/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_spec4_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:59:27,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:59:27,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:59:27,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:59:27,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:59:27,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:59:27,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:59:27,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:59:27,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:59:27,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:59:27,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:59:27,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:59:27,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:59:27,537 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:59:27,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:59:27,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:59:27,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:59:27,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:59:27,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:59:27,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:59:27,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:59:27,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:59:27,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:59:27,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:59:27,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:59:27,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:59:27,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:59:27,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:59:27,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:59:27,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:59:27,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:59:27,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:59:27,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:59:27,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:59:27,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:59:27,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:59:27,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:59:27,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:59:27,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:59:27,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:59:27,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:59:27,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:59:27,607 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:59:27,607 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:59:27,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:59:27,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:59:27,609 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:59:27,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:59:27,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:59:27,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:59:27,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:59:27,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:59:27,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:59:27,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:59:27,612 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:59:27,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:59:27,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:59:27,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:59:27,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:59:27,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:59:27,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:59:27,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:59:27,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:59:27,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:59:27,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:59:27,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:59:27,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:59:27,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:59:28,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:59:28,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:59:28,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:59:28,088 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:59:28,088 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:59:28,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product23.cil.c [2020-12-23 08:59:28,186 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ec88c39d4/06f7cb55a7504aecac607817bc31f6a0/FLAG113dd9f76 [2020-12-23 08:59:28,996 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:59:28,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product23.cil.c [2020-12-23 08:59:29,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ec88c39d4/06f7cb55a7504aecac607817bc31f6a0/FLAG113dd9f76 [2020-12-23 08:59:29,144 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/ec88c39d4/06f7cb55a7504aecac607817bc31f6a0 [2020-12-23 08:59:29,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:59:29,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:59:29,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:59:29,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:59:29,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:59:29,162 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:59:29" (1/1) ... [2020-12-23 08:59:29,164 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc0b719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:29, skipping insertion in model container [2020-12-23 08:59:29,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:59:29" (1/1) ... [2020-12-23 08:59:29,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:59:29,277 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~17,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] [2020-12-23 08:59:29,999 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_spec4_product23.cil.c[62727,62740] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:59:30,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:59:30,020 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~17,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] [2020-12-23 08:59:30,258 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_spec4_product23.cil.c[62727,62740] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] [2020-12-23 08:59:30,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:59:30,346 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:59:30,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30 WrapperNode [2020-12-23 08:59:30,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:59:30,348 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:59:30,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:59:30,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:59:30,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... [2020-12-23 08:59:30,389 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... [2020-12-23 08:59:30,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:59:30,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:59:30,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:59:30,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:59:30,527 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... [2020-12-23 08:59:30,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... [2020-12-23 08:59:30,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... [2020-12-23 08:59:30,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... [2020-12-23 08:59:30,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... [2020-12-23 08:59:30,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... [2020-12-23 08:59:30,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... [2020-12-23 08:59:30,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:59:30,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:59:30,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:59:30,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:59:30,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:59:30,872 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:59:30,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:59:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:59:30,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:59:30,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:59:34,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:59:34,394 INFO L299 CfgBuilder]: Removed 513 assume(true) statements. [2020-12-23 08:59:34,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:59:34 BoogieIcfgContainer [2020-12-23 08:59:34,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:59:34,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:59:34,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:59:34,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:59:34,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:59:29" (1/3) ... [2020-12-23 08:59:34,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1b3565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:59:34, skipping insertion in model container [2020-12-23 08:59:34,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:30" (2/3) ... [2020-12-23 08:59:34,422 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1b3565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:59:34, skipping insertion in model container [2020-12-23 08:59:34,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:59:34" (3/3) ... [2020-12-23 08:59:34,424 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product23.cil.c [2020-12-23 08:59:34,444 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:59:34,453 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 08:59:34,479 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 08:59:34,521 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:59:34,521 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:59:34,521 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:59:34,521 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:59:34,522 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:59:34,522 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:59:34,522 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:59:34,522 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:59:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states. [2020-12-23 08:59:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 08:59:34,633 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:34,635 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] [2020-12-23 08:59:34,636 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:34,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:34,651 INFO L82 PathProgramCache]: Analyzing trace with hash 696940052, now seen corresponding path program 1 times [2020-12-23 08:59:34,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:34,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177463892] [2020-12-23 08:59:34,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:35,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:35,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177463892] [2020-12-23 08:59:35,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:35,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:35,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19152661] [2020-12-23 08:59:35,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:35,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:35,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:35,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:35,223 INFO L87 Difference]: Start difference. First operand 798 states. Second operand 3 states. [2020-12-23 08:59:35,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:35,461 INFO L93 Difference]: Finished difference Result 2359 states and 4124 transitions. [2020-12-23 08:59:35,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:35,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-12-23 08:59:35,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:35,491 INFO L225 Difference]: