/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_spec6_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:57:33,533 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:57:33,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:57:33,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:57:33,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:57:33,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:57:33,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:57:33,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:57:33,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:57:33,583 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:57:33,584 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:57:33,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:57:33,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:57:33,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:57:33,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:57:33,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:57:33,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:57:33,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:57:33,610 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:57:33,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:57:33,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:57:33,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:57:33,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:57:33,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:57:33,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:57:33,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:57:33,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:57:33,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:57:33,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:57:33,626 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:57:33,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:57:33,627 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:57:33,628 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:57:33,629 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:57:33,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:57:33,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:57:33,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:57:33,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:57:33,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:57:33,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:57:33,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:57:33,636 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 18:57:33,664 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:57:33,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:57:33,666 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:57:33,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:57:33,667 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:57:33,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:57:33,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:57:33,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:57:33,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:57:33,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:57:33,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:57:33,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:57:33,670 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:57:33,670 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:57:33,670 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:57:33,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:57:33,671 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:57:33,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:57:33,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:57:33,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:57:33,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:57:33,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:57:33,677 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:57:33,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:57:33,677 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:57:33,677 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:57:34,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:57:34,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:57:34,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:57:34,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:57:34,154 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:57:34,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product30.cil.c [2021-01-06 18:57:34,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6130fa6b6/85304882a4714cf2a2a2a12d9476516e/FLAG113b7ce78 [2021-01-06 18:57:35,113 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:57:35,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product30.cil.c [2021-01-06 18:57:35,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6130fa6b6/85304882a4714cf2a2a2a12d9476516e/FLAG113b7ce78 [2021-01-06 18:57:35,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6130fa6b6/85304882a4714cf2a2a2a12d9476516e [2021-01-06 18:57:35,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:57:35,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:57:35,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:57:35,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:57:35,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:57:35,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:57:35" (1/1) ... [2021-01-06 18:57:35,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63b77086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:35, skipping insertion in model container [2021-01-06 18:57:35,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:57:35" (1/1) ... [2021-01-06 18:57:35,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:57:35,345 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__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~1,] 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~2,] 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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] 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[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] [2021-01-06 18:57:36,162 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_spec6_product30.cil.c[64404,64417] [2021-01-06 18:57:36,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:57:36,191 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__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~1,] 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~2,] 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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] 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[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] [2021-01-06 18:57:36,362 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_spec6_product30.cil.c[64404,64417] [2021-01-06 18:57:36,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:57:36,466 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:57:36,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36 WrapperNode [2021-01-06 18:57:36,467 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:57:36,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:57:36,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:57:36,469 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:57:36,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (1/1) ... [2021-01-06 18:57:36,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (1/1) ... [2021-01-06 18:57:36,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:57:36,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:57:36,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:57:36,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:57:36,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (1/1) ... [2021-01-06 18:57:36,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (1/1) ... [2021-01-06 18:57:36,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (1/1) ... [2021-01-06 18:57:36,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (1/1) ... [2021-01-06 18:57:36,728 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (1/1) ... [2021-01-06 18:57:36,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (1/1) ... [2021-01-06 18:57:36,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (1/1) ... [2021-01-06 18:57:36,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:57:36,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:57:36,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:57:36,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:57:36,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (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 18:57:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:57:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:57:36,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:57:36,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:57:36,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:57:39,497 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:57:39,497 INFO L299 CfgBuilder]: Removed 331 assume(true) statements. [2021-01-06 18:57:39,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:57:39 BoogieIcfgContainer [2021-01-06 18:57:39,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:57:39,502 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:57:39,502 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:57:39,506 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:57:39,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:57:35" (1/3) ... [2021-01-06 18:57:39,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfc40fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:57:39, skipping insertion in model container [2021-01-06 18:57:39,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:57:36" (2/3) ... [2021-01-06 18:57:39,508 