/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_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:49:12,578 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:49:12,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:49:12,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:49:12,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:49:12,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:49:12,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:49:12,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:49:12,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:49:12,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:49:12,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:49:12,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:49:12,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:49:12,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:49:12,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:49:12,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:49:12,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:49:12,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:49:12,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:49:12,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:49:12,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:49:12,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:49:12,731 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:49:12,734 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:49:12,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:49:12,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:49:12,744 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:49:12,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:49:12,747 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:49:12,748 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:49:12,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:49:12,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:49:12,752 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:49:12,753 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:49:12,754 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:49:12,755 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:49:12,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:49:12,756 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:49:12,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:49:12,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:49:12,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:49:12,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:49:12,814 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:49:12,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:49:12,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:49:12,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:49:12,820 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:49:12,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:49:12,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:49:12,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:49:12,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:49:12,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:49:12,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:49:12,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:49:12,823 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:49:12,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:49:12,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:49:12,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:49:12,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:49:12,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:49:12,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:49:12,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:49:12,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:49:12,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:49:12,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:49:12,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:49:12,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:49:12,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:49:13,299 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:49:13,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:49:13,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:49:13,354 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:49:13,354 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:49:13,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product18.cil.c [2021-01-06 18:49:13,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/aea72bc61/76208133ee694f8eae484a5f8e759cc7/FLAGdd4bcba0a [2021-01-06 18:49:14,292 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:49:14,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product18.cil.c [2021-01-06 18:49:14,318 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/aea72bc61/76208133ee694f8eae484a5f8e759cc7/FLAGdd4bcba0a [2021-01-06 18:49:14,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/aea72bc61/76208133ee694f8eae484a5f8e759cc7 [2021-01-06 18:49:14,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:49:14,521 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:49:14,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:49:14,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:49:14,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:49:14,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:49:14" (1/1) ... [2021-01-06 18:49:14,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7457c64a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:14, skipping insertion in model container [2021-01-06 18:49:14,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:49:14" (1/1) ... [2021-01-06 18:49:14,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:49:14,641 INFO L178 MainTranslator]: Built tables and reachable declarations 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[~__ste_Client_counter~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~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[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~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[~__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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~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~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[~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[~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[~retValue_acc~8,] 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~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[~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[~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[~retValue_acc~9,] 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~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_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~11,] 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~11,] 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~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_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~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_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~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[~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[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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[~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[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] 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_tmp9~0,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~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~7,] 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~20,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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_13~1,] 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~22,] [2021-01-06 18:49:15,251 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_spec3_product18.cil.c[41803,41816] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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[~__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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] 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[~__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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2021-01-06 18:49:15,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:49:15,488 INFO L203 MainTranslator]: Completed pre-run 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[~__ste_Client_counter~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~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[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~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[~__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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~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~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[~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[~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[~retValue_acc~8,] 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~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[~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[~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[~retValue_acc~9,] 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~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_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~11,] 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~11,] 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~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_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~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_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~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[~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[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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[~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[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] 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_tmp9~0,] 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_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~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~7,] 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~20,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] 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_13~1,] 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~22,] [2021-01-06 18:49:15,623 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_spec3_product18.cil.c[41803,41816] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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[~__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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] 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[~__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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2021-01-06 18:49:15,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:49:15,757 