With dead ends: 2359 [2020-12-23 08:59:35,491 INFO L226 Difference]: Without dead ends: 1380 [2020-12-23 08:59:35,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:35,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2020-12-23 08:59:35,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 699. [2020-12-23 08:59:35,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-23 08:59:35,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1213 transitions. [2020-12-23 08:59:35,609 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1213 transitions. Word has length 43 [2020-12-23 08:59:35,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:35,610 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 1213 transitions. [2020-12-23 08:59:35,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1213 transitions. [2020-12-23 08:59:35,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 08:59:35,615 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:35,615 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] [2020-12-23 08:59:35,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:59:35,616 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:35,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:35,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1796418954, now seen corresponding path program 1 times [2020-12-23 08:59:35,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:35,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172845929] [2020-12-23 08:59:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:35,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:35,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172845929] [2020-12-23 08:59:35,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:35,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:35,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473575003] [2020-12-23 08:59:35,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:35,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:35,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:35,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:35,811 INFO L87 Difference]: Start difference. First operand 699 states and 1213 transitions. Second operand 5 states. [2020-12-23 08:59:36,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:36,073 INFO L93 Difference]: Finished difference Result 2046 states and 3555 transitions. [2020-12-23 08:59:36,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:59:36,074 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-12-23 08:59:36,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:36,086 INFO L225 Difference]: With dead ends: 2046 [2020-12-23 08:59:36,086 INFO L226 Difference]: Without dead ends: 1366 [2020-12-23 08:59:36,089 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:59:36,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2020-12-23 08:59:36,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 699. [2020-12-23 08:59:36,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-23 08:59:36,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1212 transitions. [2020-12-23 08:59:36,145 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1212 transitions. Word has length 45 [2020-12-23 08:59:36,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:36,146 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 1212 transitions. [2020-12-23 08:59:36,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:36,146 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1212 transitions. [2020-12-23 08:59:36,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 08:59:36,155 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:36,155 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:36,155 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:59:36,156 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:36,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:36,160 INFO L82 PathProgramCache]: Analyzing trace with hash 146763849, now seen corresponding path program 1 times [2020-12-23 08:59:36,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:36,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404342825] [2020-12-23 08:59:36,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:36,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:36,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404342825] [2020-12-23 08:59:36,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:36,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:36,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686583932] [2020-12-23 08:59:36,311 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:36,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:36,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:36,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:36,316 INFO L87 Difference]: Start difference. First operand 699 states and 1212 transitions. Second operand 3 states. [2020-12-23 08:59:36,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:36,377 INFO L93 Difference]: Finished difference Result 1380 states and 2398 transitions. [2020-12-23 08:59:36,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:36,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-12-23 08:59:36,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:36,382 INFO L225 Difference]: With dead ends: 1380 [2020-12-23 08:59:36,383 INFO L226 Difference]: Without dead ends: 704 [2020-12-23 08:59:36,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:36,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2020-12-23 08:59:36,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 699. [2020-12-23 08:59:36,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-23 08:59:36,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1211 transitions. [2020-12-23 08:59:36,424 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1211 transitions. Word has length 46 [2020-12-23 08:59:36,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:36,430 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 1211 transitions. [2020-12-23 08:59:36,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:36,431 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1211 transitions. [2020-12-23 08:59:36,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:59:36,432 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:36,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:36,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:59:36,432 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:36,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:36,435 INFO L82 PathProgramCache]: Analyzing trace with hash 247677251, now seen corresponding path program 1 times [2020-12-23 08:59:36,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:36,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145819246] [2020-12-23 08:59:36,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:36,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:36,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:36,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145819246] [2020-12-23 08:59:36,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:36,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:36,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089455569] [2020-12-23 08:59:36,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:36,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:36,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:36,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:36,561 INFO L87 Difference]: Start difference. First operand 699 states and 1211 transitions. Second operand 3 states. [2020-12-23 08:59:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:36,615 INFO L93 Difference]: Finished difference Result 1390 states and 2411 transitions. [2020-12-23 08:59:36,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:36,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-23 08:59:36,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:36,620 INFO L225 Difference]: With dead ends: 1390 [2020-12-23 08:59:36,620 INFO L226 Difference]: Without dead ends: 699 [2020-12-23 08:59:36,623 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:36,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2020-12-23 08:59:36,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 699. [2020-12-23 08:59:36,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-23 08:59:36,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1209 transitions. [2020-12-23 08:59:36,658 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1209 transitions. Word has length 47 [2020-12-23 08:59:36,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:36,659 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 1209 transitions. [2020-12-23 08:59:36,659 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:36,659 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1209 transitions. [2020-12-23 08:59:36,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:59:36,661 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:36,661 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:36,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:59:36,662 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:36,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:36,662 INFO L82 PathProgramCache]: Analyzing trace with hash 835025102, now seen corresponding path program 1 times [2020-12-23 08:59:36,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:36,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639199520] [2020-12-23 08:59:36,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:36,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:36,761 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639199520] [2020-12-23 08:59:36,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:36,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:36,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060344882] [2020-12-23 08:59:36,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:36,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:36,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:36,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:36,764 INFO L87 Difference]: Start difference. First operand 699 states and 1209 transitions. Second operand 5 states. [2020-12-23 08:59:36,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:36,972 INFO L93 Difference]: Finished difference Result 2036 states and 3535 transitions. [2020-12-23 08:59:36,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:59:36,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-23 08:59:36,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:36,985 INFO L225 Difference]: With dead ends: 2036 [2020-12-23 08:59:36,985 INFO L226 Difference]: Without dead ends: 1364 [2020-12-23 08:59:36,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:59:36,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1364 states. [2020-12-23 08:59:37,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1364 to 699. [2020-12-23 08:59:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-23 08:59:37,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1208 transitions. [2020-12-23 08:59:37,066 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1208 transitions. Word has length 48 [2020-12-23 08:59:37,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:37,066 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 1208 transitions. [2020-12-23 08:59:37,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:37,066 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1208 transitions. [2020-12-23 08:59:37,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:59:37,069 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:37,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:37,070 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:59:37,070 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:37,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:37,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1374866165, now seen corresponding path program 1 times [2020-12-23 