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dfc40fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:57:39, skipping insertion in model container [2021-01-06 18:57:39,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:57:39" (3/3) ... [2021-01-06 18:57:39,510 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product30.cil.c [2021-01-06 18:57:39,517 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:57:39,523 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:57:39,544 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:57:39,576 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:57:39,576 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:57:39,577 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:57:39,577 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:57:39,577 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:57:39,577 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:57:39,577 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:57:39,577 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:57:39,605 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states. [2021-01-06 18:57:39,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:57:39,621 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:39,622 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] [2021-01-06 18:57:39,623 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:39,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:39,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1078464191, now seen corresponding path program 1 times [2021-01-06 18:57:39,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:39,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143678748] [2021-01-06 18:57:39,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:40,188 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 18:57:40,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143678748] [2021-01-06 18:57:40,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:40,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:40,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255227952] [2021-01-06 18:57:40,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:40,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:40,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:40,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:40,217 INFO L87 Difference]: Start difference. First operand 519 states. Second operand 3 states. [2021-01-06 18:57:40,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:40,449 INFO L93 Difference]: Finished difference Result 1522 states and 2660 transitions. [2021-01-06 18:57:40,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:40,451 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-06 18:57:40,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:40,482 INFO L225 Difference]: With dead ends: 1522 [2021-01-06 18:57:40,483 INFO L226 Difference]: Without dead ends: 868 [2021-01-06 18:57:40,491 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 18:57:40,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2021-01-06 18:57:40,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 443. [2021-01-06 18:57:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-01-06 18:57:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 770 transitions. [2021-01-06 18:57:40,593 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 770 transitions. Word has length 54 [2021-01-06 18:57:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:40,593 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 770 transitions. [2021-01-06 18:57:40,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:40,594 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 770 transitions. [2021-01-06 18:57:40,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:57:40,604 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:40,605 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] [2021-01-06 18:57:40,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:57:40,605 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:40,609 INFO L82 PathProgramCache]: Analyzing trace with hash 1064279764, now seen corresponding path program 1 times [2021-01-06 18:57:40,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:40,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921662678] [2021-01-06 18:57:40,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:40,826 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 18:57:40,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921662678] [2021-01-06 18:57:40,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:40,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:57:40,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079694126] [2021-01-06 18:57:40,829 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:57:40,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:40,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:57:40,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:57:40,831 INFO L87 Difference]: Start difference. First operand 443 states and 770 transitions. Second operand 5 states. [2021-01-06 18:57:41,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:41,098 INFO L93 Difference]: Finished difference Result 1278 states and 2226 transitions. [2021-01-06 18:57:41,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:57:41,099 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-01-06 18:57:41,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:41,109 INFO L225 Difference]: With dead ends: 1278 [2021-01-06 18:57:41,109 INFO L226 Difference]: Without dead ends: 854 [2021-01-06 18:57:41,112 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 18:57:41,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 854 states. [2021-01-06 18:57:41,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 854 to 443. [2021-01-06 18:57:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-01-06 18:57:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 769 transitions. [2021-01-06 18:57:41,165 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 769 transitions. Word has length 56 [2021-01-06 18:57:41,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:41,166 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 769 transitions. [2021-01-06 18:57:41,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:57:41,167 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 769 transitions. [2021-01-06 18:57:41,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:57:41,170 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:41,171 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] [2021-01-06 18:57:41,172 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:57:41,172 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:41,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:41,176 INFO L82 PathProgramCache]: Analyzing trace with hash -567005407, now seen corresponding path program 1 times [2021-01-06 18:57:41,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:41,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611449733] [2021-01-06 18:57:41,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:41,318 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 18:57:41,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611449733] [2021-01-06 18:57:41,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:41,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:41,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891329169] [2021-01-06 18:57:41,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:41,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:41,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:41,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:41,333 INFO L87 Difference]: Start difference. First operand 443 states and 769 transitions. Second operand 3 states. [2021-01-06 18:57:41,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:41,381 INFO L93 Difference]: Finished difference Result 868 states and 1512 transitions. [2021-01-06 18:57:41,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:41,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-06 18:57:41,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:41,385 INFO L225 Difference]: With dead ends: 868 [2021-01-06 18:57:41,385 INFO L226 Difference]: Without dead ends: 448 [2021-01-06 18:57:41,386 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 18:57:41,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2021-01-06 18:57:41,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 443. [2021-01-06 18:57:41,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-01-06 18:57:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 768 transitions. [2021-01-06 18:57:41,414 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 768 transitions. Word has length 57 [2021-01-06 18:57:41,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:41,421 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 768 transitions. [2021-01-06 18:57:41,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:41,421 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 768 transitions. [2021-01-06 18:57:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:57:41,423 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:41,423 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] [2021-01-06 18:57:41,423 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:57:41,423 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:41,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:41,424 INFO L82 PathProgramCache]: Analyzing trace with hash -500572697, now seen corresponding path program 1 times [2021-01-06 18:57:41,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:41,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204923200] [2021-01-06 18:57:41,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:41,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:41,532 