/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_spec11_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:45:30,571 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:45:30,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:45:30,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:45:30,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:45:30,634 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:45:30,636 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:45:30,639 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:45:30,641 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:45:30,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:45:30,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:45:30,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:45:30,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:45:30,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:45:30,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:45:30,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:45:30,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:45:30,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:45:30,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:45:30,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:45:30,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:45:30,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:45:30,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:45:30,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:45:30,702 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:45:30,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:45:30,708 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:45:30,709 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:45:30,710 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:45:30,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:45:30,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:45:30,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:45:30,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:45:30,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:45:30,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:45:30,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:45:30,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:45:30,724 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:45:30,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:45:30,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:45:30,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:45:30,728 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 08:45:30,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:45:30,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:45:30,785 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:45:30,785 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:45:30,785 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:45:30,786 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:45:30,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:45:30,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:45:30,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:45:30,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:45:30,788 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:45:30,788 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:45:30,788 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:45:30,789 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:45:30,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:45:30,789 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:45:30,790 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:45:30,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:45:30,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:45:30,790 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:45:30,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:45:30,791 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:45:30,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:45:30,791 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:45:30,791 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:45:30,791 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:45:31,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:45:31,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:45:31,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:45:31,219 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:45:31,220 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:45:31,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2020-12-23 08:45:31,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6bddacdfa/a4abbe7c0aa0438782211e5c475dcbfe/FLAG34a70745e [2020-12-23 08:45:32,177 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:45:32,180 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2020-12-23 08:45:32,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6bddacdfa/a4abbe7c0aa0438782211e5c475dcbfe/FLAG34a70745e [2020-12-23 08:45:32,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6bddacdfa/a4abbe7c0aa0438782211e5c475dcbfe [2020-12-23 08:45:32,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:45:32,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:45:32,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:45:32,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:45:32,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:45:32,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:45:32" (1/1) ... [2020-12-23 08:45:32,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45238f04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:32, skipping insertion in model container [2020-12-23 08:45:32,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:45:32" (1/1) ... [2020-12-23 08:45:32,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:45:32,452 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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~6,] 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~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~1,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] 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~12,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~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[~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[~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[~retValue_acc~13,] 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[~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[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~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_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~16,] 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~16,] 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[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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_tmp5~4,] 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~8,] 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_tmp5~5,] 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~9,] 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~22,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] 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~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_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~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_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~33,] 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[~__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~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_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~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_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~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_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~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_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~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_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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_tmp2~0,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] 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_tmp4~6,] 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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] 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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:45:33,268 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_spec11_product33.cil.c[64439,64452] [2020-12-23 08:45:33,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:45:33,285 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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~6,] 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~6,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~1,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] 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~12,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~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[~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[~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[~retValue_acc~13,] 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[~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[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] 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~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_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~16,] 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~16,] 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[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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_tmp5~4,] 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~8,] 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_tmp5~5,] 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~9,] 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~22,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] 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~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_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~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_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~33,] 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[~__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~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_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~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_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~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_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~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_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~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_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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_tmp2~0,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] 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_tmp4~6,] 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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] 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___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:45:33,501 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_spec11_product33.cil.c[64439,64452] [2020-12-23 08:45:33,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:45:33,615 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:45:33,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33 WrapperNode [2020-12-23 08:45:33,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:45:33,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:45:33,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:45:33,620 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:45:33,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (1/1) ... [2020-12-23 08:45:33,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (1/1) ... [2020-12-23 08:45:33,865 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:45:33,866 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:45:33,866 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:45:33,866 