08:59:37,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:37,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136016092] [2020-12-23 08:59:37,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:37,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:37,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136016092] [2020-12-23 08:59:37,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:37,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:37,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457602957] [2020-12-23 08:59:37,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:37,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:37,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:37,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:37,198 INFO L87 Difference]: Start difference. First operand 699 states and 1208 transitions. Second operand 5 states. [2020-12-23 08:59:37,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:37,409 INFO L93 Difference]: Finished difference Result 2041 states and 3540 transitions. [2020-12-23 08:59:37,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:59:37,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 08:59:37,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:37,417 INFO L225 Difference]: With dead ends: 2041 [2020-12-23 08:59:37,417 INFO L226 Difference]: Without dead ends: 1369 [2020-12-23 08:59:37,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:59:37,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1369 states. [2020-12-23 08:59:37,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1369 to 699. [2020-12-23 08:59:37,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2020-12-23 08:59:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1207 transitions. [2020-12-23 08:59:37,462 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1207 transitions. Word has length 49 [2020-12-23 08:59:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:37,462 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 1207 transitions. [2020-12-23 08:59:37,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1207 transitions. [2020-12-23 08:59:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:59:37,464 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:37,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:37,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:59:37,465 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:37,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:37,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1991477517, now seen corresponding path program 1 times [2020-12-23 08:59:37,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:37,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777312466] [2020-12-23 08:59:37,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:37,552 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777312466] [2020-12-23 08:59:37,552 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:37,552 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:37,553 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387177857] [2020-12-23 08:59:37,553 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:37,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:37,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:37,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:37,555 INFO L87 Difference]: Start difference. First operand 699 states and 1207 transitions. Second operand 3 states. [2020-12-23 08:59:37,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:37,598 INFO L93 Difference]: Finished difference Result 1117 states and 1908 transitions. [2020-12-23 08:59:37,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:37,599 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-12-23 08:59:37,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:37,603 INFO L225 Difference]: With dead ends: 1117 [2020-12-23 08:59:37,604 INFO L226 Difference]: Without dead ends: 702 [2020-12-23 08:59:37,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:37,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2020-12-23 08:59:37,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 701. [2020-12-23 08:59:37,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2020-12-23 08:59:37,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1209 transitions. [2020-12-23 08:59:37,644 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1209 transitions. Word has length 50 [2020-12-23 08:59:37,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:37,645 INFO L481 AbstractCegarLoop]: Abstraction has 701 states and 1209 transitions. [2020-12-23 08:59:37,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:37,645 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1209 transitions. [2020-12-23 08:59:37,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:59:37,646 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:37,646 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:37,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:59:37,647 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:37,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:37,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1889007803, now seen corresponding path program 1 times [2020-12-23 08:59:37,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:37,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929900600] [2020-12-23 08:59:37,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:37,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929900600] [2020-12-23 08:59:37,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:37,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:37,753 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700848905] [2020-12-23 08:59:37,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:37,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:37,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:37,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:37,758 INFO L87 Difference]: Start difference. First operand 701 states and 1209 transitions. Second operand 3 states. [2020-12-23 08:59:37,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:37,862 INFO L93 Difference]: Finished difference Result 1989 states and 3451 transitions. [2020-12-23 08:59:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:37,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:59:37,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:37,872 INFO L225 Difference]: With dead ends: 1989 [2020-12-23 08:59:37,872 INFO L226 Difference]: Without dead ends: 1319 [2020-12-23 08:59:37,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:37,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2020-12-23 08:59:37,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 904. [2020-12-23 08:59:37,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2020-12-23 08:59:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1584 transitions. [2020-12-23 08:59:37,926 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1584 transitions. Word has length 58 [2020-12-23 08:59:37,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:37,927 INFO L481 AbstractCegarLoop]: Abstraction has 904 states and 1584 transitions. [2020-12-23 08:59:37,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:37,927 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1584 transitions. [2020-12-23 08:59:37,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:59:37,928 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:37,928 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] [2020-12-23 08:59:37,929 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:59:37,929 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:37,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:37,929 INFO L82 PathProgramCache]: Analyzing trace with hash 1919663110, now seen corresponding path program 1 times [2020-12-23 08:59:37,930 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:37,930 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818820434] [2020-12-23 08:59:37,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:38,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818820434] [2020-12-23 08:59:38,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:38,048 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:38,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894684258] [2020-12-23 08:59:38,049 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:38,049 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:38,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:38,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:38,050 INFO L87 Difference]: Start difference. First operand 904 states and 1584 transitions. Second operand 5 states. [2020-12-23 08:59:38,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:38,334 INFO L93 Difference]: Finished difference Result 2642 states and 4658 transitions. [2020-12-23 08:59:38,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:59:38,335 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-23 08:59:38,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:38,345 INFO L225 Difference]: With dead ends: 2642 [2020-12-23 08:59:38,345 INFO L226 Difference]: Without dead ends: 1769 [2020-12-23 08:59:38,348 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:59:38,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2020-12-23 08:59:38,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 904. [2020-12-23 08:59:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 904 states. [2020-12-23 08:59:38,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 904 states and 1582 transitions. [2020-12-23 08:59:38,426 INFO L78 Accepts]: Start accepts. Automaton has 904 states and 1582 transitions. Word has length 59 [2020-12-23 08:59:38,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:38,426 INFO L481 AbstractCegarLoop]: Abstraction has 904 states and 1582 transitions. [2020-12-23 08:59:38,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 904 states and 1582 transitions. [2020-12-23 08:59:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:59:38,428 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:38,428 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] [2020-12-23 08:59:38,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:59:38,428 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:38,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:38,429 INFO L82 PathProgramCache]: Analyzing trace with hash -717391921, now seen corresponding path program 1 times [2020-12-23 08:59:38,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:38,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435833923] [2020-12-23 08:59:38,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:38,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435833923] [2020-12-23 08:59:38,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:38,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:38,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092883807] [2020-12-23 08:59:38,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:38,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:38,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:38,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:38,502 INFO L87 Difference]: Start difference. First operand 904 states and 1582 transitions. Second operand 3 states. [2020-12-23 08:59:38,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:38,627 INFO L93 Difference]: Finished difference Result 2640 states and 4650 transitions. [2020-12-23 08:59:38,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:38,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 08:59:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:38,637 INFO L225 Difference]: With dead ends: 2640 [2020-12-23 08:59:38,637 INFO L226 Difference]: Without dead ends: 1767 [2020-12-23 08:59:38,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:38,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2020-12-23 08:59:38,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1352. [2020-12-23 08:59:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1352 states. [2020-12-23 