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:49:15,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15 WrapperNode [2021-01-06 18:49:15,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:49:15,759 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:49:15,759 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:49:15,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:49:15,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (1/1) ... [2021-01-06 18:49:15,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (1/1) ... [2021-01-06 18:49:15,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:49:15,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:49:15,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:49:15,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:49:15,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (1/1) ... [2021-01-06 18:49:15,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (1/1) ... [2021-01-06 18:49:15,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (1/1) ... [2021-01-06 18:49:15,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (1/1) ... [2021-01-06 18:49:16,022 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (1/1) ... [2021-01-06 18:49:16,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (1/1) ... [2021-01-06 18:49:16,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (1/1) ... [2021-01-06 18:49:16,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:49:16,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:49:16,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:49:16,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:49:16,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (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 [2021-01-06 18:49:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:49:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:49:16,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:49:16,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:49:16,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:49:18,595 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:49:18,595 INFO L299 CfgBuilder]: Removed 283 assume(true) statements. [2021-01-06 18:49:18,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:49:18 BoogieIcfgContainer [2021-01-06 18:49:18,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:49:18,600 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:49:18,600 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:49:18,604 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:49:18,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:49:14" (1/3) ... [2021-01-06 18:49:18,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5a53b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:49:18, skipping insertion in model container [2021-01-06 18:49:18,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:15" (2/3) ... [2021-01-06 18:49:18,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5a53b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:49:18, skipping insertion in model container [2021-01-06 18:49:18,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:49:18" (3/3) ... [2021-01-06 18:49:18,608 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product18.cil.c [2021-01-06 18:49:18,616 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:49:18,622 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-01-06 18:49:18,644 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-06 18:49:18,677 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:49:18,678 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:49:18,678 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:49:18,678 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:49:18,678 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:49:18,678 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:49:18,679 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:49:18,679 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:49:18,707 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states. [2021-01-06 18:49:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 18:49:18,722 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:18,723 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] [2021-01-06 18:49:18,723 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:18,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:18,730 INFO L82 PathProgramCache]: Analyzing trace with hash -1907201492, now seen corresponding path program 1 times [2021-01-06 18:49:18,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:18,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960786135] [2021-01-06 18:49:18,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:19,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960786135] [2021-01-06 18:49:19,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:19,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:19,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092178393] [2021-01-06 18:49:19,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:19,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:19,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:19,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:19,260 INFO L87 Difference]: Start difference. First operand 449 states. Second operand 3 states. [2021-01-06 18:49:19,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:19,413 INFO L93 Difference]: Finished difference Result 1312 states and 2294 transitions. [2021-01-06 18:49:19,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:19,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-01-06 18:49:19,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:19,452 INFO L225 Difference]: With dead ends: 1312 [2021-01-06 18:49:19,452 INFO L226 Difference]: Without dead ends: 782 [2021-01-06 18:49:19,463 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 [2021-01-06 18:49:19,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2021-01-06 18:49:19,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 400. [2021-01-06 18:49:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 18:49:19,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 692 transitions. [2021-01-06 18:49:19,573 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 692 transitions. Word has length 46 [2021-01-06 18:49:19,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:19,574 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 692 transitions. [2021-01-06 18:49:19,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:19,574 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 692 transitions. [2021-01-06 18:49:19,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:49:19,580 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:19,581 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] [2021-01-06 18:49:19,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:49:19,584 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:19,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:19,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1303272127, now seen corresponding path program 1 times [2021-01-06 18:49:19,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:19,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989431835] [2021-01-06 18:49:19,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:19,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:19,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989431835] [2021-01-06 18:49:19,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:19,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:49:19,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819641079] [2021-01-06 18:49:19,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:19,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:19,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:19,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:19,812 INFO L87 Difference]: Start difference. First operand 400 states and 692 transitions. Second operand 5 states. [2021-01-06 18:49:20,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:20,011 INFO L93 Difference]: Finished difference Result 1149 states and 1992 transitions. [2021-01-06 18:49:20,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:49:20,011 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2021-01-06 18:49:20,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:20,017 INFO L225 Difference]: With dead ends: 1149 [2021-01-06 18:49:20,017 INFO L226 Difference]: Without dead ends: 768 [2021-01-06 18:49:20,019 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 [2021-01-06 18:49:20,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2021-01-06 18:49:20,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 400. [2021-01-06 18:49:20,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 18:49:20,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 691 transitions. [2021-01-06 18:49:20,043 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 691 transitions. Word has length 48 [2021-01-06 18:49:20,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:20,044 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 691 transitions. [2021-01-06 18:49:20,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:20,044 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 691 transitions. [2021-01-06 18:49:20,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:49:20,047 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:20,047 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] [2021-01-06 18:49:20,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:49:20,047 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:20,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:20,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1202026484, now seen corresponding path program 1 times [2021-01-06 18:49:20,048 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:20,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213226462] [2021-01-06 18:49:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:20,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:20,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213226462] [2021-01-06 18:49:20,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:20,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:20,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116901431] [2021-01-06 18:49:20,141 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:20,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:20,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:20,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:20,143 INFO L87 Difference]: Start difference. First operand 400 states and 691 transitions. Second operand 3 states. [2021-01-06 18:49:20,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:20,182 INFO L93 Difference]: Finished difference Result 782 states and 1356 transitions. [2021-01-06 18:49:20,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:20,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2021-01-06 18:49:20,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:20,214 INFO L225 Difference]: With dead ends: 782 [2021-01-06 18:49:20,214 INFO L226 Difference]: Without dead ends: 405 [2021-01-06 18:49:20,215 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 [2021-01-06 18:49:20,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-01-06 18:49:20,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 400. [2021-01-06 18:49:20,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 18:49:20,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 690 transitions. [2021-01-06 18:49:20,245 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 690 transitions. Word has length 49 [2021-01-06 18:49:20,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:20,252 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 690 transitions. [2021-01-06 18:49:20,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:20,253 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 690 transitions. [2021-01-06 18:49:20,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:49:20,257 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:20,257 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] [2021-01-06 18:49:20,258 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:49:20,258 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:20,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:20,259 INFO L82 PathProgramCache]: Analyzing trace with hash -1367974702, now seen corresponding path program 1 times [2021-01-06 18:49:20,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:20,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74728916] [2021-01-06 18:49:20,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:20,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74728916] [2021-01-06 18:49:20,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:20,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:20,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215149575] [2021-01-06 18:49:20,431 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:20,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:20,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:20,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:20,433 INFO L87 Difference]: Start difference. First operand 400 states and 690 transitions. Second operand 3 states. [2021-01-06 18:49:20,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:20,470 INFO L93 Difference]: Finished difference Result 792 states and 1369 transitions. [2021-01-06 18:49:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:20,470 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2021-01-06 18:49:20,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:20,473 INFO L225 Difference]: With dead ends: 792 [2021-01-06 18:49:20,473 INFO L226 Difference]: Without dead ends: 400 [2021-01-06 18:49:20,475 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 [2021-01-06 18:49:20,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2021-01-06 18:49:20,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2021-01-06 18:49:20,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 18:49:20,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 688 transitions. [2021-01-06 18:49:20,494 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 688 transitions. Word has length 50 [2021-01-06 18:49:20,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:20,494 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 688 transitions. [2021-01-06 18:49:20,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 688 transitions. [2021-01-06 18:49:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:49:20,496 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:20,496 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] [2021-01-06 18:49:20,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:49:20,496 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:20,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:20,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1384909465, now seen corresponding path program 1 times [2021-01-06 18:49:20,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:20,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832687690] [2021-01-06 18:49:20,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:20,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:20,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832687690] [2021-01-06 18:49:20,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:20,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:49:20,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053026149] [2021-01-06 18:49:20,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:20,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:20,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:20,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:20,603 INFO L87 Difference]: Start difference. First operand 400 states and 688 transitions. Second operand 5 states. [2021-01-06 18:49:20,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:20,742 INFO L93 Difference]: Finished difference Result 1139 states and 1972 transitions. [2021-01-06 18:49:20,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:49:20,742 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 18:49:20,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:20,747 INFO L225 Difference]: With dead ends: 1139 [2021-01-06 18:49:20,748 INFO L226 Difference]: Without dead ends: 766 [2021-01-06 18:49:20,749 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 [2021-01-06 18:49:20,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2021-01-06 18:49:20,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 400. [2021-01-06 18:49:20,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 18:49:20,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 687 transitions. [2021-01-06 18:49:20,774 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 687 transitions. Word has length 51 [2021-01-06 18:49:20,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:20,774 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 687 transitions. [2021-01-06 18:49:20,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 687 transitions. [2021-01-06 18:49:20,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:49:20,776 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:20,776 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] [2021-01-06 18:49:20,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:49:20,776 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:20,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:20,777 INFO L82 PathProgramCache]: Analyzing trace with hash 1298035722, now seen corresponding path program 1 times [2021-01-06 18:49:20,777 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:20,777 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704503686] [2021-01-06 18:49:20,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:20,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:20,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704503686] [2021-01-06 18:49:20,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:20,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:49:20,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869116414] [2021-01-06 18:49:20,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:20,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:20,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:20,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:20,857 INFO L87 Difference]: Start difference. First operand 400 states and 687 transitions. Second operand 5 states. [2021-01-06 18:49:21,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:21,036 INFO L93 Difference]: Finished difference Result 1144 states and 1977 transitions. [2021-01-06 18:49:21,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:49:21,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-01-06 18:49:21,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:21,041 INFO L225 Difference]: With dead ends: 1144 [2021-01-06 18:49:21,042 INFO L226 Difference]: Without dead ends: 771 [2021-01-06 18:49:21,043 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 [2021-01-06 18:49:21,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2021-01-06 18:49:21,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 400. [2021-01-06 18:49:21,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2021-01-06 18:49:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 686 transitions. [2021-01-06 18:49:21,077 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 686 transitions. Word has length 52 [2021-01-06 18:49:21,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:21,077 INFO L481 AbstractCegarLoop]: Abstraction has 400 states and 686 transitions. [2021-01-06 18:49:21,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:21,078 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 686 transitions. [2021-01-06 18:49:21,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:49:21,079 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:21,079 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] [2021-01-06 18:49:21,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:49:21,080 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:21,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1404373282, now seen corresponding path program 1 times [2021-01-06 18:49:21,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:21,081 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474360705] [2021-01-06 18:49:21,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:21,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:21,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474360705] [2021-01-06 18:49:21,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:21,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:21,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452913762] [2021-01-06 18:49:21,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:21,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:21,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:21,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:21,152 INFO L87 Difference]: Start difference. First operand 400 states and 686 transitions. Second operand 3 states. [2021-01-06 18:49:21,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:21,182 INFO L93 Difference]: Finished difference Result 562 states and 948 transitions. [2021-01-06 18:49:21,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:21,182 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-01-06 18:49:21,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:21,185 INFO L225 Difference]: With dead ends: 562 [2021-01-06 18:49:21,185 INFO L226 Difference]: Without dead ends: 403 [2021-01-06 18:49:21,186 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 [2021-01-06 18:49:21,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2021-01-06 18:49:21,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 402. [2021-01-06 18:49:21,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2021-01-06 18:49:21,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 688 transitions. [2021-01-06 18:49:21,211 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 688 transitions. Word has length 53 [2021-01-06 18:49:21,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:21,211 INFO L481 AbstractCegarLoop]: Abstraction has 402 states and 688 transitions. [2021-01-06 18:49:21,211 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:21,211 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 688 