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 18:57:41,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204923200] [2021-01-06 18:57:41,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:41,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:41,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117146083] [2021-01-06 18:57:41,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:41,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:41,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:41,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:41,537 INFO L87 Difference]: Start difference. First operand 443 states and 768 transitions. Second operand 3 states. [2021-01-06 18:57:41,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:41,576 INFO L93 Difference]: Finished difference Result 878 states and 1525 transitions. [2021-01-06 18:57:41,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:41,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:57:41,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:41,580 INFO L225 Difference]: With dead ends: 878 [2021-01-06 18:57:41,580 INFO L226 Difference]: Without dead ends: 443 [2021-01-06 18:57:41,581 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 18:57:41,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2021-01-06 18:57:41,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2021-01-06 18:57:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-01-06 18:57:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 766 transitions. [2021-01-06 18:57:41,600 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 766 transitions. Word has length 58 [2021-01-06 18:57:41,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:41,602 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 766 transitions. [2021-01-06 18:57:41,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:41,602 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 766 transitions. [2021-01-06 18:57:41,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:57:41,604 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:41,604 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] [2021-01-06 18:57:41,605 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:57:41,605 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:41,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:41,606 INFO L82 PathProgramCache]: Analyzing trace with hash -2115759748, now seen corresponding path program 1 times [2021-01-06 18:57:41,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:41,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77963606] [2021-01-06 18:57:41,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:41,731 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 18:57:41,732 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77963606] [2021-01-06 18:57:41,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:41,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:57:41,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181339785] [2021-01-06 18:57:41,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:57:41,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:41,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:57:41,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:57:41,736 INFO L87 Difference]: Start difference. First operand 443 states and 766 transitions. Second operand 5 states. [2021-01-06 18:57:41,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:41,926 INFO L93 Difference]: Finished difference Result 1268 states and 2206 transitions. [2021-01-06 18:57:41,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:57:41,927 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2021-01-06 18:57:41,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:41,933 INFO L225 Difference]: With dead ends: 1268 [2021-01-06 18:57:41,933 INFO L226 Difference]: Without dead ends: 852 [2021-01-06 18:57:41,935 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 18:57:41,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 852 states. [2021-01-06 18:57:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 852 to 443. [2021-01-06 18:57:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-01-06 18:57:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 765 transitions. [2021-01-06 18:57:41,966 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 765 transitions. Word has length 59 [2021-01-06 18:57:41,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:41,966 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 765 transitions. [2021-01-06 18:57:41,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:57:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 765 transitions. [2021-01-06 18:57:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:57:41,968 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:41,968 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] [2021-01-06 18:57:41,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:57:41,968 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:41,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:41,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1375519457, now seen corresponding path program 1 times [2021-01-06 18:57:41,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:41,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857572604] [2021-01-06 18:57:41,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:42,098 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 18:57:42,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857572604] [2021-01-06 18:57:42,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:42,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:57:42,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079188270] [2021-01-06 18:57:42,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:57:42,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:42,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:57:42,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:57:42,100 INFO L87 Difference]: Start difference. First operand 443 states and 765 transitions. Second operand 5 states. [2021-01-06 18:57:42,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:42,270 INFO L93 Difference]: Finished difference Result 1273 states and 2211 transitions. [2021-01-06 18:57:42,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:57:42,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-01-06 18:57:42,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:42,276 INFO L225 Difference]: With dead ends: 1273 [2021-01-06 18:57:42,277 INFO L226 Difference]: Without dead ends: 857 [2021-01-06 18:57:42,278 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 18:57:42,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2021-01-06 18:57:42,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 443. [2021-01-06 18:57:42,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2021-01-06 18:57:42,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 764 transitions. [2021-01-06 18:57:42,309 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 764 transitions. Word has length 60 [2021-01-06 18:57:42,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:42,309 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 764 transitions. [2021-01-06 18:57:42,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:57:42,309 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 764 transitions. [2021-01-06 18:57:42,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:57:42,310 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:42,310 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] [2021-01-06 18:57:42,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:57:42,312 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:42,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:42,316 INFO L82 PathProgramCache]: Analyzing trace with hash -1184941513, now seen corresponding path program 1 times [2021-01-06 18:57:42,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:42,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83861884] [2021-01-06 18:57:42,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:42,421 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 18:57:42,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83861884] [2021-01-06 18:57:42,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:42,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:42,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430215676] [2021-01-06 18:57:42,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:42,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:42,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:42,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:42,424 INFO L87 Difference]: Start difference. First operand 443 states and 764 transitions. Second operand 3 states. [2021-01-06 18:57:42,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:42,462 INFO L93 Difference]: Finished difference Result 648 states and 1104 transitions. [2021-01-06 18:57:42,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:42,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:57:42,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:42,466 INFO L225 Difference]: With dead ends: 648 [2021-01-06 18:57:42,467 INFO L226 Difference]: Without dead ends: 446 [2021-01-06 18:57:42,469 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 18:57:42,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2021-01-06 18:57:42,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 445. [2021-01-06 18:57:42,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2021-01-06 18:57:42,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 766 transitions. [2021-01-06 18:57:42,549 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 766 transitions. Word has length 61 [2021-01-06 18:57:42,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:42,552 INFO L481 AbstractCegarLoop]: Abstraction has 445 states and 766 transitions. [2021-01-06 18:57:42,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:42,552 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 766 transitions. [2021-01-06 18:57:42,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:57:42,554 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:42,554 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:42,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:57:42,555 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:42,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:42,556 INFO L82 PathProgramCache]: Analyzing trace with hash -934239579, now seen corresponding path program 1 times [2021-01-06 18:57:42,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:42,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148797359] [2021-01-06 18:57:42,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:42,650 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 18:57:42,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148797359] [2021-01-06 18:57:42,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:42,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:42,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102208965] [2021-01-06 18:57:42,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:42,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:42,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:42,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:42,653 INFO L87 Difference]: Start difference. First operand 445 states and 766 transitions. Second operand 3 states. [2021-01-06 18:57:42,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:42,722 INFO L93 Difference]: Finished difference Result 1221 states and 2122 transitions. [2021-01-06 18:57:42,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:42,723 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:57:42,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:42,728 INFO L225 Difference]: With dead ends: 1221 [2021-01-06 18:57:42,728 INFO L226 Difference]: Without dead ends: 807 [2021-01-06 18:57:42,730 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 18:57:42,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-01-06 18:57:42,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 605. [2021-01-06 18:57:42,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2021-01-06 18:57:42,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1059 transitions. [2021-01-06 18:57:42,775 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1059 transitions. Word has length 69 [2021-01-06 18:57:42,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:42,775 INFO L481 AbstractCegarLoop]: Abstraction has 605 states and 1059 transitions. [2021-01-06 18:57:42,775 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:42,775 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1059 transitions. [2021-01-06 18:57:42,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:57:42,780 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:42,780 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:42,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:57:42,782 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:42,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:42,782 INFO L82 PathProgramCache]: Analyzing trace with hash -1432216764, now seen corresponding path program 1 times [2021-01-06 18:57:42,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:42,784 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77897761] [2021-01-06 18:57:42,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:42,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:42,906 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 18:57:42,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77897761] [2021-01-06 18:57:42,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:42,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:57:42,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785636608] [2021-01-06 18:57:42,912 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:57:42,913 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:42,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:57:42,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:57:42,915 INFO L87 Difference]: Start difference. First operand 605 states and 1059 transitions. Second operand 5 states. [2021-01-06 18:57:43,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:43,191 INFO L93 Difference]: Finished difference Result 1745 states and 3083 transitions. [2021-01-06 18:57:43,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:57:43,192 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2021-01-06 18:57:43,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:43,200 INFO L225 Difference]: With dead ends: 1745 [2021-01-06 18:57:43,200 INFO L226 Difference]: Without dead ends: 1171 [2021-01-06 18:57:43,203 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 18:57:43,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2021-01-06 18:57:43,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 605. [2021-01-06 18:57:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 605 states. [2021-01-06 18:57:43,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 1057 transitions. [2021-01-06 18:57:43,266 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 1057 transitions. Word has length 70 [2021-01-06 18:57:43,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:43,266 INFO L481 AbstractCegarLoop]: Abstraction has 605 states and 1057 transitions. [2021-01-06 18:57:43,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:57:43,267 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 1057 transitions. [2021-01-06 18:57:43,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:57:43,273 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:43,273 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:43,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:57:43,273 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:43,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:43,274 INFO L82 PathProgramCache]: Analyzing trace with hash -646424613, now seen corresponding path program 1 times [2021-01-06 18:57:43,274 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:43,274 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256549242] [2021-01-06 18:57:43,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:43,393 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 18:57:43,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256549242] [2021-01-06 18:57:43,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:43,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:43,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301283641] [2021-01-06 18:57:43,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:43,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:43,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:43,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:43,397 INFO L87 Difference]: Start difference. First operand 605 states and 1057 transitions. Second operand 3 states. [2021-01-06 18:57:43,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:43,489 INFO L93 Difference]: Finished difference Result 1743 states and 3075 transitions. [2021-01-06 18:57:43,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:43,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:57:43,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:43,498 INFO L225 Difference]: With dead ends: 1743 [2021-01-06 18:57:43,498 INFO L226 Difference]: Without dead ends: 1169 [2021-01-06 18:57:43,503 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 18:57:43,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2021-01-06 18:57:43,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 967. [2021-01-06 18:57:43,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2021-01-06 18:57:43,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1720 transitions. [2021-01-06 18:57:43,580 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1720 transitions. Word has length 71 [2021-01-06 18:57:43,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:43,580 INFO L481 AbstractCegarLoop]: Abstraction has 967 states and 1720 transitions. [2021-01-06 18:57:43,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:43,580 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1720 transitions. [2021-01-06 18:57:43,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:57:43,583 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:43,583 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:43,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:57:43,584 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:43,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1541243143, now seen corresponding path program 1 times [2021-01-06 18:57:43,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:43,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130160319] [2021-01-06 18:57:43,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:43,675 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 18:57:43,675 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130160319] [2021-01-06 18:57:43,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012103636] [2021-01-06 18:57:43,676 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 18:57:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:44,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:57:44,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:57:44,323 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 18:57:44,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:57:44,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:57:44,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021194755] [2021-01-06 18:57:44,325 