08:59:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2409 transitions. [2020-12-23 08:59:38,738 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2409 transitions. Word has length 60 [2020-12-23 08:59:38,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:38,739 INFO L481 AbstractCegarLoop]: Abstraction has 1352 states and 2409 transitions. [2020-12-23 08:59:38,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:38,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2409 transitions. [2020-12-23 08:59:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:59:38,741 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:38,741 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] [2020-12-23 08:59:38,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:59:38,741 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:38,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:38,742 INFO L82 PathProgramCache]: Analyzing trace with hash -173762703, now seen corresponding path program 1 times [2020-12-23 08:59:38,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:38,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889736539] [2020-12-23 08:59:38,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:38,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:38,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889736539] [2020-12-23 08:59:38,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [851623845] [2020-12-23 08:59:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:59:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:39,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:59:39,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:59:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:39,307 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:59:39,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:59:39,308 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662552892] [2020-12-23 08:59:39,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:39,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:39,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:39,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:39,309 INFO L87 Difference]: Start difference. First operand 1352 states and 2409 transitions. Second operand 5 states. [2020-12-23 08:59:39,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:39,511 INFO L93 Difference]: Finished difference Result 2444 states and 4281 transitions. [2020-12-23 08:59:39,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:59:39,511 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-12-23 08:59:39,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:39,524 INFO L225 Difference]: With dead ends: 2444 [2020-12-23 08:59:39,525 INFO L226 Difference]: Without dead ends: 2029 [2020-12-23 08:59:39,527 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:39,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2020-12-23 08:59:39,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1611. [2020-12-23 08:59:39,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1611 states. [2020-12-23 08:59:39,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1611 states and 2881 transitions. [2020-12-23 08:59:39,711 INFO L78 Accepts]: Start accepts. Automaton has 1611 states and 2881 transitions. Word has length 60 [2020-12-23 08:59:39,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:39,712 INFO L481 AbstractCegarLoop]: Abstraction has 1611 states and 2881 transitions. [2020-12-23 08:59:39,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 2881 transitions. [2020-12-23 08:59:39,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:59:39,721 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:39,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:39,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:59:39,936 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:39,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:39,936 INFO L82 PathProgramCache]: Analyzing trace with hash -430029548, now seen corresponding path program 1 times [2020-12-23 08:59:39,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:39,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147418328] [2020-12-23 08:59:39,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:39,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:40,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:40,008 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147418328] [2020-12-23 08:59:40,008 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:40,008 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:40,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835365306] [2020-12-23 08:59:40,009 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:40,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:40,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:40,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:40,010 INFO L87 Difference]: Start difference. First operand 1611 states and 2881 transitions. Second operand 3 states. [2020-12-23 08:59:40,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:40,196 INFO L93 Difference]: Finished difference Result 4424 states and 7935 transitions. [2020-12-23 08:59:40,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:40,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-23 08:59:40,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:40,214 INFO L225 Difference]: With dead ends: 4424 [2020-12-23 08:59:40,214 INFO L226 Difference]: Without dead ends: 2914 [2020-12-23 08:59:40,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:40,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2914 states. [2020-12-23 08:59:40,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2914 to 2499. [2020-12-23 08:59:40,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2499 states. [2020-12-23 08:59:40,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 4514 transitions. [2020-12-23 08:59:40,379 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 4514 transitions. Word has length 64 [2020-12-23 08:59:40,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:40,381 INFO L481 AbstractCegarLoop]: Abstraction has 2499 states and 4514 transitions. [2020-12-23 08:59:40,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:40,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 4514 transitions. [2020-12-23 08:59:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:59:40,386 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:40,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:40,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:59:40,386 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:40,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:40,387 INFO L82 PathProgramCache]: Analyzing trace with hash 223754132, now seen corresponding path program 1 times [2020-12-23 08:59:40,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:40,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239158926] [2020-12-23 08:59:40,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:40,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:40,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:40,476 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239158926] [2020-12-23 08:59:40,476 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:40,480 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:40,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784983554] [2020-12-23 08:59:40,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:40,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:40,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:40,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:40,487 INFO L87 Difference]: Start difference. First operand 2499 states and 4514 transitions. Second operand 3 states. [2020-12-23 08:59:40,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:40,771 INFO L93 Difference]: Finished difference Result 6824 states and 12353 transitions. [2020-12-23 08:59:40,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:40,771 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:59:40,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:40,821 INFO L225 Difference]: With dead ends: 6824 [2020-12-23 08:59:40,821 INFO L226 Difference]: Without dead ends: 4460 [2020-12-23 08:59:40,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:40,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4460 states. [2020-12-23 08:59:41,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4460 to 4045. [2020-12-23 08:59:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4045 states. [2020-12-23 08:59:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 4045 states and 7355 transitions. [2020-12-23 08:59:41,061 INFO L78 Accepts]: Start accepts. Automaton has 4045 states and 7355 transitions. Word has length 65 [2020-12-23 08:59:41,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:41,061 INFO L481 AbstractCegarLoop]: Abstraction has 4045 states and 7355 transitions. [2020-12-23 08:59:41,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:41,061 INFO L276 IsEmpty]: Start isEmpty. Operand 4045 states and 7355 transitions. [2020-12-23 08:59:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:59:41,066 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:41,066 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:41,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:59:41,067 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:41,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:41,067 INFO L82 PathProgramCache]: Analyzing trace with hash 269199555, now seen corresponding path program 1 times [2020-12-23 08:59:41,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:41,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584538464] [2020-12-23 08:59:41,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:41,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584538464] [2020-12-23 08:59:41,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:41,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:41,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067919560] [2020-12-23 08:59:41,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:41,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:41,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:41,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:41,136 INFO L87 Difference]: Start difference. First operand 4045 states and 7355 transitions. Second operand 3 states. [2020-12-23 08:59:41,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:41,541 INFO L93 Difference]: Finished difference Result 11178 states and 20359 transitions. [2020-12-23 08:59:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:41,541 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 08:59:41,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:41,567 INFO L225 Difference]: With dead ends: 11178 [2020-12-23 08:59:41,567 INFO L226 Difference]: Without dead ends: 7302 [2020-12-23 08:59:41,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:41,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7302 states. [2020-12-23 08:59:42,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7302 to 6887. [2020-12-23 08:59:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6887 states. [2020-12-23 08:59:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6887 states to 6887 states and 12572 transitions. [2020-12-23 08:59:42,092 INFO L78 Accepts]: Start accepts. Automaton has 6887 states and 12572 transitions. Word has length 66 [2020-12-23 08:59:42,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:42,092 INFO L481 AbstractCegarLoop]: Abstraction has 6887 states and 12572 transitions. [2020-12-23 08:59:42,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand 6887 states and 12572 transitions. [2020-12-23 08:59:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:59:42,102 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:42,102 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:42,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:59:42,102 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:42,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:42,103 