transitions. [2021-01-06 18:49:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:49:21,212 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:21,212 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] [2021-01-06 18:49:21,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:49:21,213 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:21,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:21,213 INFO L82 PathProgramCache]: Analyzing trace with hash 357875600, now seen corresponding path program 1 times [2021-01-06 18:49:21,214 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:21,214 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018120545] [2021-01-06 18:49:21,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:21,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:21,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018120545] [2021-01-06 18:49:21,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:21,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:21,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335158737] [2021-01-06 18:49:21,278 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:21,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:21,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:21,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:21,279 INFO L87 Difference]: Start difference. First operand 402 states and 688 transitions. Second operand 3 states. [2021-01-06 18:49:21,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:21,331 INFO L93 Difference]: Finished difference Result 1092 states and 1888 transitions. [2021-01-06 18:49:21,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:21,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:49:21,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:21,337 INFO L225 Difference]: With dead ends: 1092 [2021-01-06 18:49:21,337 INFO L226 Difference]: Without dead ends: 721 [2021-01-06 18:49:21,339 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 [2021-01-06 18:49:21,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2021-01-06 18:49:21,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 562. [2021-01-06 18:49:21,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2021-01-06 18:49:21,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 981 transitions. [2021-01-06 18:49:21,381 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 981 transitions. Word has length 61 [2021-01-06 18:49:21,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:21,382 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 981 transitions. [2021-01-06 18:49:21,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 981 transitions. [2021-01-06 18:49:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:49:21,383 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:21,384 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] [2021-01-06 18:49:21,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:49:21,384 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:21,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:21,385 INFO L82 PathProgramCache]: Analyzing trace with hash 27019055, now seen corresponding path program 1 times [2021-01-06 18:49:21,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:21,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341386657] [2021-01-06 18:49:21,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:21,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341386657] [2021-01-06 18:49:21,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:21,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:49:21,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027270397] [2021-01-06 18:49:21,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:21,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:21,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:21,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:21,494 INFO L87 Difference]: Start difference. First operand 562 states and 981 transitions. Second operand 5 states. [2021-01-06 18:49:21,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:21,780 INFO L93 Difference]: Finished difference Result 1616 states and 2849 transitions. [2021-01-06 18:49:21,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:49:21,781 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2021-01-06 18:49:21,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:21,788 INFO L225 Difference]: With dead ends: 1616 [2021-01-06 18:49:21,788 INFO L226 Difference]: Without dead ends: 1085 [2021-01-06 18:49:21,789 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 [2021-01-06 18:49:21,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2021-01-06 18:49:21,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 562. [2021-01-06 18:49:21,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2021-01-06 18:49:21,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 979 transitions. [2021-01-06 18:49:21,849 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 979 transitions. Word has length 62 [2021-01-06 18:49:21,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:21,850 INFO L481 AbstractCegarLoop]: Abstraction has 562 states and 979 transitions. [2021-01-06 18:49:21,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:21,850 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 979 transitions. [2021-01-06 18:49:21,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:49:21,851 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:21,851 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] [2021-01-06 18:49:21,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:49:21,852 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:21,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:21,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1232598330, now seen corresponding path program 1 times [2021-01-06 18:49:21,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:21,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601800205] [2021-01-06 18:49:21,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:21,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601800205] [2021-01-06 18:49:21,922 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:21,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:21,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211059396] [2021-01-06 18:49:21,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:21,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:21,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:21,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:21,923 INFO L87 Difference]: Start difference. First operand 562 states and 979 transitions. Second operand 3 states. [2021-01-06 18:49:22,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:22,004 INFO L93 Difference]: Finished difference Result 1614 states and 2841 transitions. [2021-01-06 18:49:22,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:22,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2021-01-06 18:49:22,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:22,011 INFO L225 Difference]: With dead ends: 1614 [2021-01-06 18:49:22,011 INFO L226 Difference]: Without dead ends: 1083 [2021-01-06 18:49:22,013 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 [2021-01-06 18:49:22,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1083 states. [2021-01-06 18:49:22,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1083 to 924. [2021-01-06 18:49:22,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2021-01-06 18:49:22,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1642 transitions. [2021-01-06 18:49:22,077 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1642 transitions. Word has length 63 [2021-01-06 18:49:22,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:22,077 INFO L481 AbstractCegarLoop]: Abstraction has 924 states and 1642 transitions. [2021-01-06 18:49:22,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:22,077 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1642 transitions. [2021-01-06 18:49:22,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-01-06 18:49:22,082 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:22,082 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] [2021-01-06 18:49:22,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:49:22,082 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:22,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:22,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1998729188, now seen corresponding path program 1 times [2021-01-06 18:49:22,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:22,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296939575] [2021-01-06 18:49:22,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:22,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:22,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296939575] [2021-01-06 18:49:22,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584241550] [2021-01-06 18:49:22,175 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 [2021-01-06 18:49:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:22,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:49:22,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:49:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:22,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:49:22,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:49:22,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774909935] [2021-01-06 18:49:22,746 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:22,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:22,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:22,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:22,749 INFO L87 Difference]: Start difference. First operand 924 states and 1642 transitions. Second operand 5 states. [2021-01-06 18:49:22,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:22,892 INFO L93 Difference]: Finished difference Result 1461 states and 2554 transitions. [2021-01-06 18:49:22,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:49:22,893 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2021-01-06 18:49:22,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:22,903 INFO L225 Difference]: With dead ends: 1461 [2021-01-06 18:49:22,903 INFO L226 Difference]: Without dead ends: 1302 [2021-01-06 18:49:22,907 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:22,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2021-01-06 18:49:23,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1140. [2021-01-06 18:49:23,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1140 states. [2021-01-06 18:49:23,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1140 states to 1140 states and 2032 transitions. [2021-01-06 18:49:23,029 INFO L78 Accepts]: Start accepts. Automaton has 1140 states and 2032 transitions. Word has length 63 [2021-01-06 18:49:23,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:23,030 INFO L481 AbstractCegarLoop]: Abstraction has 1140 states and 2032 transitions. [2021-01-06 18:49:23,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:23,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 2032 transitions. [2021-01-06 18:49:23,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:49:23,037 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:23,037 