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:57:44,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:44,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:57:44,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:57:44,326 INFO L87 Difference]: Start difference. First operand 967 states and 1720 transitions. Second operand 5 states. [2021-01-06 18:57:44,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:44,464 INFO L93 Difference]: Finished difference Result 1590 states and 2788 transitions. [2021-01-06 18:57:44,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:57:44,465 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2021-01-06 18:57:44,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:44,474 INFO L225 Difference]: With dead ends: 1590 [2021-01-06 18:57:44,474 INFO L226 Difference]: Without dead ends: 1388 [2021-01-06 18:57:44,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 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 18:57:44,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2021-01-06 18:57:44,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1183. [2021-01-06 18:57:44,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1183 states. [2021-01-06 18:57:44,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 2110 transitions. [2021-01-06 18:57:44,580 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 2110 transitions. Word has length 71 [2021-01-06 18:57:44,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:44,580 INFO L481 AbstractCegarLoop]: Abstraction has 1183 states and 2110 transitions. [2021-01-06 18:57:44,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:57:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 2110 transitions. [2021-01-06 18:57:44,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:57:44,583 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:44,583 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] [2021-01-06 18:57:44,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:57:44,799 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:44,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:44,800 INFO L82 PathProgramCache]: Analyzing trace with hash 351638454, now seen corresponding path program 1 times [2021-01-06 18:57:44,800 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:44,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031209944] [2021-01-06 18:57:44,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:44,884 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 18:57:44,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031209944] [2021-01-06 18:57:44,884 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:44,884 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:44,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648673162] [2021-01-06 18:57:44,885 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:44,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:44,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:44,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:44,886 INFO L87 Difference]: Start difference. First operand 1183 states and 2110 transitions. Second operand 3 states. [2021-01-06 18:57:45,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:45,035 INFO L93 Difference]: Finished difference Result 3183 states and 5704 transitions. [2021-01-06 18:57:45,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:45,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:57:45,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:45,049 INFO L225 Difference]: With dead ends: 3183 [2021-01-06 18:57:45,050 INFO L226 Difference]: Without dead ends: 2101 [2021-01-06 18:57:45,053 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 18:57:45,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2021-01-06 18:57:45,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 1899. [2021-01-06 18:57:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1899 states. [2021-01-06 18:57:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1899 states and 3415 transitions. [2021-01-06 18:57:45,212 INFO L78 Accepts]: Start accepts. Automaton has 1899 states and 3415 transitions. Word has length 75 [2021-01-06 18:57:45,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:45,214 INFO L481 AbstractCegarLoop]: Abstraction has 1899 states and 3415 transitions. [2021-01-06 18:57:45,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:45,214 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 3415 transitions. [2021-01-06 18:57:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:57:45,218 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:45,218 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] [2021-01-06 18:57:45,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:57:45,219 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:45,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:45,219 INFO L82 PathProgramCache]: Analyzing trace with hash -2067459786, now seen corresponding path program 1 times [2021-01-06 18:57:45,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:45,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088227833] [2021-01-06 18:57:45,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:45,327 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 18:57:45,327 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088227833] [2021-01-06 18:57:45,327 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:45,328 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:45,328 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052594362] [2021-01-06 18:57:45,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:45,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:45,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:45,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:45,329 INFO L87 Difference]: Start difference. First operand 1899 states and 3415 transitions. Second operand 3 states. [2021-01-06 18:57:45,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:45,565 INFO L93 Difference]: Finished difference Result 5067 states and 9138 transitions. [2021-01-06 18:57:45,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:45,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:57:45,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:45,585 INFO L225 Difference]: With dead ends: 5067 [2021-01-06 18:57:45,585 INFO L226 Difference]: Without dead ends: 3303 [2021-01-06 18:57:45,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:45,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2021-01-06 18:57:45,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 3101. [2021-01-06 18:57:45,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3101 states. [2021-01-06 18:57:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 5600 transitions. [2021-01-06 18:57:45,899 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 5600 transitions. Word has length 76 [2021-01-06 18:57:45,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:45,900 INFO L481 AbstractCegarLoop]: Abstraction has 3101 states and 5600 transitions. [2021-01-06 18:57:45,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:45,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 5600 transitions. [2021-01-06 18:57:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:57:45,909 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:45,909 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] [2021-01-06 18:57:45,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:57:45,909 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:45,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:45,911 INFO L82 PathProgramCache]: Analyzing trace with hash 42753191, now seen corresponding path program 1 times [2021-01-06 18:57:45,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:45,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006664129] [2021-01-06 18:57:45,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:45,987 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 18:57:45,988 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006664129] [2021-01-06 18:57:45,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:45,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:45,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165579064] [2021-01-06 18:57:45,989 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:45,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:45,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:45,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:45,990 INFO L87 Difference]: Start difference. First operand 3101 states and 5600 transitions. Second operand 3 states. [2021-01-06 18:57:46,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:46,385 INFO L93 Difference]: Finished difference Result 8389 states and 15176 transitions. [2021-01-06 18:57:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:46,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:57:46,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:46,418 INFO L225 Difference]: With dead ends: 8389 [2021-01-06 18:57:46,418 INFO L226 Difference]: Without dead ends: 5457 [2021-01-06 18:57:46,423 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 18:57:46,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5457 states. [2021-01-06 18:57:46,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5457 to 5255. [2021-01-06 18:57:46,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5255 states. [2021-01-06 18:57:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 5255 states and 9505 transitions. [2021-01-06 18:57:46,781 INFO L78 Accepts]: Start accepts. Automaton has 5255 states and 9505 transitions. Word has length 77 [2021-01-06 18:57:46,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:46,781 INFO L481 AbstractCegarLoop]: Abstraction has 5255 states and 9505 transitions. [2021-01-06 18:57:46,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:46,782 INFO L276 IsEmpty]: Start isEmpty. Operand 5255 states and 9505 transitions. [2021-01-06 