INFO L82 PathProgramCache]: Analyzing trace with hash 344662115, now seen corresponding path program 1 times [2020-12-23 08:59:42,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:42,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558725773] [2020-12-23 08:59:42,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:42,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558725773] [2020-12-23 08:59:42,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:42,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:42,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082943874] [2020-12-23 08:59:42,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:42,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:42,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:42,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:42,183 INFO L87 Difference]: Start difference. First operand 6887 states and 12572 transitions. Second operand 3 states. [2020-12-23 08:59:42,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:42,895 INFO L93 Difference]: Finished difference Result 20162 states and 36852 transitions. [2020-12-23 08:59:42,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:42,895 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:59:42,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:42,939 INFO L225 Difference]: With dead ends: 20162 [2020-12-23 08:59:42,939 INFO L226 Difference]: Without dead ends: 13448 [2020-12-23 08:59:42,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:42,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13448 states. [2020-12-23 08:59:43,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13448 to 13033. [2020-12-23 08:59:43,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13033 states. [2020-12-23 08:59:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13033 states to 13033 states and 23837 transitions. [2020-12-23 08:59:43,671 INFO L78 Accepts]: Start accepts. Automaton has 13033 states and 23837 transitions. Word has length 67 [2020-12-23 08:59:43,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:43,672 INFO L481 AbstractCegarLoop]: Abstraction has 13033 states and 23837 transitions. [2020-12-23 08:59:43,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 13033 states and 23837 transitions. [2020-12-23 08:59:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:59:43,679 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:43,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:43,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:59:43,680 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:43,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:43,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1792524300, now seen corresponding path program 1 times [2020-12-23 08:59:43,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:43,681 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147157473] [2020-12-23 08:59:43,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:43,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147157473] [2020-12-23 08:59:43,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:43,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:43,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640467515] [2020-12-23 08:59:43,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:43,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:43,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:43,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:43,759 INFO L87 Difference]: Start difference. First operand 13033 states and 23837 transitions. Second operand 3 states. [2020-12-23 08:59:45,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:45,106 INFO L93 Difference]: Finished difference Result 38302 states and 70122 transitions. [2020-12-23 08:59:45,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:45,107 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:59:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:45,195 INFO L225 Difference]: With dead ends: 38302 [2020-12-23 08:59:45,195 INFO L226 Difference]: Without dead ends: 25450 [2020-12-23 08:59:45,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:45,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25450 states. [2020-12-23 08:59:46,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25450 to 25035. [2020-12-23 08:59:46,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25035 states. [2020-12-23 08:59:46,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25035 states to 25035 states and 45822 transitions. [2020-12-23 08:59:46,762 INFO L78 Accepts]: Start accepts. Automaton has 25035 states and 45822 transitions. Word has length 68 [2020-12-23 08:59:46,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:46,762 INFO L481 AbstractCegarLoop]: Abstraction has 25035 states and 45822 transitions. [2020-12-23 08:59:46,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:46,762 INFO L276 IsEmpty]: Start isEmpty. Operand 25035 states and 45822 transitions. [2020-12-23 08:59:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:59:46,785 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:46,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:46,792 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:59:46,792 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:46,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:46,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1480480865, now seen corresponding path program 1 times [2020-12-23 08:59:46,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:46,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546710908] [2020-12-23 08:59:46,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:46,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:46,865 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546710908] [2020-12-23 08:59:46,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:46,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:46,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092551408] [2020-12-23 08:59:46,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:46,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:46,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:46,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:46,958 INFO L87 Difference]: Start difference. First operand 25035 states and 45822 transitions. Second operand 3 states. [2020-12-23 08:59:49,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:49,003 INFO L93 Difference]: Finished difference Result 68947 states and 125813 transitions. [2020-12-23 08:59:49,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:49,003 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:59:49,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:49,165 INFO L225 Difference]: With dead ends: 68947 [2020-12-23 08:59:49,165 INFO L226 Difference]: Without dead ends: 44140 [2020-12-23 08:59:49,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:49,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44140 states. [2020-12-23 08:59:51,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44140 to 43725. [2020-12-23 08:59:51,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43725 states. [2020-12-23 08:59:52,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43725 states to 43725 states and 79551 transitions. [2020-12-23 08:59:52,041 INFO L78 Accepts]: Start accepts. Automaton has 43725 states and 79551 transitions. Word has length 69 [2020-12-23 08:59:52,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:52,041 INFO L481 AbstractCegarLoop]: Abstraction has 43725 states and 79551 transitions. [2020-12-23 08:59:52,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:52,042 INFO L276 IsEmpty]: Start isEmpty. Operand 43725 states and 79551 transitions. [2020-12-23 08:59:52,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:59:52,051 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:52,051 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] [2020-12-23 08:59:52,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:59:52,051 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:52,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:52,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1837264179, now seen corresponding path program 1 times [2020-12-23 08:59:52,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:52,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23896397] [2020-12-23 08:59:52,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:52,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:52,130 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:59:52,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23896397] [2020-12-23 08:59:52,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:52,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:52,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695085933] [2020-12-23 08:59:52,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:52,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:52,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:52,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:52,133 INFO L87 Difference]: Start difference. First operand 43725 states and 79551 transitions. Second operand 5 states. [2020-12-23 08:59:55,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:55,208 INFO L93 Difference]: Finished difference Result 128792 states and 234302 transitions. [2020-12-23 08:59:55,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:59:55,209 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-12-23 08:59:55,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:55,437 INFO L225 Difference]: With dead ends: 128792 [2020-12-23 08:59:55,437 INFO L226 Difference]: Without dead ends: 85363 [2020-12-23 08:59:55,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:59:55,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85363 states. [2020-12-23 08:59:57,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85363 to 43725. [2020-12-23 08:59:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43725 states. [2020-12-23 08:59:57,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43725 states to 43725 states and 79293 transitions. [2020-12-23 08:59:57,979 INFO L78 Accepts]: Start accepts. Automaton has 43725 states and 79293 transitions. Word has length 70 [2020-12-23 08:59:57,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:57,979 INFO L481 AbstractCegarLoop]: Abstraction has 43725 states and 79293 transitions. [2020-12-23 08:59:57,979 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:57,979 INFO L276 IsEmpty]: Start isEmpty. Operand 43725 states and 79293 transitions. [2020-12-23 08:59:57,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:59:57,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:57,986 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] [2020-12-23 08:59:57,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:59:57,987 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:57,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:57,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1293634961, now seen corresponding path program 2 times [2020-12-23 08:59:57,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:57,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774160279] [2020-12-23 08:59:57,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:58,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774160279] [2020-12-23 08:59:58,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:58,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:58,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70717886] [2020-12-23 08:59:58,066 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:58,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:58,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:58,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:58,067 INFO L87 Difference]: Start difference. First operand 43725 states and 79293 transitions. Second operand 5 states. [2020-12-23 09:00:00,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:00,117 INFO L93 Difference]: Finished difference