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] [2021-01-06 18:49:23,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:49:23,251 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:23,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:23,252 INFO L82 PathProgramCache]: Analyzing trace with hash 2099270049, now seen corresponding path program 1 times [2021-01-06 18:49:23,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:23,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666780034] [2021-01-06 18:49:23,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:23,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:23,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666780034] [2021-01-06 18:49:23,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:23,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:23,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77074364] [2021-01-06 18:49:23,333 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:23,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:23,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:23,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:23,335 INFO L87 Difference]: Start difference. First operand 1140 states and 2032 transitions. Second operand 3 states. [2021-01-06 18:49:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:23,494 INFO L93 Difference]: Finished difference Result 3054 states and 5470 transitions. [2021-01-06 18:49:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:23,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-01-06 18:49:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:23,506 INFO L225 Difference]: With dead ends: 3054 [2021-01-06 18:49:23,506 INFO L226 Difference]: Without dead ends: 2015 [2021-01-06 18:49:23,508 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 [2021-01-06 18:49:23,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2021-01-06 18:49:23,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1856. [2021-01-06 18:49:23,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2021-01-06 18:49:23,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 3337 transitions. [2021-01-06 18:49:23,633 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 3337 transitions. Word has length 67 [2021-01-06 18:49:23,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:23,634 INFO L481 AbstractCegarLoop]: Abstraction has 1856 states and 3337 transitions. [2021-01-06 18:49:23,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:23,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 3337 transitions. [2021-01-06 18:49:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:49:23,638 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:23,638 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] [2021-01-06 18:49:23,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:49:23,639 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:23,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:23,639 INFO L82 PathProgramCache]: Analyzing trace with hash 1292193569, now seen corresponding path program 1 times [2021-01-06 18:49:23,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:23,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345652507] [2021-01-06 18:49:23,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:23,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:23,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345652507] [2021-01-06 18:49:23,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:23,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:23,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65800634] [2021-01-06 18:49:23,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:23,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:23,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:23,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:23,740 INFO L87 Difference]: Start difference. First operand 1856 states and 3337 transitions. Second operand 3 states. [2021-01-06 18:49:23,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:23,934 INFO L93 Difference]: Finished difference Result 4938 states and 8904 transitions. [2021-01-06 18:49:23,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:23,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:49:23,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:23,954 INFO L225 Difference]: With dead ends: 4938 [2021-01-06 18:49:23,955 INFO L226 Difference]: Without dead ends: 3217 [2021-01-06 18:49:23,959 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 [2021-01-06 18:49:23,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3217 states. [2021-01-06 18:49:24,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3217 to 3058. [2021-01-06 18:49:24,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3058 states. [2021-01-06 18:49:24,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 3058 states and 5522 transitions. [2021-01-06 18:49:24,230 INFO L78 Accepts]: Start accepts. Automaton has 3058 states and 5522 transitions. Word has length 68 [2021-01-06 18:49:24,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:24,231 INFO L481 AbstractCegarLoop]: Abstraction has 3058 states and 5522 transitions. [2021-01-06 18:49:24,231 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:24,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3058 states and 5522 transitions. [2021-01-06 18:49:24,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:49:24,236 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:24,237 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] [2021-01-06 18:49:24,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:49:24,237 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:24,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:24,238 INFO L82 PathProgramCache]: Analyzing trace with hash -2052875374, now seen corresponding path program 1 times [2021-01-06 18:49:24,238 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:24,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099138884] [2021-01-06 18:49:24,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:24,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:24,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099138884] [2021-01-06 18:49:24,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:24,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:24,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980319791] [2021-01-06 18:49:24,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:24,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:24,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:24,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:24,320 INFO L87 Difference]: Start difference. First operand 3058 states and 5522 transitions. Second operand 3 states. [2021-01-06 18:49:24,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:24,615 INFO L93 Difference]: Finished difference Result 8260 states and 14942 transitions. [2021-01-06 18:49:24,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:24,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:49:24,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:24,647 INFO L225 Difference]: With dead ends: 8260 [2021-01-06 18:49:24,648 INFO L226 Difference]: Without dead ends: 5371 [2021-01-06 18:49:24,691 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 [2021-01-06 18:49:24,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5371 states. [2021-01-06 18:49:24,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5371 to 5212. [2021-01-06 18:49:24,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5212 states. [2021-01-06 18:49:25,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5212 states to 5212 states and 9427 transitions. [2021-01-06 18:49:25,011 INFO L78 Accepts]: Start accepts. Automaton has 5212 states and 9427 transitions. Word has length 69 [2021-01-06 18:49:25,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:25,011 INFO L481 AbstractCegarLoop]: Abstraction has 5212 states and 9427 transitions. [2021-01-06 18:49:25,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:25,012 INFO L276 IsEmpty]: Start isEmpty. Operand 5212 states and 9427 transitions. [2021-01-06 18:49:25,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:49:25,020 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:25,020 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] [2021-01-06 18:49:25,020 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:49:25,021 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:25,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:25,021 INFO L82 PathProgramCache]: Analyzing trace with hash -215646222, now seen corresponding path program 1 times [2021-01-06 18:49:25,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:25,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237881845] [2021-01-06 18:49:25,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:25,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:25,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237881845] [2021-01-06 18:49:25,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:25,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:25,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046033030] [2021-01-06 18:49:25,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:25,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:25,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:25,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:25,098 INFO L87 Difference]: Start difference. First operand 5212 states and 9427 transitions. Second operand 3 states. [2021-01-06 18:49:25,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:25,834 INFO L93 Difference]: Finished difference Result 15180 states and 27499 transitions. [2021-01-06 18:49:25,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:25,835 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:49:25,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:25,905 INFO L225 Difference]: With dead ends: 15180 [2021-01-06 18:49:25,906 INFO L226 Difference]: Without dead ends: 10141 [2021-01-06 18:49:25,922 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 [2021-01-06 18:49:25,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10141 states. [2021-01-06 18:49:26,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10141 to 9982. [2021-01-06 18:49:26,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9982 states. [2021-01-06 18:49:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9982 states to 9982 states and 18068 transitions. [2021-01-06 18:49:26,739 INFO L78 Accepts]: Start accepts. Automaton has 9982 states and 18068 transitions. Word has length 70 [2021-01-06 18:49:26,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:26,739 INFO L481 AbstractCegarLoop]: Abstraction has 9982 states and 18068 transitions. [2021-01-06 18:49:26,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:26,740 INFO L276 IsEmpty]: Start isEmpty. Operand 9982 states and 18068 transitions. [2021-01-06 18:49:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:49:26,749 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:26,749 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] [2021-01-06 18:49:26,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:49:26,749 