18:57:46,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:57:46,791 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:46,792 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 18:57:46,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:57:46,792 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:46,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:46,793 INFO L82 PathProgramCache]: Analyzing trace with hash -342630137, now seen corresponding path program 1 times [2021-01-06 18:57:46,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:46,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338675801] [2021-01-06 18:57:46,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:46,863 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 18:57:46,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338675801] [2021-01-06 18:57:46,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:46,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:46,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821075811] [2021-01-06 18:57:46,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:46,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:46,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:46,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:46,867 INFO L87 Difference]: Start difference. First operand 5255 states and 9505 transitions. Second operand 3 states. [2021-01-06 18:57:47,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:47,550 INFO L93 Difference]: Finished difference Result 15309 states and 27733 transitions. [2021-01-06 18:57:47,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:47,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:57:47,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:47,616 INFO L225 Difference]: With dead ends: 15309 [2021-01-06 18:57:47,616 INFO L226 Difference]: Without dead ends: 10227 [2021-01-06 18:57:47,710 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 18:57:47,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10227 states. [2021-01-06 18:57:48,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10227 to 10025. [2021-01-06 18:57:48,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10025 states. [2021-01-06 18:57:48,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10025 states to 10025 states and 18146 transitions. [2021-01-06 18:57:48,438 INFO L78 Accepts]: Start accepts. Automaton has 10025 states and 18146 transitions. Word has length 78 [2021-01-06 18:57:48,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:48,439 INFO L481 AbstractCegarLoop]: Abstraction has 10025 states and 18146 transitions. [2021-01-06 18:57:48,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 10025 states and 18146 transitions. [2021-01-06 18:57:48,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:57:48,452 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:48,452 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 18:57:48,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:57:48,452 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:48,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:48,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1250161450, now seen corresponding path program 1 times [2021-01-06 18:57:48,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:48,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474705946] [2021-01-06 18:57:48,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:48,547 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 18:57:48,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474705946] [2021-01-06 18:57:48,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:48,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:48,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541739615] [2021-01-06 18:57:48,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:48,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:48,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:48,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:48,550 INFO L87 Difference]: Start difference. First operand 10025 states and 18146 transitions. Second operand 3 states. [2021-01-06 18:57:49,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:49,683 INFO L93 Difference]: Finished difference Result 29321 states and 53131 transitions. [2021-01-06 18:57:49,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:49,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 18:57:49,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:49,747 INFO L225 Difference]: With dead ends: 29321 [2021-01-06 18:57:49,747 INFO L226 Difference]: Without dead ends: 19477 [2021-01-06 18:57:49,770 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 18:57:49,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19477 states. [2021-01-06 18:57:51,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19477 to 19275. [2021-01-06 18:57:51,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19275 states. [2021-01-06 18:57:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19275 states to 19275 states and 34883 transitions. [2021-01-06 18:57:51,080 INFO L78 Accepts]: Start accepts. Automaton has 19275 states and 34883 transitions. Word has length 79 [2021-01-06 18:57:51,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:51,081 INFO L481 AbstractCegarLoop]: Abstraction has 19275 states and 34883 transitions. [2021-01-06 18:57:51,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 19275 states and 34883 transitions. [2021-01-06 18:57:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:57:51,105 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:51,106 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 18:57:51,106 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:57:51,106 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:51,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:51,107 INFO L82 PathProgramCache]: Analyzing trace with hash 919232073, now seen corresponding path program 1 times [2021-01-06 18:57:51,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:51,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012291264] [2021-01-06 18:57:51,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:51,178 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 18:57:51,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012291264] [2021-01-06 18:57:51,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:51,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:51,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114294514] [2021-01-06 18:57:51,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:51,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:51,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:51,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:51,181 INFO L87 Difference]: Start difference. First operand 19275 states and 34883 transitions. Second operand 3 states. [2021-01-06 18:57:53,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:53,218 INFO L93 Difference]: Finished difference Result 57257 states and 103656 transitions. [2021-01-06 18:57:53,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:53,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-01-06 18:57:53,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:53,359 INFO L225 Difference]: With dead ends: 57257 [2021-01-06 18:57:53,360 INFO L226 Difference]: Without dead ends: 38167 [2021-01-06 18:57:53,404 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 18:57:53,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38167 states. [2021-01-06 18:57:55,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38167 to 37965. [2021-01-06 18:57:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37965 states. [2021-01-06 18:57:55,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37965 states to 37965 states and 68612 transitions. [2021-01-06 18:57:55,845 INFO L78 Accepts]: Start accepts. Automaton has 37965 states and 68612 transitions. Word has length 80 [2021-01-06 18:57:55,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:55,845 INFO L481 AbstractCegarLoop]: Abstraction has 37965 states and 68612 transitions. [2021-01-06 18:57:55,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 37965 states and 68612 transitions. [2021-01-06 18:57:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:57:55,868 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:55,868 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:55,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:57:55,869 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:55,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:55,870 INFO L82 PathProgramCache]: Analyzing trace with hash 21369373, now seen corresponding path program 1 times [2021-01-06 18:57:55,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:55,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297369393] [2021-01-06 18:57:55,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:55,980 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 18:57:55,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297369393] [2021-01-06 18:57:55,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:55,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:57:55,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6780973] [2021-01-06 18:57:55,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:57:55,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:55,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:57:55,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:57:55,987 INFO L87 Difference]: Start difference. First operand 37965 states and 68612 transitions. Second operand 5 states. [2021-01-06 18:57:59,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:59,198 INFO L93 Difference]: Finished difference Result 111598 states and 201649 transitions. [2021-01-06 18:57:59,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:57:59,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2021-01-06 