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:45:33,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (1/1) ... [2020-12-23 08:45:33,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (1/1) ... [2020-12-23 08:45:33,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (1/1) ... [2020-12-23 08:45:33,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (1/1) ... [2020-12-23 08:45:33,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (1/1) ... [2020-12-23 08:45:33,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (1/1) ... [2020-12-23 08:45:33,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (1/1) ... [2020-12-23 08:45:34,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:45:34,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:45:34,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:45:34,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:45:34,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (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 08:45:34,146 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:45:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:45:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:45:34,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:45:34,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:45:36,992 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:45:36,993 INFO L299 CfgBuilder]: Removed 407 assume(true) statements. [2020-12-23 08:45:36,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:45:36 BoogieIcfgContainer [2020-12-23 08:45:36,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:45:36,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:45:36,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:45:37,001 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:45:37,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:45:32" (1/3) ... [2020-12-23 08:45:37,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f71c547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:45:37, skipping insertion in model container [2020-12-23 08:45:37,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:45:33" (2/3) ... [2020-12-23 08:45:37,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f71c547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:45:37, skipping insertion in model container [2020-12-23 08:45:37,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:45:36" (3/3) ... [2020-12-23 08:45:37,005 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product33.cil.c [2020-12-23 08:45:37,012 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:45:37,017 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:45:37,037 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:45:37,069 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:45:37,070 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:45:37,070 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:45:37,070 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:45:37,070 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:45:37,070 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:45:37,070 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:45:37,070 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:45:37,100 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2020-12-23 08:45:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:45:37,122 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:37,124 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] [2020-12-23 08:45:37,124 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:37,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:37,135 INFO L82 PathProgramCache]: Analyzing trace with hash 2079250929, now seen corresponding path program 1 times [2020-12-23 08:45:37,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:37,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843155284] [2020-12-23 08:45:37,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:37,579 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 08:45:37,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843155284] [2020-12-23 08:45:37,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:37,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:37,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628211889] [2020-12-23 08:45:37,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:37,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:37,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:37,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:37,606 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 3 states. [2020-12-23 08:45:37,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:37,802 INFO L93 Difference]: Finished difference Result 1738 states and 2993 transitions. [2020-12-23 08:45:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:37,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 08:45:37,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:37,842 INFO L225 Difference]: With dead ends: 1738 [2020-12-23 08:45:37,842 INFO L226 Difference]: Without dead ends: 1054 [2020-12-23 08:45:37,850 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 08:45:37,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2020-12-23 08:45:37,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 536. [2020-12-23 08:45:37,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-12-23 08:45:37,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 923 transitions. [2020-12-23 08:45:37,967 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 923 transitions. Word has length 62 [2020-12-23 08:45:37,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:37,971 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 923 transitions. [2020-12-23 08:45:37,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:37,971 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 923 transitions. [2020-12-23 08:45:37,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:45:37,982 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:37,983 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] [2020-12-23 08:45:37,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:45:37,984 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:37,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:37,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1225440124, now seen corresponding path program 1 times [2020-12-23 08:45:37,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:37,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196820070] [2020-12-23 08:45:37,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:38,250 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 08:45:38,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196820070] [2020-12-23 08:45:38,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:38,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:45:38,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126485363] [2020-12-23 08:45:38,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:38,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:38,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:38,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:38,257 INFO L87 Difference]: Start difference. First operand 536 states and 923 transitions. Second operand 5 states. [2020-12-23 08:45:38,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:38,510 INFO L93 Difference]: Finished difference Result 1557 states and 2685 transitions. [2020-12-23 08:45:38,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:45:38,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-23 08:45:38,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:38,518 INFO L225 Difference]: With dead ends: 1557 [2020-12-23 08:45:38,519 INFO L226 Difference]: Without dead ends: 1040 [2020-12-23 08:45:38,521 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 08:45:38,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2020-12-23 08:45:38,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 536. [2020-12-23 08:45:38,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-12-23 08:45:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 922 transitions. [2020-12-23 08:45:38,564 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 922 transitions. Word has length 64 [2020-12-23 08:45:38,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:38,564 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 922 transitions. [2020-12-23 08:45:38,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:45:38,564 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 922 transitions. [2020-12-23 08:45:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:45:38,570 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:38,571 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] [2020-12-23 08:45:38,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:45:38,573 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:38,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:38,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1757362129, now seen corresponding path program 1 times [2020-12-23 08:45:38,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:38,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742886569] [2020-12-23 08:45:38,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:38,723 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 08:45:38,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742886569] [2020-12-23 08:45:38,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:38,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:38,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469892168] [2020-12-23 08:45:38,725 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:38,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:38,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:38,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:38,726 INFO L87 Difference]: Start difference. First operand 536 states and 922 transitions. Second operand 3 states. [2020-12-23 08:45:38,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:38,774 INFO L93 Difference]: Finished difference Result 1054 states and 1818 transitions. [2020-12-23 08:45:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:38,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:45:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:38,778 INFO L225 Difference]: With dead ends: 1054 [2020-12-23 08:45:38,779 INFO L226 Difference]: Without dead ends: 541 [2020-12-23 08:45:38,780 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 08:45:38,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2020-12-23 08:45:38,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 536. [2020-12-23 08:45:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-12-23 08:45:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 921 transitions. [2020-12-23 08:45:38,806 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 921 transitions. Word has length 65 [2020-12-23 08:45:38,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:38,806 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 921 transitions. [2020-12-23 08:45:38,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 921 transitions. [2020-12-23 08:45:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:45:38,809 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:38,809 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] [2020-12-23 08:45:38,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:45:38,810 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:38,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:38,811 INFO L82 PathProgramCache]: Analyzing trace with hash -669728617, now seen corresponding path program 1 times [2020-12-23 08:45:38,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:38,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996197925] [2020-12-23 08:45:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:38,933 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 08:45:38,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996197925] [2020-12-23 08:45:38,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:38,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:38,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699811750] [2020-12-23 