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:26,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:26,750 INFO L82 PathProgramCache]: Analyzing trace with hash -540939583, now seen corresponding path program 1 times [2021-01-06 18:49:26,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:26,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418687891] [2021-01-06 18:49:26,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:26,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:26,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418687891] [2021-01-06 18:49:26,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:26,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:26,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445682905] [2021-01-06 18:49:26,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:26,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:26,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:26,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:26,829 INFO L87 Difference]: Start difference. First operand 9982 states and 18068 transitions. Second operand 3 states. [2021-01-06 18:49:28,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:28,026 INFO L93 Difference]: Finished difference Result 29192 states and 52897 transitions. [2021-01-06 18:49:28,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:28,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:49:28,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:28,088 INFO L225 Difference]: With dead ends: 29192 [2021-01-06 18:49:28,089 INFO L226 Difference]: Without dead ends: 19391 [2021-01-06 18:49:28,110 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 [2021-01-06 18:49:28,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19391 states. [2021-01-06 18:49:29,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19391 to 19232. [2021-01-06 18:49:29,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19232 states. [2021-01-06 18:49:29,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19232 states to 19232 states and 34805 transitions. [2021-01-06 18:49:29,395 INFO L78 Accepts]: Start accepts. Automaton has 19232 states and 34805 transitions. Word has length 71 [2021-01-06 18:49:29,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:29,395 INFO L481 AbstractCegarLoop]: Abstraction has 19232 states and 34805 transitions. [2021-01-06 18:49:29,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:29,395 INFO L276 IsEmpty]: Start isEmpty. Operand 19232 states and 34805 transitions. [2021-01-06 18:49:29,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:49:29,405 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:29,406 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] [2021-01-06 18:49:29,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:49:29,406 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:29,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:29,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1208377140, now seen corresponding path program 1 times [2021-01-06 18:49:29,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:29,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928541704] [2021-01-06 18:49:29,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:29,484 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928541704] [2021-01-06 18:49:29,484 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:29,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:29,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286381350] [2021-01-06 18:49:29,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:29,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:29,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:29,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:29,486 INFO L87 Difference]: Start difference. First operand 19232 states and 34805 transitions. Second operand 3 states. [2021-01-06 18:49:31,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:31,242 INFO L93 Difference]: Finished difference Result 57128 states and 103422 transitions. [2021-01-06 18:49:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:31,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:49:31,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:31,380 INFO L225 Difference]: With dead ends: 57128 [2021-01-06 18:49:31,380 INFO L226 Difference]: Without dead ends: 38081 [2021-01-06 18:49:31,418 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 [2021-01-06 18:49:31,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38081 states. [2021-01-06 18:49:33,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38081 to 37922. [2021-01-06 18:49:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37922 states. [2021-01-06 18:49:33,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37922 states to 37922 states and 68534 transitions. [2021-01-06 18:49:33,822 INFO L78 Accepts]: Start accepts. Automaton has 37922 states and 68534 transitions. Word has length 72 [2021-01-06 18:49:33,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:33,822 INFO L481 AbstractCegarLoop]: Abstraction has 37922 states and 68534 transitions. [2021-01-06 18:49:33,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:33,822 INFO L276 IsEmpty]: Start isEmpty. Operand 37922 states and 68534 transitions. [2021-01-06 18:49:33,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:49:33,833 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:33,833 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] [2021-01-06 18:49:33,834 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:49:33,834 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:33,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:33,835 INFO L82 PathProgramCache]: Analyzing trace with hash -41081080, now seen corresponding path program 1 times [2021-01-06 18:49:33,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:33,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684297574] [2021-01-06 18:49:33,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:33,909 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:49:33,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684297574] [2021-01-06 18:49:33,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:33,910 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:49:33,910 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052161051] [2021-01-06 18:49:33,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:33,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:33,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:33,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:33,911 INFO L87 Difference]: Start difference. First operand 37922 states and 68534 transitions. Second operand 5 states. [2021-01-06 18:49:36,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:36,905 INFO L93 Difference]: Finished difference Result 111469 states and 201415 transitions. [2021-01-06 18:49:36,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:49:36,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-01-06 18:49:36,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:37,130 INFO L225 Difference]: With dead ends: 111469 [2021-01-06 18:49:37,130 INFO L226 Difference]: Without dead ends: 73800 [2021-01-06 18:49:37,189 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 [2021-01-06 18:49:37,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73800 states. [2021-01-06 18:49:39,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73800 to 37922. [2021-01-06 18:49:39,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37922 states. [2021-01-06 18:49:39,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37922 states to 37922 states and 68276 transitions. [2021-01-06 18:49:39,674 INFO L78 Accepts]: Start accepts. Automaton has 37922 states and 68276 transitions. Word has length 73 [2021-01-06 18:49:39,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:39,674 INFO L481 AbstractCegarLoop]: Abstraction has 37922 states and 68276 transitions. [2021-01-06 18:49:39,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:39,674 INFO L276 IsEmpty]: Start isEmpty. Operand 37922 states and 68276 transitions. [2021-01-06 18:49:39,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:49:39,687 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:39,687 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] [2021-01-06 18:49:39,688 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:49:39,688 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:39,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:39,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1104720858, now seen corresponding path program 2 times [2021-01-06 18:49:39,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:39,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176327593] [2021-01-06 18:49:39,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:39,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176327593] [2021-01-06 18:49:39,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:39,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:39,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020353133] [2021-01-06 18:49:39,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:39,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:39,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:39,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:39,761 INFO L87 Difference]: Start difference. First operand 37922 states and 68276 transitions. Second operand 3 states. [2021-01-06 18:49:41,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:41,390 INFO L93 Difference]: Finished difference Result 75744 states and 136376 transitions. [2021-01-06 18:49:41,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:41,391 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2021-01-06 18:49:41,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:41,482 INFO L225 Difference]: With dead ends: 75744 [2021-01-06 18:49:41,483 INFO L226 Difference]: Without dead ends: 38081 [2021-01-06 18:49:41,517 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 [2021-01-06 18:49:41,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38081 states. [2021-01-06 18:49:43,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38081 to 37922. [2021-01-06 18:49:43,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37922 states. [2021-01-06 18:49:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37922 states to 37922 states and 68148 transitions. [2021-01-06 18:49:43,335 INFO L78 Accepts]: Start accepts. Automaton has 37922 states and 68148 transitions. Word has length 73 [2021-01-06 18:49:43,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:43,335 INFO L481 AbstractCegarLoop]: Abstraction has 37922 states and 68148 transitions. [2021-01-06 18:49:43,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:43,336 INFO L276 IsEmpty]: Start isEmpty. Operand 37922 states and 68148 transitions. [2021-01-06 18:49:43,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:49:43,346 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:43,346 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] [2021-01-06 18:49:43,347 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:49:43,347 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:43,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:43,347 INFO L82 PathProgramCache]: Analyzing