18:57:59,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:59,425 INFO L225 Difference]: With dead ends: 111598 [2021-01-06 18:57:59,425 INFO L226 Difference]: Without dead ends: 73886 [2021-01-06 18:57:59,473 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 18:57:59,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73886 states. [2021-01-06 18:58:01,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73886 to 37965. [2021-01-06 18:58:01,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37965 states. [2021-01-06 18:58:01,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37965 states to 37965 states and 68354 transitions. [2021-01-06 18:58:01,800 INFO L78 Accepts]: Start accepts. Automaton has 37965 states and 68354 transitions. Word has length 81 [2021-01-06 18:58:01,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:01,800 INFO L481 AbstractCegarLoop]: Abstraction has 37965 states and 68354 transitions. [2021-01-06 18:58:01,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:58:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 37965 states and 68354 transitions. [2021-01-06 18:58:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:58:01,818 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:01,819 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:01,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:58:01,819 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:01,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:01,819 INFO L82 PathProgramCache]: Analyzing trace with hash -873449157, now seen corresponding path program 2 times [2021-01-06 18:58:01,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:01,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172722832] [2021-01-06 18:58:01,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:01,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:01,880 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 18:58:01,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172722832] [2021-01-06 18:58:01,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:01,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:01,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698883471] [2021-01-06 18:58:01,881 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:01,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:01,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:01,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:01,882 INFO L87 Difference]: Start difference. First operand 37965 states and 68354 transitions. Second operand 3 states. [2021-01-06 18:58:03,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:03,444 INFO L93 Difference]: Finished difference Result 75873 states and 136610 transitions. [2021-01-06 18:58:03,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:03,445 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2021-01-06 18:58:03,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:03,547 INFO L225 Difference]: With dead ends: 75873 [2021-01-06 18:58:03,547 INFO L226 Difference]: Without dead ends: 38167 [2021-01-06 18:58:03,599 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 18:58:03,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38167 states. [2021-01-06 18:58:05,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38167 to 37965. [2021-01-06 18:58:05,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37965 states. [2021-01-06 18:58:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37965 states to 37965 states and 68226 transitions. [2021-01-06 18:58:05,333 INFO L78 Accepts]: Start accepts. Automaton has 37965 states and 68226 transitions. Word has length 81 [2021-01-06 18:58:05,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:05,333 INFO L481 AbstractCegarLoop]: Abstraction has 37965 states and 68226 transitions. [2021-01-06 18:58:05,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 37965 states and 68226 transitions. [2021-01-06 18:58:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:58:05,350 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:05,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:05,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:58:05,350 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:05,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:05,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1201250216, now seen corresponding path program 1 times [2021-01-06 18:58:05,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:05,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400153434] [2021-01-06 18:58:05,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:05,416 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 18:58:05,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400153434] [2021-01-06 18:58:05,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:05,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:05,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040315610] [2021-01-06 18:58:05,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:05,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:05,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:05,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:05,419 INFO L87 Difference]: Start difference. First operand 37965 states and 68226 transitions. Second operand 3 states. [2021-01-06 18:58:08,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:08,136 INFO L93 Difference]: Finished difference Result 105483 states and 189292 transitions. [2021-01-06 18:58:08,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:08,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2021-01-06 18:58:08,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:08,278 INFO L225 Difference]: With dead ends: 105483 [2021-01-06 18:58:08,279 INFO L226 Difference]: Without dead ends: 67737 [2021-01-06 18:58:08,322 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 18:58:08,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67737 states. [2021-01-06 18:58:11,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67737 to 67535. [2021-01-06 18:58:11,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67535 states. [2021-01-06 18:58:11,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67535 states to 67535 states and 120835 transitions. [2021-01-06 18:58:11,666 INFO L78 Accepts]: Start accepts. Automaton has 67535 states and 120835 transitions. Word has length 81 [2021-01-06 18:58:11,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:11,666 INFO L481 AbstractCegarLoop]: Abstraction has 67535 states and 120835 transitions. [2021-01-06 18:58:11,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:11,667 INFO L276 IsEmpty]: Start isEmpty. Operand 67535 states and 120835 transitions. [2021-01-06 18:58:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:58:11,685 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:11,685 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:11,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:58:11,685 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:11,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:11,686 INFO L82 PathProgramCache]: Analyzing trace with hash -352429439, now seen corresponding path program 1 times [2021-01-06 18:58:11,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:11,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020204823] [2021-01-06 18:58:11,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:11,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:11,953 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 18:58:11,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020204823] [2021-01-06 18:58:11,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:11,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:58:11,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603853321] [2021-01-06 18:58:11,954 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:58:11,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:11,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:58:11,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:58:11,955 INFO L87 Difference]: Start difference. First operand 67535 states and 120835 transitions. Second operand 9 states. [2021-01-06 18:58:18,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:18,149 INFO L93 Difference]: Finished difference Result 135949 states and 243080 transitions. [2021-01-06 18:58:18,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:58:18,151 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2021-01-06 18:58:18,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:18,452 INFO L225 Difference]: With dead ends: 135949 [2021-01-06 18:58:18,453 INFO L226 Difference]: Without dead ends: 135778 [2021-01-06 18:58:18,497 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:58:18,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135778 states. [2021-01-06 18:58:24,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135778 to 134851. [2021-01-06 18:58:24,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134851 states. [2021-01-06 18:58:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134851 states to 134851 states and 241312 transitions. [2021-01-06 18:58:24,887 INFO L78 Accepts]: Start accepts. Automaton has 134851 states and 241312 transitions. Word has length 82 [2021-01-06 18:58:24,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:24,888 INFO L481 AbstractCegarLoop]: Abstraction has 134851 states and 241312 transitions. [2021-01-06 18:58:24,888 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:58:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 134851 states and 241312 transitions. [2021-01-06 18:58:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:58:24,914 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:24,914 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:24,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:58:24,914 