08:45:38,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:38,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:38,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:38,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:38,936 INFO L87 Difference]: Start difference. First operand 536 states and 921 transitions. Second operand 3 states. [2020-12-23 08:45:38,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:38,992 INFO L93 Difference]: Finished difference Result 1064 states and 1831 transitions. [2020-12-23 08:45:38,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:38,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 08:45:38,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:38,997 INFO L225 Difference]: With dead ends: 1064 [2020-12-23 08:45:38,997 INFO L226 Difference]: Without dead ends: 536 [2020-12-23 08:45:38,999 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 08:45:39,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2020-12-23 08:45:39,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2020-12-23 08:45:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-12-23 08:45:39,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 919 transitions. [2020-12-23 08:45:39,024 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 919 transitions. Word has length 66 [2020-12-23 08:45:39,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:39,027 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 919 transitions. [2020-12-23 08:45:39,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:39,027 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 919 transitions. [2020-12-23 08:45:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:45:39,028 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:39,029 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] [2020-12-23 08:45:39,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:45:39,029 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:39,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:39,030 INFO L82 PathProgramCache]: Analyzing trace with hash 197168940, now seen corresponding path program 1 times [2020-12-23 08:45:39,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:39,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841805353] [2020-12-23 08:45:39,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:39,145 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 08:45:39,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841805353] [2020-12-23 08:45:39,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:39,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:45:39,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705960580] [2020-12-23 08:45:39,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:39,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:39,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:39,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:39,149 INFO L87 Difference]: Start difference. First operand 536 states and 919 transitions. Second operand 5 states. [2020-12-23 08:45:39,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:39,388 INFO L93 Difference]: Finished difference Result 1547 states and 2665 transitions. [2020-12-23 08:45:39,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:45:39,391 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2020-12-23 08:45:39,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:39,399 INFO L225 Difference]: With dead ends: 1547 [2020-12-23 08:45:39,400 INFO L226 Difference]: Without dead ends: 1038 [2020-12-23 08:45:39,402 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 08:45:39,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2020-12-23 08:45:39,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 536. [2020-12-23 08:45:39,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-12-23 08:45:39,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 918 transitions. [2020-12-23 08:45:39,455 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 918 transitions. Word has length 67 [2020-12-23 08:45:39,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:39,457 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 918 transitions. [2020-12-23 08:45:39,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:45:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 918 transitions. [2020-12-23 08:45:39,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:45:39,459 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:39,459 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] [2020-12-23 08:45:39,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:45:39,464 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:39,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:39,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1894291505, now seen corresponding path program 1 times [2020-12-23 08:45:39,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:39,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100589318] [2020-12-23 08:45:39,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:39,615 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 08:45:39,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100589318] [2020-12-23 08:45:39,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:39,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:45:39,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566764096] [2020-12-23 08:45:39,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:39,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:39,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:39,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:39,618 INFO L87 Difference]: Start difference. First operand 536 states and 918 transitions. Second operand 5 states. [2020-12-23 08:45:39,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:39,830 INFO L93 Difference]: Finished difference Result 1552 states and 2670 transitions. [2020-12-23 08:45:39,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:45:39,830 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-23 08:45:39,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:39,837 INFO L225 Difference]: With dead ends: 1552 [2020-12-23 08:45:39,837 INFO L226 Difference]: Without dead ends: 1043 [2020-12-23 08:45:39,839 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 08:45:39,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2020-12-23 08:45:39,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 536. [2020-12-23 08:45:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2020-12-23 08:45:39,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 917 transitions. [2020-12-23 08:45:39,877 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 917 transitions. Word has length 68 [2020-12-23 08:45:39,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:39,877 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 917 transitions. [2020-12-23 08:45:39,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:45:39,877 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 917 transitions. [2020-12-23 08:45:39,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:45:39,879 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:39,879 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] [2020-12-23 08:45:39,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:45:39,879 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:39,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:39,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1752118041, now seen corresponding path program 1 times [2020-12-23 08:45:39,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:39,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505485835] [2020-12-23 08:45:39,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:40,004 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 08:45:40,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505485835] [2020-12-23 08:45:40,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:40,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:40,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870383611] [2020-12-23 08:45:40,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:40,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:40,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:40,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:40,007 INFO L87 Difference]: Start difference. First operand 536 states and 917 transitions. Second operand 3 states. [2020-12-23 08:45:40,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:40,049 INFO L93 Difference]: Finished difference Result 830 states and 1403 transitions. [2020-12-23 08:45:40,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:40,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:45:40,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:40,054 INFO L225 Difference]: With dead ends: 830 [2020-12-23 08:45:40,054 INFO L226 Difference]: Without dead ends: 539 [2020-12-23 08:45:40,056 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 08:45:40,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2020-12-23 08:45:40,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 538. [2020-12-23 08:45:40,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-12-23 08:45:40,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 919 transitions. [2020-12-23 08:45:40,110 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 919 transitions. Word has length 69 [2020-12-23 08:45:40,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:40,112 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 919 transitions. [2020-12-23 08:45:40,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:40,112 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 919 transitions. [2020-12-23 08:45:40,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:45:40,116 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:40,116 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] [2020-12-23 08:45:40,116 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:45:40,117 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:40,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:40,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1476270251, now seen corresponding path program 1 times [2020-12-23 08:45:40,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:40,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941060820] [2020-12-23 08:45:40,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:40,219 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 08:45:40,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941060820] [2020-12-23 08:45:40,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:40,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:40,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309100704] [2020-12-23 08:45:40,220 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:40,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:40,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:40,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:40,221 INFO L87 Difference]: Start difference. First operand 538 states and 919 transitions. Second operand 3 states. [2020-12-23 08:45:40,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:40,299 INFO L93 Difference]: Finished difference Result 1500 states and 2581 transitions. [2020-12-23 08:45:40,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:40,300 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 08:45:40,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:40,306 INFO L225 Difference]: With dead ends: 1500 [2020-12-23 08:45:40,306 INFO L226 Difference]: Without dead ends: 993 [2020-12-23 08:45:40,309 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 08:45:40,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2020-12-23 08:45:40,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 702. [2020-12-23 08:45:40,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-12-23 08:45:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1219 transitions. [2020-12-23 08:45:40,359 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1219 transitions. Word has length 77 [2020-12-23 08:45:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:40,360 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 1219 transitions. [2020-12-23 08:45:40,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1219 transitions. [2020-12-23 08:45:40,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:45:40,366 