Result 87563 states and 158767 transitions. [2020-12-23 09:00:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:00:00,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-12-23 09:00:00,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:00,213 INFO L225 Difference]: With dead ends: 87563 [2020-12-23 09:00:00,214 INFO L226 Difference]: Without dead ends: 44140 [2020-12-23 09:00:00,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:00:00,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44140 states. [2020-12-23 09:00:02,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44140 to 43725. [2020-12-23 09:00:02,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43725 states. [2020-12-23 09:00:02,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43725 states to 43725 states and 79165 transitions. [2020-12-23 09:00:02,522 INFO L78 Accepts]: Start accepts. Automaton has 43725 states and 79165 transitions. Word has length 70 [2020-12-23 09:00:02,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:02,523 INFO L481 AbstractCegarLoop]: Abstraction has 43725 states and 79165 transitions. [2020-12-23 09:00:02,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 43725 states and 79165 transitions. [2020-12-23 09:00:02,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 09:00:02,529 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:02,529 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] [2020-12-23 09:00:02,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:00:02,529 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:02,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:02,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1502231650, now seen corresponding path program 1 times [2020-12-23 09:00:02,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:02,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336094800] [2020-12-23 09:00:02,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:02,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:02,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336094800] [2020-12-23 09:00:02,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:02,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:02,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363944433] [2020-12-23 09:00:02,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:02,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:02,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:02,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:02,598 INFO L87 Difference]: Start difference. First operand 43725 states and 79165 transitions. Second operand 3 states. [2020-12-23 09:00:05,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:05,452 INFO L93 Difference]: Finished difference Result 122677 states and 221945 transitions. [2020-12-23 09:00:05,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:05,453 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 09:00:05,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:05,628 INFO L225 Difference]: With dead ends: 122677 [2020-12-23 09:00:05,628 INFO L226 Difference]: Without dead ends: 79214 [2020-12-23 09:00:05,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:05,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79214 states. [2020-12-23 09:00:09,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79214 to 78799. [2020-12-23 09:00:09,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78799 states. [2020-12-23 09:00:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78799 states to 78799 states and 142270 transitions. [2020-12-23 09:00:09,435 INFO L78 Accepts]: Start accepts. Automaton has 78799 states and 142270 transitions. Word has length 70 [2020-12-23 09:00:09,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:09,435 INFO L481 AbstractCegarLoop]: Abstraction has 78799 states and 142270 transitions. [2020-12-23 09:00:09,435 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 78799 states and 142270 transitions. [2020-12-23 09:00:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 09:00:09,443 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:09,443 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] [2020-12-23 09:00:09,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:00:09,443 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:09,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:09,444 INFO L82 PathProgramCache]: Analyzing trace with hash -929128215, now seen corresponding path program 1 times [2020-12-23 09:00:09,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:09,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180102341] [2020-12-23 09:00:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:09,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180102341] [2020-12-23 09:00:09,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:09,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:00:09,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126252386] [2020-12-23 09:00:09,534 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:00:09,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:09,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:00:09,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:09,535 INFO L87 Difference]: Start difference. First operand 78799 states and 142270 transitions. Second operand 5 states. [2020-12-23 09:00:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:12,765 INFO L93 Difference]: Finished difference Result 81238 states and 146415 transitions. [2020-12-23 09:00:12,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:00:12,766 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-12-23 09:00:12,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:12,900 INFO L225 Difference]: With dead ends: 81238 [2020-12-23 09:00:12,900 INFO L226 Difference]: Without dead ends: 80881 [2020-12-23 09:00:12,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:00:12,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80881 states. [2020-12-23 09:00:16,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80881 to 79187. [2020-12-23 09:00:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79187 states. [2020-12-23 09:00:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79187 states to 79187 states and 142924 transitions. [2020-12-23 09:00:16,404 INFO L78 Accepts]: Start accepts. Automaton has 79187 states and 142924 transitions. Word has length 71 [2020-12-23 09:00:16,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:16,404 INFO L481 AbstractCegarLoop]: Abstraction has 79187 states and 142924 transitions. [2020-12-23 09:00:16,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 79187 states and 142924 transitions. [2020-12-23 09:00:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 09:00:16,417 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:16,418 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] [2020-12-23 09:00:16,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:00:16,418 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:16,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:16,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1108326607, now seen corresponding path program 1 times [2020-12-23 09:00:16,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:16,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015411828] [2020-12-23 09:00:16,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:16,811 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015411828] [2020-12-23 09:00:16,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:16,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:00:16,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643729505] [2020-12-23 09:00:16,813 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:00:16,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:16,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:00:16,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:00:16,814 INFO L87 Difference]: Start difference. First operand 79187 states and 142924 transitions. Second operand 8 states. [2020-12-23 09:00:19,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:19,922 INFO L93 Difference]: Finished difference Result 80411 states and 144987 transitions. [2020-12-23 09:00:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:00:19,924 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 72 [2020-12-23 09:00:19,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:20,054 INFO L225 Difference]: With dead ends: 80411 [2020-12-23 09:00:20,055 INFO L226 Difference]: Without dead ends: 79713 [2020-12-23 09:00:20,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-12-23 09:00:20,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79713 states. [2020-12-23 09:00:23,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79713 to 79154. [2020-12-23 09:00:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79154 states. [2020-12-23 09:00:23,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79154 states to 79154 states and 142864 transitions. [2020-12-23 09:00:23,609 INFO L78 Accepts]: Start accepts. Automaton has 79154 states and 142864 transitions. Word has length 72 [2020-12-23 09:00:23,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:23,609 INFO L481 AbstractCegarLoop]: Abstraction has 79154 states and 142864 transitions. [2020-12-23 09:00:23,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:00:23,609 INFO L276 IsEmpty]: Start isEmpty. Operand 79154 states and 142864 transitions. [2020-12-23 09:00:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:00:23,616 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:23,616 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] [2020-12-23 09:00:23,616 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:00:23,616 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:23,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:23,617 INFO L82 PathProgramCache]: Analyzing trace with hash -264548191, now seen corresponding path program 1 times [2020-12-23 09:00:23,617 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:23,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863280948] [2020-12-23 09:00:23,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:23,722 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:23,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863280948] [2020-12-23 09:00:23,723 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:23,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:00:23,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164484411] [2020-12-23 09:00:23,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:00:23,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:23,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:00:23,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:00:23,724 INFO L87 Difference]: Start difference. First operand 79154 states and 142864 transitions. Second operand 7 states. [2020-12-23 09:00:27,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:27,708 INFO L93 Difference]: Finished difference Result 83163 states and 149616 transitions. [2020-12-23 09:00:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:00:27,708 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-12-23 09:00:27,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:27,948 INFO L225 Difference]: With dead ends: 83163 [2020-12-23 09:00:27,948 INFO L226 Difference]: Without dead ends: 82879 [2020-12-23 09:00:27,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2020-12-23 09:00:28,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82879 states. [2020-12-23 09:00:31,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82879 to 79911. [2020-12-23 09:00:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79911 states. [2020-12-23 09:00:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79911 states to 79911 states and 144137 transitions. [2020-12-23 09:00:31,296 INFO L78 Accepts]: Start accepts. Automaton has 79911 states and 144137 transitions. Word has length 74 [2020-12-23 09:00:31,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:31,296 INFO L481 AbstractCegarLoop]: Abstraction has 79911 