:13:45,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:13:45,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2020-12-23 09:13:45,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:45,634 INFO L225 Difference]: With dead ends: 20352 [2020-12-23 09:13:45,635 INFO L226 Difference]: Without dead ends: 13569 [2020-12-23 09:13:45,648 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:13:45,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13569 states. [2020-12-23 09:13:46,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13569 to 7073. [2020-12-23 09:13:46,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7073 states. [2020-12-23 09:13:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7073 states to 7073 states and 12837 transitions. [2020-12-23 09:13:46,156 INFO L78 Accepts]: Start accepts. Automaton has 7073 states and 12837 transitions. Word has length 102 [2020-12-23 09:13:46,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:46,157 INFO L481 AbstractCegarLoop]: Abstraction has 7073 states and 12837 transitions. [2020-12-23 09:13:46,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:13:46,157 INFO L276 IsEmpty]: Start isEmpty. Operand 7073 states and 12837 transitions. [2020-12-23 09:13:46,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 09:13:46,175 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:46,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:46,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:13:46,176 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:46,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:46,176 INFO L82 PathProgramCache]: Analyzing trace with hash 120283570, now seen corresponding path program 1 times [2020-12-23 09:13:46,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:46,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730794149] [2020-12-23 09:13:46,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:13:46,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730794149] [2020-12-23 09:13:46,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:46,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:13:46,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864851266] [2020-12-23 09:13:46,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:13:46,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:46,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:13:46,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:13:46,253 INFO L87 Difference]: Start difference. First operand 7073 states and 12837 transitions. Second operand 3 states. [2020-12-23 09:13:46,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:46,984 INFO L93 Difference]: Finished difference Result 20592 states and 37424 transitions. [2020-12-23 09:13:46,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:13:46,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-23 09:13:46,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:47,031 INFO L225 Difference]: With dead ends: 20592 [2020-12-23 09:13:47,032 INFO L226 Difference]: Without dead ends: 13692 [2020-12-23 09:13:47,048 INFO L677 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 [2020-12-23 09:13:47,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13692 states. [2020-12-23 09:13:47,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13692 to 13155. [2020-12-23 09:13:47,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13155 states. [2020-12-23 09:13:47,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13155 states to 13155 states and 23942 transitions. [2020-12-23 09:13:47,922 INFO L78 Accepts]: Start accepts. Automaton has 13155 states and 23942 transitions. Word has length 102 [2020-12-23 09:13:47,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:47,923 INFO L481 AbstractCegarLoop]: Abstraction has 13155 states and 23942 transitions. [2020-12-23 09:13:47,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:13:47,923 INFO L276 IsEmpty]: Start isEmpty. Operand 13155 states and 23942 transitions. [2020-12-23 09:13:47,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 09:13:47,952 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:47,952 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:13:47,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:13:47,953 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:47,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:47,954 INFO L82 PathProgramCache]: Analyzing trace with hash 799884798, now seen corresponding path program 1 times [2020-12-23 09:13:47,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:47,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040067772] [2020-12-23 09:13:47,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:13:48,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040067772] [2020-12-23 09:13:48,232 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:48,232 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:13:48,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734851717] [2020-12-23 09:13:48,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:13:48,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:48,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:13:48,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:13:48,235 INFO L87 Difference]: Start difference. First operand 13155 states and 23942 transitions. Second operand 9 states. [2020-12-23 09:13:51,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:51,913 INFO L93 Difference]: Finished difference Result 28682 states and 51788 transitions. [2020-12-23 09:13:51,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:13:51,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-12-23 09:13:51,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:52,018 INFO L225 Difference]: With dead ends: 28682 [2020-12-23 09:13:52,018 INFO L226 Difference]: Without dead ends: 28202 [2020-12-23 09:13:52,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 09:13:52,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28202 states. [2020-12-23 09:13:53,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28202 to 26043. [2020-12-23 09:13:53,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26043 states. [2020-12-23 09:13:53,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26043 states to 26043 states and 47428 transitions. [2020-12-23 09:13:53,811 INFO L78 Accepts]: Start accepts. Automaton has 26043 states and 47428 transitions. Word has length 103 [2020-12-23 09:13:53,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:53,811 INFO L481 AbstractCegarLoop]: Abstraction has 26043 states and 47428 transitions. [2020-12-23 09:13:53,811 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:13:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 