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:40,366 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] [2020-12-23 08:45:40,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:45:40,368 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:40,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:40,368 INFO L82 PathProgramCache]: Analyzing trace with hash -740536076, now seen corresponding path program 1 times [2020-12-23 08:45:40,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:40,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800085436] [2020-12-23 08:45:40,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:40,485 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 08:45:40,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800085436] [2020-12-23 08:45:40,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:40,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:45:40,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835180463] [2020-12-23 08:45:40,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:40,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:40,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:40,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:40,494 INFO L87 Difference]: Start difference. First operand 702 states and 1219 transitions. Second operand 5 states. [2020-12-23 08:45:40,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:40,829 INFO L93 Difference]: Finished difference Result 2036 states and 3563 transitions. [2020-12-23 08:45:40,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:45:40,829 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-12-23 08:45:40,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:40,838 INFO L225 Difference]: With dead ends: 2036 [2020-12-23 08:45:40,838 INFO L226 Difference]: Without dead ends: 1365 [2020-12-23 08:45:40,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:45:40,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-12-23 08:45:40,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 702. [2020-12-23 08:45:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-12-23 08:45:40,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1217 transitions. [2020-12-23 08:45:40,934 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1217 transitions. Word has length 78 [2020-12-23 08:45:40,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:40,934 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 1217 transitions. [2020-12-23 08:45:40,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:45:40,934 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1217 transitions. [2020-12-23 08:45:40,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:45:40,936 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:40,936 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] [2020-12-23 08:45:40,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:45:40,937 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:40,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:40,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1259603595, now seen corresponding path program 1 times [2020-12-23 08:45:40,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:40,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469591574] [2020-12-23 08:45:40,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:41,007 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 08:45:41,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469591574] [2020-12-23 08:45:41,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:41,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:41,009 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755773389] [2020-12-23 08:45:41,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:41,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:41,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:41,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:41,012 INFO L87 Difference]: Start difference. First operand 702 states and 1217 transitions. Second operand 3 states. [2020-12-23 08:45:41,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:41,119 INFO L93 Difference]: Finished difference Result 2034 states and 3555 transitions. [2020-12-23 08:45:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:41,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 08:45:41,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:41,132 INFO L225 Difference]: With dead ends: 2034 [2020-12-23 08:45:41,132 INFO L226 Difference]: Without dead ends: 1363 [2020-12-23 08:45:41,134 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 08:45:41,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2020-12-23 08:45:41,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1072. [2020-12-23 08:45:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2020-12-23 08:45:41,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1894 transitions. [2020-12-23 08:45:41,229 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1894 transitions. Word has length 79 [2020-12-23 08:45:41,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:41,229 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1894 transitions. [2020-12-23 08:45:41,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:41,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1894 transitions. [2020-12-23 08:45:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:45:41,233 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:41,233 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] [2020-12-23 08:45:41,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:45:41,233 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:41,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:41,234 INFO L82 PathProgramCache]: Analyzing trace with hash -1733546071, now seen corresponding path program 1 times [2020-12-23 08:45:41,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:41,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571183768] [2020-12-23 08:45:41,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:41,333 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 08:45:41,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571183768] [2020-12-23 08:45:41,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65266432] [2020-12-23 08:45:41,334 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 08:45:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:41,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:45:41,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:45:41,939 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 08:45:41,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:45:41,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:45:41,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604826307] [2020-12-23 08:45:41,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:41,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:41,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:41,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:41,942 INFO L87 Difference]: Start difference. First operand 1072 states and 1894 transitions. Second operand 5 states. [2020-12-23 08:45:42,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:42,110 INFO L93 Difference]: Finished difference Result 1877 states and 3261 transitions. [2020-12-23 08:45:42,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:45:42,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2020-12-23 08:45:42,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:42,120 INFO L225 Difference]: With dead ends: 1877 [2020-12-23 08:45:42,121 INFO L226 Difference]: Without dead ends: 1586 [2020-12-23 08:45:42,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 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 08:45:42,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2020-12-23 08:45:42,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1292. [2020-12-23 08:45:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1292 states. [2020-12-23 08:45:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 2291 transitions. [2020-12-23 08:45:42,300 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 2291 transitions. Word has length 79 [2020-12-23 08:45:42,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:42,301 INFO L481 AbstractCegarLoop]: Abstraction has 1292 states and 2291 transitions. [2020-12-23 08:45:42,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:45:42,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 2291 transitions. [2020-12-23 08:45:42,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:45:42,305 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:42,305 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] [2020-12-23 08:45:42,519 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:45:42,520 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:42,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:42,522 INFO L82 PathProgramCache]: Analyzing trace with hash 73155654, now seen corresponding path program 1 times [2020-12-23 08:45:42,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:42,523 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472494148] [2020-12-23 08:45:42,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:42,633 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 08:45:42,633 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472494148] [2020-12-23 08:45:42,633 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:42,633 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:42,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317168902] [2020-12-23 08:45:42,634 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:42,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:42,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:42,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:42,635 INFO L87 Difference]: Start difference. First operand 1292 states and 2291 transitions. Second operand 3 states. [2020-12-23 08:45:42,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:42,822 INFO L93 Difference]: Finished difference Result 3506 states and 6240 transitions. [2020-12-23 08:45:42,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:42,822 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-23 08:45:42,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:42,837 INFO L225 Difference]: With dead ends: 3506 [2020-12-23 08:45:42,837 INFO L226 Difference]: Without dead ends: 2315 [2020-12-23 08:45:42,840 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 08:45:42,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2020-12-23 08:45:42,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2024. [2020-12-23 08:45:42,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2024 states. [2020-12-23 08:45:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 3624 transitions. [2020-12-23 08:45:43,001 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 3624 transitions. Word has length 83 [2020-12-23 08:45:43,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:43,002 INFO L481 AbstractCegarLoop]: Abstraction has 2024 states and 3624 transitions. [2020-12-23 08:45:43,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 3624 transitions. [2020-12-23 08:45:43,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:45:43,008 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:43,008 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] [2020-12-23 08:45:43,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:45:43,008 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:43,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:43,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1047117370, now seen corresponding path program 1 times [2020-12-23 08:45:43,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:43,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329366858] [2020-12-23 08:45:43,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:43,123 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 08:45:43,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329366858] [2020-12-23 08:45:43,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:43,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:43,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644003727] [2020-12-23 