states and 144137 transitions. [2020-12-23 09:00:31,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:00:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 79911 states and 144137 transitions. [2020-12-23 09:00:31,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 09:00:31,307 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:31,307 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] [2020-12-23 09:00:31,307 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:00:31,307 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:31,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:31,308 INFO L82 PathProgramCache]: Analyzing trace with hash 390518938, now seen corresponding path program 1 times [2020-12-23 09:00:31,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:31,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139112622] [2020-12-23 09:00:31,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:31,425 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139112622] [2020-12-23 09:00:31,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:31,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 09:00:31,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829941247] [2020-12-23 09:00:31,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:00:31,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:31,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:00:31,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:00:31,426 INFO L87 Difference]: Start difference. First operand 79911 states and 144137 transitions. Second operand 9 states. [2020-12-23 09:00:32,812 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-12-23 09:00:35,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:35,240 INFO L93 Difference]: Finished difference Result 81333 states and 146530 transitions. [2020-12-23 09:00:35,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 09:00:35,241 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-12-23 09:00:35,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:35,366 INFO L225 Difference]: With dead ends: 81333 [2020-12-23 09:00:35,366 INFO L226 Difference]: Without dead ends: 80103 [2020-12-23 09:00:35,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2020-12-23 09:00:35,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80103 states. [2020-12-23 09:00:38,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80103 to 79638. [2020-12-23 09:00:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79638 states. [2020-12-23 09:00:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79638 states to 79638 states and 143675 transitions. [2020-12-23 09:00:38,841 INFO L78 Accepts]: Start accepts. Automaton has 79638 states and 143675 transitions. Word has length 75 [2020-12-23 09:00:38,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:38,841 INFO L481 AbstractCegarLoop]: Abstraction has 79638 states and 143675 transitions. [2020-12-23 09:00:38,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:00:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 79638 states and 143675 transitions. [2020-12-23 09:00:38,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 09:00:38,873 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:38,873 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:38,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:00:38,874 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:38,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:38,874 INFO L82 PathProgramCache]: Analyzing trace with hash -14028890, now seen corresponding path program 1 times [2020-12-23 09:00:38,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:38,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472642174] [2020-12-23 09:00:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:38,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472642174] [2020-12-23 09:00:38,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:38,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:00:38,955 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478341883] [2020-12-23 09:00:38,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:00:38,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:38,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:00:38,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:00:38,956 INFO L87 Difference]: Start difference. First operand 79638 states and 143675 transitions. Second operand 4 states. [2020-12-23 09:00:41,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:41,910 INFO L93 Difference]: Finished difference Result 80525 states and 145157 transitions. [2020-12-23 09:00:41,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:00:41,910 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-12-23 09:00:41,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:42,035 INFO L225 Difference]: With dead ends: 80525 [2020-12-23 09:00:42,036 INFO L226 Difference]: Without dead ends: 79638 [2020-12-23 09:00:42,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:42,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79638 states. [2020-12-23 09:00:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79638 to 79638. [2020-12-23 09:00:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79638 states. [2020-12-23 09:00:45,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79638 states to 79638 states and 143662 transitions. [2020-12-23 09:00:45,552 INFO L78 Accepts]: Start accepts. Automaton has 79638 states and 143662 transitions. Word has length 101 [2020-12-23 09:00:45,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:45,552 INFO L481 AbstractCegarLoop]: Abstraction has 79638 states and 143662 transitions. [2020-12-23 09:00:45,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:00:45,552 INFO L276 IsEmpty]: Start isEmpty. Operand 79638 states and 143662 transitions. [2020-12-23 09:00:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 09:00:45,586 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:45,586 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:45,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:00:45,586 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:45,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:45,587 INFO L82 PathProgramCache]: Analyzing trace with hash -893877528, now seen corresponding path program 1 times [2020-12-23 09:00:45,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:45,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806828569] [2020-12-23 09:00:45,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:45,741 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:45,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806828569] [2020-12-23 09:00:45,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:45,742 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 09:00:45,742 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905720853] [2020-12-23 09:00:45,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 09:00:45,743 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:45,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 09:00:45,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:00:45,744 INFO L87 Difference]: Start difference. First operand 79638 states and 143662 transitions. Second operand 11 states. [2020-12-23 09:00:50,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:50,956 INFO L93 Difference]: Finished difference Result 88280 states and 158088 transitions. [2020-12-23 09:00:50,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-23 09:00:50,956 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 104 [2020-12-23 09:00:50,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:51,099 INFO L225 Difference]: With dead ends: 88280 [2020-12-23 09:00:51,099 INFO L226 Difference]: Without dead ends: 87423 [2020-12-23 09:00:51,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2020-12-23 09:00:51,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87423 states. [2020-12-23 09:00:54,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87423 to 80931. [2020-12-23 09:00:54,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80931 states. [2020-12-23 09:00:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80931 states to 80931 states and 145798 transitions. [2020-12-23 09:00:54,948 INFO L78 Accepts]: Start accepts. Automaton has 80931 states and 145798 transitions. Word has length 104 [2020-12-23 09:00:54,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:54,948 INFO L481 AbstractCegarLoop]: Abstraction has 80931 states and 145798 transitions. [2020-12-23 09:00:54,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 09:00:54,948 INFO L276 IsEmpty]: Start isEmpty. Operand 80931 states and 145798 transitions. [2020-12-23 09:00:54,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 09:00:54,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:54,986 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:54,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:00:54,987 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:54,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:54,987 INFO L82 PathProgramCache]: Analyzing trace with hash -144578919, now seen corresponding path program 1 times [2020-12-23 09:00:54,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:54,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285736813] [2020-12-23 09:00:54,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:55,103 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:55,104 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285736813] [2020-12-23 09:00:55,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:55,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 09:00:55,104 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126079603] [2020-12-23 09:00:55,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:00:55,105 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:55,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:00:55,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:00:55,106 INFO L87 Difference]: Start difference. First operand 80931 states and 145798 transitions. Second operand 9 states. [2020-12-23 09:00:58,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:58,613 INFO L93 Difference]: Finished difference Result 83592 states and 150230 transitions. [2020-12-23 09:00:58,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:00:58,614 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2020-12-23 09:00:58,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:58,755 INFO L225 Difference]: With dead ends: 83592 [2020-12-23 09:00:58,755 INFO L226 Difference]: Without dead ends: 81127 [2020-12-23 09:00:58,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2020-12-23 09:00:58,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81127 states. [2020-12-23 09:01:02,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81127 to 80403. [2020-12-23 09:01:02,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80403 states. [2020-12-23 09:01:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80403 states to 80403 states and 144895 transitions. [2020-12-23 09:01:02,387 INFO L78 Accepts]: Start accepts. Automaton has 80403 states and 144895 transitions. Word has length 105 [2020-12-23 09:01:02,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:02,388 INFO L481 AbstractCegarLoop]: Abstraction has 80403 states and 144895 transitions. [2020-12-23 09:01:02,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:01:02,388 INFO L276 IsEmpty]: Start isEmpty. Operand 80403 states and 144895 transitions. [2020-12-23 09:01:02,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 09:01:02,429 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:02,430 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:01:02,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:01:02,430 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:02,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:02,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1835260930, now seen corresponding path program 1 times [2020-12-23 09:01:02,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:02,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080829491] [2020-12-23 