26043 states and 47428 transitions. [2020-12-23 09:13:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 09:13:53,854 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:53,855 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:13:53,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:13:53,855 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:53,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:53,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1883446035, now seen corresponding path program 1 times [2020-12-23 09:13:53,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:53,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544733543] [2020-12-23 09:13:53,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:53,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:53,930 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:13:53,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544733543] [2020-12-23 09:13:53,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:53,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:13:53,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293101472] [2020-12-23 09:13:53,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:13:53,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:53,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:13:53,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:13:53,932 INFO L87 Difference]: Start difference. First operand 26043 states and 47428 transitions. Second operand 4 states. [2020-12-23 09:13:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:54,952 INFO L93 Difference]: Finished difference Result 27032 states and 49074 transitions. [2020-12-23 09:13:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:13:54,952 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2020-12-23 09:13:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:55,016 INFO L225 Difference]: With dead ends: 27032 [2020-12-23 09:13:55,017 INFO L226 Difference]: Without dead ends: 26500 [2020-12-23 09:13:55,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:13:55,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26500 states. [2020-12-23 09:13:57,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26500 to 26042. [2020-12-23 09:13:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26042 states. [2020-12-23 09:13:57,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26042 states to 26042 states and 47424 transitions. [2020-12-23 09:13:57,203 INFO L78 Accepts]: Start accepts. Automaton has 26042 states and 47424 transitions. Word has length 104 [2020-12-23 09:13:57,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:57,204 INFO L481 AbstractCegarLoop]: Abstraction has 26042 states and 47424 transitions. [2020-12-23 09:13:57,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:13:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 26042 states and 47424 transitions. [2020-12-23 09:13:57,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 09:13:57,240 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:57,240 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:13:57,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:13:57,241 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:13:57,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:57,241 INFO L82 PathProgramCache]: Analyzing trace with hash -2053832042, now seen corresponding path program 1 times [2020-12-23 09:13:57,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:57,242 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015616161] [2020-12-23 09:13:57,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:13:57,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015616161] [2020-12-23 09:13:57,365 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:57,365 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:13:57,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064696720] [2020-12-23 09:13:57,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:13:57,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:57,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:13:57,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:13:57,367 INFO L87 Difference]: Start difference. First operand 26042 states and 47424 transitions. Second operand 9 states. [2020-12-23 09:14:01,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:01,370 INFO L93 Difference]: Finished difference Result 57341 states and 103544 transitions. [2020-12-23 09:14:01,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 09:14:01,371 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2020-12-23 09:14:01,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:01,508 INFO L225 Difference]: With dead ends: 57341 [2020-12-23 09:14:01,508 INFO L226 Difference]: Without dead ends: 56439 [2020-12-23 09:14:01,526 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2020-12-23 09:14:01,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56439 states. [2020-12-23 09:14:04,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56439 to 52045. [2020-12-23 09:14:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52045 states. [2020-12-23 09:14:04,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52045 states to 52045 states and 94772 transitions. [2020-12-23 09:14:04,356 INFO L78 Accepts]: Start accepts. Automaton has 52045 states and 94772 transitions. Word has length 105 [2020-12-23 09:14:04,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:04,356 INFO L481 AbstractCegarLoop]: Abstraction has 52045 states and 94772 transitions. [2020-12-23 09:14:04,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:14:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 52045 states and 94772 transitions. [2020-12-23 09:14:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 09:14:04,408 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:04,409 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:14:04,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:14:04,409 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:04,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:04,410 INFO L82 PathProgramCache]: Analyzing trace with hash -114669996, now seen corresponding path program 1 times [2020-12-23 09:14:04,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:04,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405103768] [2020-12-23 09:14:04,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:04,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405103768] [2020-12-23 09:14:04,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:04,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:14:04,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733658220] [2020-12-23 