08:45:43,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:43,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:43,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:43,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:43,132 INFO L87 Difference]: Start difference. First operand 2024 states and 3624 transitions. Second operand 3 states. [2020-12-23 08:45:43,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:43,371 INFO L93 Difference]: Finished difference Result 5438 states and 9758 transitions. [2020-12-23 08:45:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:43,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-23 08:45:43,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:43,393 INFO L225 Difference]: With dead ends: 5438 [2020-12-23 08:45:43,394 INFO L226 Difference]: Without dead ends: 3549 [2020-12-23 08:45:43,398 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 08:45:43,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3549 states. [2020-12-23 08:45:43,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3549 to 3258. [2020-12-23 08:45:43,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3258 states. [2020-12-23 08:45:43,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 3258 states and 5865 transitions. [2020-12-23 08:45:43,660 INFO L78 Accepts]: Start accepts. Automaton has 3258 states and 5865 transitions. Word has length 84 [2020-12-23 08:45:43,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:43,661 INFO L481 AbstractCegarLoop]: Abstraction has 3258 states and 5865 transitions. [2020-12-23 08:45:43,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:43,661 INFO L276 IsEmpty]: Start isEmpty. Operand 3258 states and 5865 transitions. [2020-12-23 08:45:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:45:43,668 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:43,668 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] [2020-12-23 08:45:43,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:45:43,668 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:43,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:43,669 INFO L82 PathProgramCache]: Analyzing trace with hash 118983735, now seen corresponding path program 1 times [2020-12-23 08:45:43,669 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:43,669 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898534624] [2020-12-23 08:45:43,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:43,734 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 08:45:43,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898534624] [2020-12-23 08:45:43,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:43,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:43,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375025409] [2020-12-23 08:45:43,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:43,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:43,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:43,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:43,737 INFO L87 Difference]: Start difference. First operand 3258 states and 5865 transitions. Second operand 3 states. [2020-12-23 08:45:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:44,152 INFO L93 Difference]: Finished difference Result 8856 states and 15964 transitions. [2020-12-23 08:45:44,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:44,154 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2020-12-23 08:45:44,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:44,229 INFO L225 Difference]: With dead ends: 8856 [2020-12-23 08:45:44,229 INFO L226 Difference]: Without dead ends: 5767 [2020-12-23 08:45:44,242 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 08:45:44,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5767 states. [2020-12-23 08:45:44,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5767 to 5476. [2020-12-23 08:45:44,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5476 states. [2020-12-23 08:45:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5476 states to 5476 states and 9882 transitions. [2020-12-23 08:45:44,739 INFO L78 Accepts]: Start accepts. Automaton has 5476 states and 9882 transitions. Word has length 85 [2020-12-23 08:45:44,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:44,740 INFO L481 AbstractCegarLoop]: Abstraction has 5476 states and 9882 transitions. [2020-12-23 08:45:44,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 5476 states and 9882 transitions. [2020-12-23 08:45:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:45:44,752 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:44,752 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] [2020-12-23 08:45:44,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:45:44,752 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:44,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:44,753 INFO L82 PathProgramCache]: Analyzing trace with hash -603672425, now seen corresponding path program 1 times [2020-12-23 08:45:44,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:44,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051430725] [2020-12-23 08:45:44,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:44,880 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 08:45:44,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051430725] [2020-12-23 08:45:44,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:44,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:44,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169485104] [2020-12-23 08:45:44,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:44,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:44,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:44,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:44,888 INFO L87 Difference]: Start difference. First operand 5476 states and 9882 transitions. Second operand 3 states. [2020-12-23 08:45:45,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:45,536 INFO L93 Difference]: Finished difference Result 15836 states and 28626 transitions. [2020-12-23 08:45:45,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:45,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-23 08:45:45,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:45,573 INFO L225 Difference]: With dead ends: 15836 [2020-12-23 08:45:45,573 INFO L226 Difference]: Without dead ends: 10537 [2020-12-23 08:45:45,589 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 08:45:45,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10537 states. [2020-12-23 08:45:46,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10537 to 10246. [2020-12-23 08:45:46,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10246 states. [2020-12-23 08:45:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10246 states to 10246 states and 18523 transitions. [2020-12-23 08:45:46,251 INFO L78 Accepts]: Start accepts. Automaton has 10246 states and 18523 transitions. Word has length 86 [2020-12-23 08:45:46,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:46,251 INFO L481 AbstractCegarLoop]: Abstraction has 10246 states and 18523 transitions. [2020-12-23 08:45:46,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:46,251 INFO L276 IsEmpty]: Start isEmpty. Operand 10246 states and 18523 transitions. [2020-12-23 08:45:46,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 08:45:46,266 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:46,266 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] [2020-12-23 08:45:46,267 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:45:46,267 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:46,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:46,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1612210842, now seen corresponding path program 1 times [2020-12-23 08:45:46,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:46,268 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942634356] [2020-12-23 08:45:46,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:46,403 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 08:45:46,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942634356] [2020-12-23 08:45:46,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:46,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:46,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247707814] [2020-12-23 08:45:46,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:46,404 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:46,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:46,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:46,405 INFO L87 Difference]: Start difference. First operand 10246 states and 18523 transitions. Second operand 3 states. [2020-12-23 08:45:47,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:47,463 INFO L93 Difference]: Finished difference Result 29976 states and 54248 transitions. [2020-12-23 08:45:47,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:47,464 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-12-23 08:45:47,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:47,524 INFO L225 Difference]: With dead ends: 29976 [2020-12-23 08:45:47,524 INFO L226 Difference]: Without dead ends: 19915 [2020-12-23 08:45:47,545 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 08:45:47,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19915 states. [2020-12-23 08:45:48,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19915 to 19624. [2020-12-23 08:45:48,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19624 states. [2020-12-23 08:45:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19624 states to 19624 states and 35484 transitions. [2020-12-23 08:45:49,027 INFO L78 Accepts]: Start accepts. Automaton has 19624 states and 35484 transitions. Word has length 87 [2020-12-23 08:45:49,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:49,027 INFO L481 AbstractCegarLoop]: Abstraction has 19624 states and 35484 transitions. [2020-12-23 08:45:49,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:49,027 INFO L276 IsEmpty]: Start isEmpty. Operand 19624 states and 35484 transitions. [2020-12-23 08:45:49,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:45:49,050 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:49,050 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] [2020-12-23 08:45:49,050 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:45:49,050 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:49,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:49,051 INFO L82 PathProgramCache]: Analyzing trace with hash 615129126, now seen corresponding path program 1 times [2020-12-23 08:45:49,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:49,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089543673] [2020-12-23 08:45:49,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:49,121 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 08:45:49,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089543673] [2020-12-23 08:45:49,121 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:49,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:49,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954831839] [2020-12-23 08:45:49,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:49,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:49,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:49,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:49,123 INFO L87 Difference]: Start difference. First operand 19624 states and 35484 transitions. Second operand 3 states. [2020-12-23 08:45:50,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:50,713 INFO L93 Difference]: Finished difference Result 58296 states and 105445 transitions. [2020-12-23 08:45:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:50,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-12-23 08:45:50,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:50,844 INFO L225 Difference]: With dead ends: 58296 [2020-12-23 08:45:50,845 INFO L226 Difference]: Without dead ends: 38861 [2020-12-23 08:45:50,882 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 08:45:50,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38861 states. [2020-12-23 08:45:53,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38861 to 38570. [2020-12-23 08:45:53,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38570 states. [2020-12-23 08:45:53,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38570 states to 38570 states and 