trace with hash 645951379, now seen corresponding path program 1 times [2021-01-06 18:49:43,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:43,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57207343] [2021-01-06 18:49:43,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:43,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57207343] [2021-01-06 18:49:43,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:43,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:43,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637097264] [2021-01-06 18:49:43,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:43,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:43,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:43,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:43,426 INFO L87 Difference]: Start difference. First operand 37922 states and 68148 transitions. Second operand 3 states. [2021-01-06 18:49:45,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:45,844 INFO L93 Difference]: Finished difference Result 105354 states and 189058 transitions. [2021-01-06 18:49:45,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:45,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2021-01-06 18:49:45,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:45,983 INFO L225 Difference]: With dead ends: 105354 [2021-01-06 18:49:45,983 INFO L226 Difference]: Without dead ends: 67651 [2021-01-06 18:49:46,029 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 [2021-01-06 18:49:46,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67651 states. [2021-01-06 18:49:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67651 to 67492. [2021-01-06 18:49:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67492 states. [2021-01-06 18:49:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67492 states to 67492 states and 120757 transitions. [2021-01-06 18:49:49,730 INFO L78 Accepts]: Start accepts. Automaton has 67492 states and 120757 transitions. Word has length 73 [2021-01-06 18:49:49,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:49,730 INFO L481 AbstractCegarLoop]: Abstraction has 67492 states and 120757 transitions. [2021-01-06 18:49:49,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:49,731 INFO L276 IsEmpty]: Start isEmpty. Operand 67492 states and 120757 transitions. [2021-01-06 18:49:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:49:49,740 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:49,741 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] [2021-01-06 18:49:49,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:49:49,741 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:49,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:49,742 INFO L82 PathProgramCache]: Analyzing trace with hash 238424940, now seen corresponding path program 1 times [2021-01-06 18:49:49,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:49,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809145505] [2021-01-06 18:49:49,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:49,840 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:49:49,840 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809145505] [2021-01-06 18:49:49,841 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:49,841 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:49:49,841 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499538656] [2021-01-06 18:49:49,841 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:49,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:49,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:49,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:49,843 INFO L87 Difference]: Start difference. First operand 67492 states and 120757 transitions. Second operand 5 states. [2021-01-06 18:49:52,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:52,806 INFO L93 Difference]: Finished difference Result 68175 states and 121872 transitions. [2021-01-06 18:49:52,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:49:52,807 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2021-01-06 18:49:52,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:52,918 INFO L225 Difference]: With dead ends: 68175 [2021-01-06 18:49:52,918 INFO L226 Difference]: Without dead ends: 68036 [2021-01-06 18:49:52,935 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 [2021-01-06 18:49:52,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68036 states. [2021-01-06 18:49:55,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68036 to 67612. [2021-01-06 18:49:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67612 states. [2021-01-06 18:49:56,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67612 states to 67612 states and 120953 transitions. [2021-01-06 18:49:56,076 INFO L78 Accepts]: Start accepts. Automaton has 67612 states and 120953 transitions. Word has length 74 [2021-01-06 18:49:56,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:56,076 INFO L481 AbstractCegarLoop]: Abstraction has 67612 states and 120953 transitions. [2021-01-06 18:49:56,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:56,077 INFO L276 IsEmpty]: Start isEmpty. Operand 67612 states and 120953 transitions. [2021-01-06 18:49:56,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:49:56,086 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:56,086 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] [2021-01-06 18:49:56,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:49:56,086 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:56,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:56,087 INFO L82 PathProgramCache]: Analyzing trace with hash -2018438250, now seen corresponding path program 1 times [2021-01-06 18:49:56,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:56,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136873746] [2021-01-06 18:49:56,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:56,488 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:49:56,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136873746] [2021-01-06 18:49:56,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:56,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:49:56,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098928442] [2021-01-06 18:49:56,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:49:56,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:56,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:49:56,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:49:56,491 INFO L87 Difference]: Start difference. First operand 67612 states and 120953 transitions. Second operand 7 states. [2021-01-06 18:49:58,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:58,925 INFO L93 Difference]: Finished difference Result 67972 states and 121536 transitions. [2021-01-06 18:49:58,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:49:58,926 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2021-01-06 18:49:58,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:59,035 INFO L225 Difference]: With dead ends: 67972 [2021-01-06 18:49:59,035 INFO L226 Difference]: Without dead ends: 67732 [2021-01-06 18:49:59,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:49:59,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67732 states. [2021-01-06 18:50:02,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67732 to 67577. [2021-01-06 18:50:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67577 states. [2021-01-06 18:50:02,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67577 states to 67577 states and 120892 transitions. [2021-01-06 18:50:02,208 INFO L78 Accepts]: Start accepts. Automaton has 67577 states and 120892 transitions. Word has length 75 [2021-01-06 18:50:02,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:50:02,210 INFO L481 AbstractCegarLoop]: Abstraction has 67577 states and 120892 transitions. [2021-01-06 18:50:02,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:50:02,210 INFO L276 IsEmpty]: Start isEmpty. Operand 67577 states and 120892 transitions. [2021-01-06 18:50:02,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:50:02,220 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:50:02,220 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] [2021-01-06 18:50:02,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:50:02,221 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:50:02,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:50:02,221 INFO L82 PathProgramCache]: Analyzing trace with hash 146095629, now seen corresponding path program 1 times [2021-01-06 18:50:02,222 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:50:02,222 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245804383] [2021-01-06 18:50:02,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:50:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:50:02,335 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:50:02,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245804383] [2021-01-06 18:50:02,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:50:02,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:50:02,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937071494] [2021-01-06 18:50:02,337 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:50:02,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:50:02,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:50:02,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:50:02,338 INFO L87 Difference]: Start difference. First operand 67577 states and 120892 transitions. Second operand 9 states. [2021-01-06 18:50:05,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:50:05,921 INFO L93 Difference]: Finished difference Result 69084 states and 123233 transitions. [2021-01-06 18:50:05,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-06 18:50:05,922 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2021-01-06 18:50:05,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:50:06,025 INFO L225 Difference]: With dead ends: 69084 [2021-01-06 18:50:06,025 INFO L226 Difference]: Without dead ends: 68969 [2021-01-06 18:50:06,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=306, Invalid=750, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 18:50:06,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68969 states. [2021-01-06 18:50:09,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68969 to 67795. [2021-01-06 18:50:09,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67795 states. [2021-01-06 18:50:09,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67795 states to 67795 states and 121247 transitions. [2021-01-06 18:50:09,254 INFO L78 Accepts]: Start accepts. Automaton has 67795 states and 121247 transitions. Word has length 77 [2021-01-06 18:50:09,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:50:09,254 INFO L481 AbstractCegarLoop]: Abstraction has 67795 states and 121247 transitions. [2021-01-06 18:50:09,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:50:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 67795 states and 121247 transitions. [2021-01-06 18:50:09,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:50:09,264 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:50:09,265 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] [2021-01-06 18:50:09,265 