09:14:04,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:14:04,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:04,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:14:04,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:14:04,552 INFO L87 Difference]: Start difference. First operand 52045 states and 94772 transitions. Second operand 10 states. [2020-12-23 09:14:09,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:09,522 INFO L93 Difference]: Finished difference Result 64963 states and 116208 transitions. [2020-12-23 09:14:09,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 09:14:09,523 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2020-12-23 09:14:09,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:09,624 INFO L225 Difference]: With dead ends: 64963 [2020-12-23 09:14:09,624 INFO L226 Difference]: Without dead ends: 63166 [2020-12-23 09:14:09,641 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 09:14:09,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63166 states. [2020-12-23 09:14:12,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63166 to 52698. [2020-12-23 09:14:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52698 states. [2020-12-23 09:14:12,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52698 states to 52698 states and 95820 transitions. [2020-12-23 09:14:12,111 INFO L78 Accepts]: Start accepts. Automaton has 52698 states and 95820 transitions. Word has length 105 [2020-12-23 09:14:12,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:12,111 INFO L481 AbstractCegarLoop]: Abstraction has 52698 states and 95820 transitions. [2020-12-23 09:14:12,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:14:12,111 INFO L276 IsEmpty]: Start isEmpty. Operand 52698 states and 95820 transitions. [2020-12-23 09:14:12,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:14:12,167 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:12,167 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:14:12,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:14:12,167 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:12,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:12,168 INFO L82 PathProgramCache]: Analyzing trace with hash 268322446, now seen corresponding path program 1 times [2020-12-23 09:14:12,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:12,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651885047] [2020-12-23 09:14:12,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:12,326 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651885047] [2020-12-23 09:14:12,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:12,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 09:14:12,326 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220599534] [2020-12-23 09:14:12,327 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 09:14:12,327 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:12,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 09:14:12,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:14:12,328 INFO L87 Difference]: Start difference. First operand 52698 states and 95820 transitions. Second operand 11 states. [2020-12-23 09:14:17,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:17,546 INFO L93 Difference]: Finished difference Result 66106 states and 118054 transitions. [2020-12-23 09:14:17,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-23 09:14:17,549 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 106 [2020-12-23 09:14:17,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:17,639 INFO L225 Difference]: With dead ends: 66106 [2020-12-23 09:14:17,639 INFO L226 Difference]: Without dead ends: 63986 [2020-12-23 09:14:17,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2020-12-23 09:14:17,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63986 states. [2020-12-23 09:14:19,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63986 to 53204. [2020-12-23 09:14:19,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53204 states. [2020-12-23 09:14:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53204 states to 53204 states and 96656 transitions. [2020-12-23 09:14:20,039 INFO L78 Accepts]: Start accepts. Automaton has 53204 states and 96656 transitions. Word has length 106 [2020-12-23 09:14:20,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:20,039 INFO L481 AbstractCegarLoop]: Abstraction has 53204 states and 96656 transitions. [2020-12-23 09:14:20,039 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 09:14:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 53204 states and 96656 transitions. [2020-12-23 09:14:20,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:14:20,094 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:20,094 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:14:20,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:14:20,095 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:20,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:20,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1459506328, now seen corresponding path program 1 times [2020-12-23 09:14:20,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:20,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318561126] [2020-12-23 09:14:20,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:20,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318561126] [2020-12-23 09:14:20,499 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:20,499 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 09:14:20,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78412367] [2020-12-23 09:14:20,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:14:20,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:20,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:14:20,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:14:20,501 INFO L87 Difference]: Start difference. First operand 53204 states and 96656 transitions. Second operand 9 states. [2020-12-23 09:14:22,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:22,937 INFO L93 Difference]: Finished difference Result 57294 states and 103411 transitions. [2020-12-23 09:14:22,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:14:22,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2020-12-23 09:14:22,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:23,051 INFO L225 Difference]: With dead ends: 57294 [2020-12-23 09:14:23,052 INFO L226 Difference]: Without dead ends: 53907 [2020-12-23 09:14:23,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-12-23 09:14:23,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53907 states. [2020-12-23 09:14:25,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53907 