69661 transitions. [2020-12-23 08:45:53,426 INFO L78 Accepts]: Start accepts. Automaton has 38570 states and 69661 transitions. Word has length 88 [2020-12-23 08:45:53,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:53,426 INFO L481 AbstractCegarLoop]: Abstraction has 38570 states and 69661 transitions. [2020-12-23 08:45:53,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 38570 states and 69661 transitions. [2020-12-23 08:45:53,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:45:53,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:53,457 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] [2020-12-23 08:45:53,457 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:45:53,458 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:53,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:53,458 INFO L82 PathProgramCache]: Analyzing trace with hash 1210867405, now seen corresponding path program 1 times [2020-12-23 08:45:53,458 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:53,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1154658722] [2020-12-23 08:45:53,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:53,554 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 08:45:53,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1154658722] [2020-12-23 08:45:53,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:53,555 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:45:53,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350670204] [2020-12-23 08:45:53,557 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:53,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:53,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:53,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:53,560 INFO L87 Difference]: Start difference. First operand 38570 states and 69661 transitions. Second operand 5 states. [2020-12-23 08:45:56,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:56,378 INFO L93 Difference]: Finished difference Result 113405 states and 204782 transitions. [2020-12-23 08:45:56,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:45:56,379 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-12-23 08:45:56,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:56,612 INFO L225 Difference]: With dead ends: 113405 [2020-12-23 08:45:56,612 INFO L226 Difference]: Without dead ends: 75092 [2020-12-23 08:45:56,692 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 08:45:56,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75092 states. [2020-12-23 08:45:58,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75092 to 38570. [2020-12-23 08:45:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38570 states. [2020-12-23 08:45:58,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38570 states to 38570 states and 69403 transitions. [2020-12-23 08:45:58,848 INFO L78 Accepts]: Start accepts. Automaton has 38570 states and 69403 transitions. Word has length 89 [2020-12-23 08:45:58,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:58,848 INFO L481 AbstractCegarLoop]: Abstraction has 38570 states and 69403 transitions. [2020-12-23 08:45:58,848 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:45:58,848 INFO L276 IsEmpty]: Start isEmpty. Operand 38570 states and 69403 transitions. [2020-12-23 08:45:58,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:45:58,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:58,871 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:58,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:45:58,871 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:58,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:58,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1782282261, now seen corresponding path program 2 times [2020-12-23 08:45:58,872 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:58,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875946970] [2020-12-23 08:45:58,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:58,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:58,955 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875946970] [2020-12-23 08:45:58,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:58,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:45:58,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459697872] [2020-12-23 08:45:58,956 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:58,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:58,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:58,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:58,957 INFO L87 Difference]: Start difference. First operand 38570 states and 69403 transitions. Second operand 5 states. [2020-12-23 08:46:01,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:01,004 INFO L93 Difference]: Finished difference Result 77168 states and 138847 transitions. [2020-12-23 08:46:01,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:46:01,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2020-12-23 08:46:01,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:01,094 INFO L225 Difference]: With dead ends: 77168 [2020-12-23 08:46:01,094 INFO L226 Difference]: Without dead ends: 38861 [2020-12-23 08:46:01,127 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 08:46:01,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38861 states. [2020-12-23 08:46:02,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38861 to 38570. [2020-12-23 08:46:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38570 states. [2020-12-23 08:46:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38570 states to 38570 states and 69275 transitions. [2020-12-23 08:46:03,049 INFO L78 Accepts]: Start accepts. Automaton has 38570 states and 69275 transitions. Word has length 89 [2020-12-23 08:46:03,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:03,049 INFO L481 AbstractCegarLoop]: Abstraction has 38570 states and 69275 transitions. [2020-12-23 08:46:03,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:46:03,050 INFO L276 IsEmpty]: Start isEmpty. Operand 38570 states and 69275 transitions. [2020-12-23 08:46:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-12-23 08:46:03,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:03,074 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] [2020-12-23 08:46:03,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:46:03,074 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:03,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:03,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1600178136, now seen corresponding path program 1 times [2020-12-23 08:46:03,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:03,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560562733] [2020-12-23 08:46:03,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:03,148 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 08:46:03,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560562733] [2020-12-23 08:46:03,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:03,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:03,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839824796] [2020-12-23 08:46:03,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:46:03,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:03,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:46:03,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:46:03,151 INFO L87 Difference]: Start difference. First operand 38570 states and 69275 transitions. Second operand 3 states. [2020-12-23 08:46:05,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:05,895 INFO L93 Difference]: Finished difference Result 107290 states and 192425 transitions. [2020-12-23 08:46:05,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:46:05,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2020-12-23 08:46:05,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:06,137 INFO L225 Difference]: With dead ends: 107290 [2020-12-23 08:46:06,138 INFO L226 Difference]: Without dead ends: 68943 [2020-12-23 08:46:06,172 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 08:46:06,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68943 states. [2020-12-23 08:46:09,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68943 to 68652. [2020-12-23 08:46:09,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68652 states. [2020-12-23 08:46:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68652 states to 68652 states and 122780 transitions. [2020-12-23 08:46:09,414 INFO L78 Accepts]: Start accepts. Automaton has 68652 states and 122780 transitions. Word has length 89 [2020-12-23 08:46:09,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:09,414 INFO L481 AbstractCegarLoop]: Abstraction has 68652 states and 122780 transitions. [2020-12-23 08:46:09,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:46:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 68652 states and 122780 transitions. [2020-12-23 08:46:09,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-12-23 08:46:09,435 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:09,435 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] [2020-12-23 08:46:09,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:46:09,436 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:09,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:09,436 INFO L82 PathProgramCache]: Analyzing trace with hash 601359153, now seen corresponding path program 1 times [2020-12-23 08:46:09,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:09,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032587631] [2020-12-23 08:46:09,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:09,587 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 08:46:09,588 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032587631] [2020-12-23 08:46:09,588 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:09,588 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:46:09,588 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621193795] [2020-12-23 08:46:09,589 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:46:09,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:09,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:46:09,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:46:09,590 INFO L87 Difference]: Start difference. First operand 68652 states and 122780 transitions. Second operand 9 states. [2020-12-23 08:46:16,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:16,462 INFO L93 Difference]: Finished difference Result 139563 states and 249221 transitions. [2020-12-23 08:46:16,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-23 08:46:16,470 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-12-23 08:46:16,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:16,747 INFO L225 Difference]: With dead ends: 139563 [2020-12-23 08:46:16,748 INFO L226 Difference]: Without dead ends: 139303 [2020-12-23 08:46:16,787 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2020-12-23 08:46:16,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139303 states. [2020-12-23 08:46:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139303 to 137155. [2020-12-23 08:46:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137155 states. [2020-12-23 08:46:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137155 states to 137155 states and 245321 transitions. [2020-12-23 08:46:23,344 INFO L78 Accepts]: Start accepts. Automaton has 137155 states and 245321 transitions. Word has length 90 [2020-12-23 08:46:23,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:23,344 INFO L481 AbstractCegarLoop]: Abstraction has 137155 states and 245321 transitions. [2020-12-23 08:46:23,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:46:23,345 INFO L276 IsEmpty]: Start isEmpty. Operand 137155 states and 245321 transitions. [2020-12-23 08:46:23,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 08:46:23,370 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:23,371 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] [2020-12-23 08:46:23,371 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:46:23,371 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:23,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:23,372 INFO L82 PathProgramCache]: Analyzing trace with hash -1818348351, now seen corresponding path program 1 times [2020-12-23 