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:50:09,265 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:50:09,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:50:09,266 INFO L82 PathProgramCache]: Analyzing trace with hash 599650369, now seen corresponding path program 1 times [2021-01-06 18:50:09,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:50:09,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154177841] [2021-01-06 18:50:09,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:50:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:50:09,356 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:50:09,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154177841] [2021-01-06 18:50:09,357 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936469310] [2021-01-06 18:50:09,357 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 [2021-01-06 18:50:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:50:09,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 987 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:50:09,638 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:50:09,704 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:50:09,705 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:50:09,705 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-01-06 18:50:09,705 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558978130] [2021-01-06 18:50:09,706 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:50:09,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:50:09,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:50:09,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:50:09,707 INFO L87 Difference]: Start difference. First operand 67795 states and 121247 transitions. Second operand 6 states. [2021-01-06 18:50:12,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:50:12,375 INFO L93 Difference]: Finished difference Result 71257 states and 127138 transitions. [2021-01-06 18:50:12,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:50:12,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2021-01-06 18:50:12,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:50:12,494 INFO L225 Difference]: With dead ends: 71257 [2021-01-06 18:50:12,494 INFO L226 Difference]: Without dead ends: 70795 [2021-01-06 18:50:12,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:50:12,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70795 states. [2021-01-06 18:50:15,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70795 to 69825. [2021-01-06 18:50:15,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69825 states. [2021-01-06 18:50:15,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69825 states to 69825 states and 124802 transitions. [2021-01-06 18:50:15,871 INFO L78 Accepts]: Start accepts. Automaton has 69825 states and 124802 transitions. Word has length 78 [2021-01-06 18:50:15,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:50:15,871 INFO L481 AbstractCegarLoop]: Abstraction has 69825 states and 124802 transitions. [2021-01-06 18:50:15,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:50:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 69825 states and 124802 transitions. [2021-01-06 18:50:15,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:50:15,883 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:50:15,883 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] [2021-01-06 18:50:16,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-01-06 18:50:16,085 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:50:16,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:50:16,086 INFO L82 PathProgramCache]: Analyzing trace with hash -510400309, now seen corresponding path program 1 times [2021-01-06 18:50:16,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:50:16,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494984457] [2021-01-06 18:50:16,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:50:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:50:16,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:50:16,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494984457] [2021-01-06 18:50:16,147 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:50:16,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:50:16,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322725823] [2021-01-06 18:50:16,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:50:16,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:50:16,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:50:16,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:50:16,148 INFO L87 Difference]: Start difference. First operand 69825 states and 124802 transitions. Second operand 3 states. [2021-01-06 18:50:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:50:21,347 INFO L93 Difference]: Finished difference Result 203112 states and 363193 transitions. [2021-01-06 18:50:21,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:50:21,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:50:21,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:50:21,662 INFO L225 Difference]: With dead ends: 203112 [2021-01-06 18:50:21,663 INFO L226 Difference]: Without dead ends: 135026 [2021-01-06 18:50:21,738 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 [2021-01-06 18:50:21,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135026 states. [2021-01-06 18:50:28,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135026 to 134564. [2021-01-06 18:50:28,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134564 states. [2021-01-06 18:50:28,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134564 states to 134564 states and 240123 transitions. [2021-01-06 18:50:28,685 INFO L78 Accepts]: Start accepts. Automaton has 134564 states and 240123 transitions. Word has length 78 [2021-01-06 18:50:28,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:50:28,686 INFO L481 AbstractCegarLoop]: Abstraction has 134564 states and 240123 transitions. [2021-01-06 18:50:28,686 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:50:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 134564 states and 240123 transitions. [2021-01-06 18:50:28,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:50:28,722 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:50:28,722 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] [2021-01-06 18:50:28,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:50:28,722 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:50:28,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:50:28,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1040015241, now seen corresponding path program 1 times [2021-01-06 18:50:28,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:50:28,723 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056831527] [2021-01-06 18:50:28,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:50:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:50:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:50:28,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056831527] [2021-01-06 18:50:28,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:50:28,787 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:50:28,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641078289] [2021-01-06 18:50:28,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:50:28,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:50:28,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:50:28,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:50:28,788 INFO L87 Difference]: Start difference. First operand 134564 states and 240123 transitions. Second operand 3 states. [2021-01-06 18:50:37,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:50:37,533 INFO L93 Difference]: Finished difference Result 235521 states and 418589 transitions. [2021-01-06 18:50:37,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:50:37,535 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 18:50:37,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:50:38,090 INFO L225 Difference]: With dead ends: 235521 [2021-01-06 18:50:38,090 INFO L226 Difference]: Without dead ends: 235059 [2021-01-06 18:50:38,150 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 [2021-01-06 18:50:38,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235059 states. [2021-01-06 18:50:48,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235059 to 234597. [2021-01-06 18:50:48,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234597 states. [2021-01-06 18:50:49,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234597 states to 234597 states and 416057 transitions. [2021-01-06 18:50:49,814 INFO L78 Accepts]: Start accepts. Automaton has 234597 states and 416057 transitions. Word has length 79 [2021-01-06 18:50:49,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:50:49,814 INFO L481 AbstractCegarLoop]: Abstraction has 234597 states and 416057 transitions. [2021-01-06 18:50:49,814 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:50:49,815 INFO L276 IsEmpty]: Start isEmpty. Operand 234597 states and 416057 transitions. [2021-01-06 18:50:49,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:50:49,828 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:50:49,828 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:50:49,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:50:49,829 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:50:49,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:50:49,830 INFO L82 PathProgramCache]: Analyzing trace with hash 2000270873, now seen corresponding path program 1 times [2021-01-06 18:50:49,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:50:49,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866639553] [2021-01-06 18:50:49,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:50:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:50:50,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:50:50,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866639553] [2021-01-06 18:50:50,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:50:50,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:50:50,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427533986] [2021-01-06 18:50:50,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:50:50,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:50:50,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:50:50,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:50:50,046 INFO L87 Difference]: Start difference. First operand 234597 states and 416057 transitions. Second operand 9 states. [2021-01-06 18:50:59,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:50:59,329 INFO L93 Difference]: Finished difference Result 235913 states and 418076 transitions. [2021-01-06 18:50:59,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-06 18:50:59,330 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2021-01-06 18:50:59,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:00,072 INFO L225 Difference]: With dead ends: 235913 [2021-01-06 18:51:00,072 INFO L226 Difference]: Without dead ends: 235762 [2021-01-06 18:51:00,133 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=306, Invalid=750, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 18:51:00,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235762 states.