to 52636. [2020-12-23 09:14:25,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52636 states. [2020-12-23 09:14:25,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52636 states to 52636 states and 95672 transitions. [2020-12-23 09:14:25,494 INFO L78 Accepts]: Start accepts. Automaton has 52636 states and 95672 transitions. Word has length 106 [2020-12-23 09:14:25,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:25,494 INFO L481 AbstractCegarLoop]: Abstraction has 52636 states and 95672 transitions. [2020-12-23 09:14:25,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:14:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 52636 states and 95672 transitions. [2020-12-23 09:14:25,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-23 09:14:25,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:25,547 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:14:25,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:14:25,547 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:25,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:25,548 INFO L82 PathProgramCache]: Analyzing trace with hash -214956528, now seen corresponding path program 1 times [2020-12-23 09:14:25,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:25,548 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119475153] [2020-12-23 09:14:25,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:25,659 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:25,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119475153] [2020-12-23 09:14:25,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:25,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:14:25,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424696527] [2020-12-23 09:14:25,660 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:25,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:25,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:25,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:25,661 INFO L87 Difference]: Start difference. First operand 52636 states and 95672 transitions. Second operand 5 states. [2020-12-23 09:14:28,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:28,326 INFO L93 Difference]: Finished difference Result 54295 states and 98429 transitions. [2020-12-23 09:14:28,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:14:28,327 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 107 [2020-12-23 09:14:28,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:28,405 INFO L225 Difference]: With dead ends: 54295 [2020-12-23 09:14:28,405 INFO L226 Difference]: Without dead ends: 53316 [2020-12-23 09:14:28,417 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:14:28,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53316 states. [2020-12-23 09:14:30,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53316 to 53134. [2020-12-23 09:14:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53134 states. [2020-12-23 09:14:31,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53134 states to 53134 states and 96502 transitions. [2020-12-23 09:14:31,057 INFO L78 Accepts]: Start accepts. Automaton has 53134 states and 96502 transitions. Word has length 107 [2020-12-23 09:14:31,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:31,058 INFO L481 AbstractCegarLoop]: Abstraction has 53134 states and 96502 transitions. [2020-12-23 09:14:31,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:31,058 INFO L276 IsEmpty]: Start isEmpty. Operand 53134 states and 96502 transitions. [2020-12-23 09:14:31,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:14:31,110 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:31,110 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:14:31,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:14:31,110 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:31,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:31,111 INFO L82 PathProgramCache]: Analyzing trace with hash -620422401, now seen corresponding path program 1 times [2020-12-23 09:14:31,111 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:31,111 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826828689] [2020-12-23 09:14:31,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:31,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826828689] [2020-12-23 09:14:31,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:31,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:14:31,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730620301] [2020-12-23 09:14:31,205 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:31,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:31,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:31,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:31,206 INFO L87 Difference]: Start difference. First operand 53134 states and 96502 transitions. Second operand 5 states. [2020-12-23 09:14:35,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:35,451 INFO L93 Difference]: Finished difference Result 109842 states and 198754 transitions. [2020-12-23 09:14:35,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:14:35,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-12-23 09:14:35,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:35,642 INFO L225 Difference]: With dead ends: 109842 [2020-12-23 09:14:35,643 INFO L226 Difference]: Without dead ends: 106902 [2020-12-23 09:14:35,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:14:35,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106902 states. [2020-12-23 09:14:40,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106902 to 104861. [2020-12-23 09:14:40,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104861 states. [2020-12-23 09:14:40,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104861 states to 104861 states and 190596 transitions. [2020-12-23 09:14:40,581 INFO L78 Accepts]: Start accepts. Automaton has 104861 states and 190596 transitions. Word has length 109 [2020-12-23 09:14:40,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:40,582 INFO L481 AbstractCegarLoop]: Abstraction has 104861 states and 190596 transitions. [2020-12-23 09:14:40,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:40,582 INFO L276 IsEmpty]: Start isEmpty. Operand 104861 states and 190596 transitions. [2020-12-23 09:14:40,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 09:14:40,683 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:40,683 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:14:40,683 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:14:40,684 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:40,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:40,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1655597967, now