08:46:23,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:23,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855105756] [2020-12-23 08:46:23,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:23,476 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 08:46:23,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855105756] [2020-12-23 08:46:23,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:23,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:46:23,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425719131] [2020-12-23 08:46:23,477 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:46:23,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:23,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:46:23,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:46:23,478 INFO L87 Difference]: Start difference. First operand 137155 states and 245321 transitions. Second operand 7 states. [2020-12-23 08:46:28,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:28,761 INFO L93 Difference]: Finished difference Result 137987 states and 246676 transitions. [2020-12-23 08:46:28,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:46:28,761 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2020-12-23 08:46:28,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:29,027 INFO L225 Difference]: With dead ends: 137987 [2020-12-23 08:46:29,027 INFO L226 Difference]: Without dead ends: 137447 [2020-12-23 08:46:29,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:46:29,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137447 states. [2020-12-23 08:46:35,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137447 to 137137. [2020-12-23 08:46:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137137 states. [2020-12-23 08:46:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137137 states to 137137 states and 245281 transitions. [2020-12-23 08:46:35,763 INFO L78 Accepts]: Start accepts. Automaton has 137137 states and 245281 transitions. Word has length 91 [2020-12-23 08:46:35,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:35,764 INFO L481 AbstractCegarLoop]: Abstraction has 137137 states and 245281 transitions. [2020-12-23 08:46:35,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:46:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 137137 states and 245281 transitions. [2020-12-23 08:46:35,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 08:46:35,797 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:35,798 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] [2020-12-23 08:46:35,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:46:35,798 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:35,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:35,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1315648921, now seen corresponding path program 1 times [2020-12-23 08:46:35,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:35,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228753123] [2020-12-23 08:46:35,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:35,875 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 08:46:35,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228753123] [2020-12-23 08:46:35,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:35,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:46:35,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877920419] [2020-12-23 08:46:35,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:46:35,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:35,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:46:35,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:46:35,877 INFO L87 Difference]: Start difference. First operand 137137 states and 245281 transitions. Second operand 4 states. [2020-12-23 08:46:43,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:46:43,781 INFO L93 Difference]: Finished difference Result 207060 states and 370119 transitions. [2020-12-23 08:46:43,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:46:43,782 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2020-12-23 08:46:43,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:46:44,396 INFO L225 Difference]: With dead ends: 207060 [2020-12-23 08:46:44,396 INFO L226 Difference]: Without dead ends: 206641 [2020-12-23 08:46:44,451 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 08:46:44,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206641 states. [2020-12-23 08:46:53,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206641 to 205750. [2020-12-23 08:46:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205750 states. [2020-12-23 08:46:54,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205750 states to 205750 states and 367990 transitions. [2020-12-23 08:46:54,285 INFO L78 Accepts]: Start accepts. Automaton has 205750 states and 367990 transitions. Word has length 91 [2020-12-23 08:46:54,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:46:54,286 INFO L481 AbstractCegarLoop]: Abstraction has 205750 states and 367990 transitions. [2020-12-23 08:46:54,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:46:54,286 INFO L276 IsEmpty]: Start isEmpty. Operand 205750 states and 367990 transitions. [2020-12-23 08:46:54,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2020-12-23 08:46:54,345 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:46:54,346 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] [2020-12-23 08:46:54,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:46:54,346 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:46:54,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:46:54,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1338281175, now seen corresponding path program 1 times [2020-12-23 08:46:54,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:46:54,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103057176] [2020-12-23 08:46:54,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:46:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:46:54,490 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 08:46:54,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103057176] [2020-12-23 08:46:54,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:46:54,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:46:54,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687166166] [2020-12-23 08:46:54,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:46:54,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:46:54,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:46:54,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:46:54,493 INFO L87 Difference]: Start difference. First operand 205750 states and 367990 transitions. Second operand 9 states. [2020-12-23 08:47:03,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:47:03,545 INFO L93 Difference]: Finished difference Result 210974 states and 376422 transitions. [2020-12-23 08:47:03,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:47:03,545 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2020-12-23 08:47:03,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:47:03,963 INFO L225 Difference]: With dead ends: 210974 [2020-12-23 08:47:03,963 INFO L226 Difference]: Without dead ends: 210173 [2020-12-23 08:47:04,015 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:47:04,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210173 states. [2020-12-23 08:47:13,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210173 to 206058. [2020-12-23 08:47:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206058 states. [2020-12-23 08:47:14,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206058 states to 206058 states and 368470 transitions. [2020-12-23 08:47:14,366 INFO L78 Accepts]: Start accepts. Automaton has 206058 states and 368470 transitions. Word has length 91 [2020-12-23 08:47:14,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:47:14,366 INFO L481 AbstractCegarLoop]: Abstraction has 206058 states and 368470 transitions. [2020-12-23 08:47:14,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:47:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 206058 states and 368470 transitions. [2020-12-23 08:47:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:47:14,408 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:47:14,408 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] [2020-12-23 08:47:14,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:47:14,409 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:47:14,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:47:14,409 INFO L82 PathProgramCache]: Analyzing trace with hash -798369583, now seen corresponding path program 1 times [2020-12-23 08:47:14,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:47:14,409 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345014215] [2020-12-23 08:47:14,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:47:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:47:14,513 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 08:47:14,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345014215] [2020-12-23 08:47:14,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:47:14,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:47:14,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343057802] [2020-12-23 08:47:14,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:47:14,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:47:14,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:47:14,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:47:14,515 INFO L87 Difference]: Start difference. First operand 206058 states and 368470 transitions. Second operand 5 states. [2020-12-23 08:47:24,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:47:24,171 INFO L93 Difference]: Finished difference Result 212912 states and 379492 transitions. [2020-12-23 08:47:24,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:47:24,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2020-12-23 08:47:24,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:47:24,993 INFO L225 Difference]: With dead ends: 212912 [2020-12-23 08:47:24,993 INFO L226 Difference]: Without dead ends: 211933 [2020-12-23 08:47:25,122 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 08:47:25,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211933 states. [2020-12-23 08:47:35,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211933 to 207309. [2020-12-23 08:47:35,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207309 states. [2020-12-23 08:47:36,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207309 states to 207309 states and 370455 transitions. [2020-12-23 08:47:36,296 INFO L78 Accepts]: Start accepts. Automaton has 207309 states and 370455 transitions. Word has length 92 [2020-12-23 08:47:36,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:47:36,296 INFO L481 AbstractCegarLoop]: Abstraction has 207309 states and 370455 transitions. [2020-12-23 08:47:36,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:47:36,296 INFO L276 IsEmpty]: Start isEmpty. Operand 207309 states and 370455 transitions. [2020-12-23 08:47:36,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:47:36,337 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:47:36,337 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] [2020-12-23 08:47:36,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:47:36,337 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:47:36,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:47:36,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1352833989, now seen corresponding path program 1 times [2020-12-23 08:47:36,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:47:36,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913867172] [2020-12-23 08:47:36,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:47:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:47:36,442 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 08:47:36,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913867172] [2020-12-23 08:47:36,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:47:36,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:47:36,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651144675] [2020-12-23 08:47:36,443 