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:24,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:24,915 INFO L82 PathProgramCache]: Analyzing trace with hash -739906300, now seen corresponding path program 1 times [2021-01-06 18:58:24,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:24,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138002352] [2021-01-06 18:58:24,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:25,365 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 18:58:25,366 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138002352] [2021-01-06 18:58:25,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:25,366 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:58:25,366 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438939387] [2021-01-06 18:58:25,367 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:58:25,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:25,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:58:25,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:58:25,368 INFO L87 Difference]: Start difference. First operand 134851 states and 241312 transitions. Second operand 7 states. [2021-01-06 18:58:30,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:30,171 INFO L93 Difference]: Finished difference Result 135268 states and 241994 transitions. [2021-01-06 18:58:30,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:58:30,171 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2021-01-06 18:58:30,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:30,476 INFO L225 Difference]: With dead ends: 135268 [2021-01-06 18:58:30,476 INFO L226 Difference]: Without dead ends: 134960 [2021-01-06 18:58:30,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:58:30,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134960 states. [2021-01-06 18:58:36,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134960 to 134839. [2021-01-06 18:58:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134839 states. [2021-01-06 18:58:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134839 states to 134839 states and 241285 transitions. [2021-01-06 18:58:36,946 INFO L78 Accepts]: Start accepts. Automaton has 134839 states and 241285 transitions. Word has length 83 [2021-01-06 18:58:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:36,946 INFO L481 AbstractCegarLoop]: Abstraction has 134839 states and 241285 transitions. [2021-01-06 18:58:36,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:58:36,955 INFO L276 IsEmpty]: Start isEmpty. Operand 134839 states and 241285 transitions. [2021-01-06 18:58:36,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:58:36,995 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:36,995 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:36,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:58:36,995 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:36,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:36,996 INFO L82 PathProgramCache]: Analyzing trace with hash -976402980, now seen corresponding path program 1 times [2021-01-06 18:58:36,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:36,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839399982] [2021-01-06 18:58:36,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:37,160 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 18:58:37,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839399982] [2021-01-06 18:58:37,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:37,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:58:37,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565698032] [2021-01-06 18:58:37,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:58:37,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:37,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:58:37,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:58:37,162 INFO L87 Difference]: Start difference. First operand 134839 states and 241285 transitions. Second operand 9 states. [2021-01-06 18:58:47,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:47,659 INFO L93 Difference]: Finished difference Result 271513 states and 485519 transitions. [2021-01-06 18:58:47,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 18:58:47,659 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2021-01-06 18:58:47,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:48,597 INFO L225 Difference]: With dead ends: 271513 [2021-01-06 18:58:48,597 INFO L226 Difference]: Without dead ends: 271217 [2021-01-06 18:58:48,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2021-01-06 18:58:48,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271217 states. [2021-01-06 18:59:00,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271217 to 269376. [2021-01-06 18:59:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269376 states. [2021-01-06 18:59:01,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269376 states to 269376 states and 482067 transitions. [2021-01-06 18:59:01,341 INFO L78 Accepts]: Start accepts. Automaton has 269376 states and 482067 transitions. Word has length 83 [2021-01-06 18:59:01,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:59:01,342 INFO L481 AbstractCegarLoop]: Abstraction has 269376 states and 482067 transitions. [2021-01-06 18:59:01,342 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:59:01,342 INFO L276 IsEmpty]: Start isEmpty. Operand 269376 states and 482067 transitions. [2021-01-06 18:59:01,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:59:01,936 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:59:01,936 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:59:01,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:59:01,937 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:59:01,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:59:01,951 INFO L82 PathProgramCache]: Analyzing trace with hash -757548262, now seen corresponding path program 1 times [2021-01-06 18:59:01,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:59:01,951 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933271762] [2021-01-06 18:59:01,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:59:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:59:02,060 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 18:59:02,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933271762] [2021-01-06 18:59:02,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:59:02,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:59:02,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542370637] [2021-01-06 18:59:02,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:59:02,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:59:02,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:59:02,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:59:02,062 INFO L87 Difference]: Start difference. First operand 269376 states and 482067 transitions. Second operand 5 states. [2021-01-06 18:59:11,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:59:11,865 INFO L93 Difference]: Finished difference Result 272586 states and 487383 transitions. [2021-01-06 18:59:11,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:59:11,869 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 83 [2021-01-06 18:59:11,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:59:12,537 INFO L225 Difference]: With dead ends: 272586 [2021-01-06 18:59:12,537 INFO L226 Difference]: Without dead ends: 272117 [2021-01-06 18:59:12,605 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 18:59:12,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272117 states. [2021-01-06 18:59:24,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272117 to 269921. [2021-01-06 18:59:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269921 states. [2021-01-06 18:59:25,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269921 states to 269921 states and 482959 transitions. [2021-01-06 18:59:25,988 INFO L78 Accepts]: Start accepts. Automaton has 269921 states and 482959 transitions. Word has length 83 [2021-01-06 18:59:25,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:59:25,989 INFO L481 AbstractCegarLoop]: Abstraction has 269921 states and 482959 transitions. [2021-01-06 18:59:25,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:59:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 269921 states and 482959 transitions. [2021-01-06 18:59:26,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:59:26,064 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:59:26,065 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:59:26,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:59:26,065 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:59:26,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:59:26,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1910357721, now seen corresponding path program 1 times [2021-01-06 18:59:26,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:59:26,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594912075] [2021-01-06 18:59:26,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:59:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:59:26,264 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 18:59:26,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594912075] [2021-01-06 18:59:26,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:59:26,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:59:26,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503007962] [2021-01-06 18:59:26,270 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:59:26,270 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:59:26,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:59:26,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:59:26,271 INFO L87 Difference]: Start difference. First operand 269921 states and 482959 transitions. Second operand 8 states.