seen corresponding path program 1 times [2020-12-23 09:14:40,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:40,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343996956] [2020-12-23 09:14:40,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:40,770 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:40,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343996956] [2020-12-23 09:14:40,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:40,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:14:40,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638338243] [2020-12-23 09:14:40,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:40,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:40,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:40,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:40,772 INFO L87 Difference]: Start difference. First operand 104861 states and 190596 transitions. Second operand 5 states. [2020-12-23 09:14:44,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:44,923 INFO L93 Difference]: Finished difference Result 109660 states and 198489 transitions. [2020-12-23 09:14:44,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:14:44,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 110 [2020-12-23 09:14:44,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:45,130 INFO L225 Difference]: With dead ends: 109660 [2020-12-23 09:14:45,130 INFO L226 Difference]: Without dead ends: 103931 [2020-12-23 09:14:45,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:14:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103931 states. [2020-12-23 09:14:49,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103931 to 102932. [2020-12-23 09:14:49,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102932 states. [2020-12-23 09:14:49,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102932 states to 102932 states and 187404 transitions. [2020-12-23 09:14:49,534 INFO L78 Accepts]: Start accepts. Automaton has 102932 states and 187404 transitions. Word has length 110 [2020-12-23 09:14:49,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:49,535 INFO L481 AbstractCegarLoop]: Abstraction has 102932 states and 187404 transitions. [2020-12-23 09:14:49,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:14:49,535 INFO L276 IsEmpty]: Start isEmpty. Operand 102932 states and 187404 transitions. [2020-12-23 09:14:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:14:49,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:49,980 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:14:49,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:14:49,980 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:49,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:49,981 INFO L82 PathProgramCache]: Analyzing trace with hash 905160830, now seen corresponding path program 1 times [2020-12-23 09:14:49,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:49,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98945814] [2020-12-23 09:14:49,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:50,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98945814] [2020-12-23 09:14:50,111 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:50,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:14:50,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401940887] [2020-12-23 09:14:50,112 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:14:50,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:50,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:14:50,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:14:50,113 INFO L87 Difference]: Start difference. First operand 102932 states and 187404 transitions. Second operand 5 states. [2020-12-23 09:14:57,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:14:57,790 INFO L93 Difference]: Finished difference Result 212431 states and 385643 transitions. [2020-12-23 09:14:57,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:14:57,791 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-12-23 09:14:57,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:14:58,414 INFO L225 Difference]: With dead ends: 212431 [2020-12-23 09:14:58,415 INFO L226 Difference]: Without dead ends: 210035 [2020-12-23 09:14:58,473 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:14:58,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210035 states. [2020-12-23 09:15:07,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210035 to 205125. [2020-12-23 09:15:07,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205125 states. [2020-12-23 09:15:07,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205125 states to 205125 states and 373465 transitions. [2020-12-23 09:15:07,792 INFO L78 Accepts]: Start accepts. Automaton has 205125 states and 373465 transitions. Word has length 124 [2020-12-23 09:15:07,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:15:07,793 INFO L481 AbstractCegarLoop]: Abstraction has 205125 states and 373465 transitions. [2020-12-23 09:15:07,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:15:07,793 INFO L276 IsEmpty]: Start isEmpty. Operand 205125 states and 373465 transitions. [2020-12-23 09:15:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-23 09:15:08,462 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:15:08,462 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-23 09:15:08,462 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:15:08,462 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:15:08,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:15:08,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1552082939, now seen corresponding path program 1 times [2020-12-23 09:15:08,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:15:08,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450460726] [2020-12-23 09:15:08,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:15:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:15:08,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:15:08,616 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450460726] [2020-12-23 09:15:08,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:15:08,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:15:08,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876686902] [2020-12-23 09:15:08,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:15:08,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:15:08,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:15:08,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:15:08,618 INFO L87 Difference]: Start difference. First operand 205125 states and 373465 transitions. Second operand 10 states.