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:47:36,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:47:36,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:47:36,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:47:36,444 INFO L87 Difference]: Start difference. First operand 207309 states and 370455 transitions. Second operand 7 states. [2020-12-23 08:47:45,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:47:45,793 INFO L93 Difference]: Finished difference Result 216395 states and 384868 transitions. [2020-12-23 08:47:45,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:47:45,793 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 94 [2020-12-23 08:47:45,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:47:46,252 INFO L225 Difference]: With dead ends: 216395 [2020-12-23 08:47:46,252 INFO L226 Difference]: Without dead ends: 214685 [2020-12-23 08:47:46,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 08:47:46,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214685 states. [2020-12-23 08:47:56,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214685 to 207337. [2020-12-23 08:47:56,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207337 states. [2020-12-23 08:47:56,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207337 states to 207337 states and 370483 transitions. [2020-12-23 08:47:56,719 INFO L78 Accepts]: Start accepts. Automaton has 207337 states and 370483 transitions. Word has length 94 [2020-12-23 08:47:56,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:47:56,720 INFO L481 AbstractCegarLoop]: Abstraction has 207337 states and 370483 transitions. [2020-12-23 08:47:56,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:47:56,720 INFO L276 IsEmpty]: Start isEmpty. Operand 207337 states and 370483 transitions. [2020-12-23 08:47:56,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:47:56,761 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:47:56,761 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] [2020-12-23 08:47:56,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:47:56,762 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:47:56,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:47:56,762 INFO L82 PathProgramCache]: Analyzing trace with hash 647148054, now seen corresponding path program 1 times [2020-12-23 08:47:56,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:47:56,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064724351] [2020-12-23 08:47:56,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:47:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:47:56,893 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 08:47:56,894 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064724351] [2020-12-23 08:47:56,894 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:47:56,894 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:47:56,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337493022] [2020-12-23 08:47:56,895 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:47:56,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:47:56,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:47:56,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:47:56,896 INFO L87 Difference]: Start difference. First operand 207337 states and 370483 transitions. Second operand 10 states. [2020-12-23 08:48:05,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:05,701 INFO L93 Difference]: Finished difference Result 211046 states and 376332 transitions. [2020-12-23 08:48:05,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 08:48:05,701 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 94 [2020-12-23 08:48:05,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:06,104 INFO L225 Difference]: With dead ends: 211046 [2020-12-23 08:48:06,104 INFO L226 Difference]: Without dead ends: 208778 [2020-12-23 08:48:06,155 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2020-12-23 08:48:06,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208778 states. [2020-12-23 08:48:15,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208778 to 207287. [2020-12-23 08:48:15,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207287 states. [2020-12-23 08:48:16,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207287 states to 207287 states and 370383 transitions. [2020-12-23 08:48:16,596 INFO L78 Accepts]: Start accepts. Automaton has 207287 states and 370383 transitions. Word has length 94 [2020-12-23 08:48:16,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:16,596 INFO L481 AbstractCegarLoop]: Abstraction has 207287 states and 370383 transitions. [2020-12-23 08:48:16,597 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:48:16,597 INFO L276 IsEmpty]: Start isEmpty. Operand 207287 states and 370383 transitions. [2020-12-23 08:48:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:48:16,648 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:16,648 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] [2020-12-23 08:48:16,648 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:48:16,648 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:16,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:16,649 INFO L82 PathProgramCache]: Analyzing trace with hash -2144335325, now seen corresponding path program 1 times [2020-12-23 08:48:16,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:16,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109218289] [2020-12-23 08:48:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:16,811 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 08:48:16,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109218289] [2020-12-23 08:48:16,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:16,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-23 08:48:16,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371868984] [2020-12-23 08:48:16,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-23 08:48:16,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:16,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-23 08:48:16,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:48:16,814 INFO L87 Difference]: Start difference. First operand 207287 states and 370383 transitions. Second operand 12 states. [2020-12-23 08:48:28,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:28,352 INFO L93 Difference]: Finished difference Result 220358 states and 391141 transitions. [2020-12-23 08:48:28,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-12-23 08:48:28,352 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 95 [2020-12-23 08:48:28,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:28,969 INFO L225 Difference]: With dead ends: 220358 [2020-12-23 08:48:28,969 INFO L226 Difference]: Without dead ends: 218690 [2020-12-23 08:48:29,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 687 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=675, Invalid=2081, Unknown=0, NotChecked=0, Total=2756 [2020-12-23 08:48:29,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218690 states. [2020-12-23 08:48:41,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218690 to 208079. [2020-12-23 08:48:41,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208079 states. [2020-12-23 08:48:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208079 states to 208079 states and 371665 transitions. [2020-12-23 08:48:41,944 INFO L78 Accepts]: Start accepts. Automaton has 208079 states and 371665 transitions. Word has length 95 [2020-12-23 08:48:41,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:41,944 INFO L481 AbstractCegarLoop]: Abstraction has 208079 states and 371665 transitions. [2020-12-23 08:48:41,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-23 08:48:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 208079 states and 371665 transitions. [2020-12-23 08:48:41,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:48:41,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:41,986 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] [2020-12-23 08:48:41,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:48:41,986 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:41,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:41,987 INFO L82 PathProgramCache]: Analyzing trace with hash 894850761, now seen corresponding path program 1 times [2020-12-23 08:48:41,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:41,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890811135] [2020-12-23 08:48:41,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:42,090 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 08:48:42,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890811135] [2020-12-23 08:48:42,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:42,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:48:42,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118921186] [2020-12-23 08:48:42,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:48:42,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:42,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:48:42,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:48:42,093 INFO L87 Difference]: Start difference. First operand 208079 states and 371665 transitions. Second operand 8 states. [2020-12-23 08:48:50,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:50,711 INFO L93 Difference]: Finished difference Result 212082 states and 377986 transitions. [2020-12-23 08:48:50,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:48:50,711 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2020-12-23 08:48:50,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:51,284 INFO L225 Difference]: With dead ends: 212082 [2020-12-23 08:48:51,285 INFO L226 Difference]: Without dead ends: 208822 [2020-12-23 08:48:51,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2020-12-23 08:48:51,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208822 states. [2020-12-23 08:49:00,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208822 to 207458. [2020-12-23 08:49:00,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207458 states. [2020-12-23 08:49:01,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207458 states to 207458 states and 370636 transitions. [2020-12-23 08:49:01,691 INFO L78 Accepts]: Start accepts. Automaton has 207458 states and 370636 transitions. Word has length 95 [2020-12-23 08:49:01,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:01,692 INFO L481 AbstractCegarLoop]: Abstraction has 207458 states and 370636 transitions. [2020-12-23 08:49:01,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 08:49:01,692 INFO L276 IsEmpty]: Start isEmpty. Operand 207458 states and 370636 transitions. [2020-12-23 08:49:01,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:49:01,743 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:01,743 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] [2020-12-23 08:49:01,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:49:01,743 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:01,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:01,744 INFO L82 PathProgramCache]: Analyzing trace with hash 1377653352, now seen corresponding path program 1 times [2020-12-23 08:49:01,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:01,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546372936] [2020-12-23 08:49:01,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:01,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546372936] [2020-12-23 08:49:01,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [560953307] [2020-12-23 08:49:01,852 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 08:49:02,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:02,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:49:02,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:49:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:02,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:49:02,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-12-23 08:49:02,825 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670088651] [2020-12-23 08:49:02,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:49:02,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:02,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:49:02,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:49:02,827 INFO L87 Difference]: Start difference. First operand 207458 states and 370636 transitions. Second operand 6 states.