09:01:02,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:02,529 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:01:02,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080829491] [2020-12-23 09:01:02,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:02,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:01:02,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962361348] [2020-12-23 09:01:02,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:01:02,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:02,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:01:02,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:01:02,531 INFO L87 Difference]: Start difference. First operand 80403 states and 144895 transitions. Second operand 6 states. [2020-12-23 09:01:07,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:01:07,701 INFO L93 Difference]: Finished difference Result 125953 states and 226025 transitions. [2020-12-23 09:01:07,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:01:07,701 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2020-12-23 09:01:07,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:01:07,942 INFO L225 Difference]: With dead ends: 125953 [2020-12-23 09:01:07,943 INFO L226 Difference]: Without dead ends: 124547 [2020-12-23 09:01:07,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:01:08,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124547 states. [2020-12-23 09:01:13,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124547 to 120921. [2020-12-23 09:01:13,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120921 states. [2020-12-23 09:01:13,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120921 states to 120921 states and 217693 transitions. [2020-12-23 09:01:13,985 INFO L78 Accepts]: Start accepts. Automaton has 120921 states and 217693 transitions. Word has length 105 [2020-12-23 09:01:13,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:13,985 INFO L481 AbstractCegarLoop]: Abstraction has 120921 states and 217693 transitions. [2020-12-23 09:01:13,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:01:13,985 INFO L276 IsEmpty]: Start isEmpty. Operand 120921 states and 217693 transitions. [2020-12-23 09:01:14,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 09:01:14,025 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:14,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:01:14,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 09:01:14,026 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:14,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:14,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1893439121, now seen corresponding path program 1 times [2020-12-23 09:01:14,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:14,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506517371] [2020-12-23 09:01:14,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:14,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:01:14,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506517371] [2020-12-23 09:01:14,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:14,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:01:14,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930306206] [2020-12-23 09:01:14,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:01:14,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:14,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:01:14,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:01:14,096 INFO L87 Difference]: Start difference. First operand 120921 states and 217693 transitions. Second operand 3 states. [2020-12-23 09:01:24,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:01:24,914 INFO L93 Difference]: Finished difference Result 358345 states and 645190 transitions. [2020-12-23 09:01:24,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:01:24,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-23 09:01:24,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:01:25,522 INFO L225 Difference]: With dead ends: 358345 [2020-12-23 09:01:25,522 INFO L226 Difference]: Without dead ends: 237697 [2020-12-23 09:01:25,656 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:01:25,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237697 states. [2020-12-23 09:01:36,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237697 to 233819. [2020-12-23 09:01:36,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233819 states. [2020-12-23 09:01:37,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233819 states to 233819 states and 420830 transitions. [2020-12-23 09:01:37,244 INFO L78 Accepts]: Start accepts. Automaton has 233819 states and 420830 transitions. Word has length 105 [2020-12-23 09:01:37,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:37,244 INFO L481 AbstractCegarLoop]: Abstraction has 233819 states and 420830 transitions. [2020-12-23 09:01:37,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:01:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 233819 states and 420830 transitions. [2020-12-23 09:01:37,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:01:37,299 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:37,299 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:01:37,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 09:01:37,299 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:37,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:37,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1319429265, now seen corresponding path program 1 times [2020-12-23 09:01:37,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:37,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280544863] [2020-12-23 09:01:37,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:01:37,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280544863] [2020-12-23 09:01:37,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:37,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:01:37,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498684472] [2020-12-23 09:01:37,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:01:37,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:37,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:01:37,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:01:37,474 INFO L87 Difference]: Start difference. First operand 233819 states and 420830 transitions. Second operand 10 states. [2020-12-23 09:01:48,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:01:48,447 INFO L93 Difference]: Finished difference Result 245243 states and 439682 transitions. [2020-12-23 09:01:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 09:01:48,448 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 106 [2020-12-23 09:01:48,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:01:48,993 INFO L225 Difference]: With dead ends: 245243 [2020-12-23 09:01:48,994 INFO L226 Difference]: Without dead ends: 242489 [2020-12-23 09:01:49,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=284, Invalid=708, Unknown=0, NotChecked=0, Total=992 [2020-12-23 09:01:49,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242489 states. [2020-12-23 09:01:59,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242489 to 235869. [2020-12-23 09:01:59,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235869 states. [2020-12-23 09:02:00,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235869 states to 235869 states and 424153 transitions. [2020-12-23 09:02:00,768 INFO L78 Accepts]: Start accepts. Automaton has 235869 states and 424153 transitions. Word has length 106 [2020-12-23 09:02:00,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:00,768 INFO L481 AbstractCegarLoop]: Abstraction has 235869 states and 424153 transitions. [2020-12-23 09:02:00,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:02:00,768 INFO L276 IsEmpty]: Start isEmpty. Operand 235869 states and 424153 transitions. [2020-12-23 09:02:00,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:02:00,830 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:00,830 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:00,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 09:02:00,831 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:00,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:00,831 INFO L82 PathProgramCache]: Analyzing trace with hash 414631220, now seen corresponding path program 1 times [2020-12-23 09:02:00,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:00,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379587757] [2020-12-23 09:02:00,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:02:00,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379587757] [2020-12-23 09:02:00,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:00,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:02:00,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527659556] [2020-12-23 09:02:00,910 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:02:00,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:00,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:02:00,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:02:00,910 INFO L87 Difference]: Start difference. First operand 235869 states and 424153 transitions. Second operand 4 states. [2020-12-23 09:02:08,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:08,062 INFO L93 Difference]: Finished difference Result 239111 states and 429466 transitions. [2020-12-23 09:02:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:02:08,063 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 106 [2020-12-23 09:02:08,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:08,424 INFO L225 Difference]: With dead ends: 239111 [2020-12-23 09:02:08,424 INFO L226 Difference]: Without dead ends: 159519 [2020-12-23 09:02:08,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:02:08,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159519 states. [2020-12-23 09:02:15,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159519 to 159321. [2020-12-23 09:02:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159321 states. [2020-12-23 09:02:16,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159321 states to 159321 states and 285651 transitions. [2020-12-23 09:02:16,326 INFO L78 Accepts]: Start accepts. Automaton has 159321 states and 285651 transitions. Word has length 106 [2020-12-23 09:02:16,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:16,326 INFO L481 AbstractCegarLoop]: Abstraction has 159321 states and 285651 transitions. [2020-12-23 09:02:16,326 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:02:16,326 INFO L276 IsEmpty]: Start isEmpty. Operand 159321 states and 285651 transitions. [2020-12-23 09:02:16,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 09:02:16,365 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:16,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:16,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 09:02:16,365 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:16,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:16,366 INFO L82 PathProgramCache]: Analyzing trace with hash 346012524, now seen corresponding path program 1 times [2020-12-23 09:02:16,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:16,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416872064] [2020-12-23 09:02:16,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:16,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:16,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416872064] [2020-12-23 09:02:16,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:16,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:16,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612317042] [2020-12-23 09:02:16,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:16,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:16,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:16,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:16,450 INFO L87 Difference]: Start difference. First operand 159321 states and 285651 transitions. Second operand 3 states. [2020-12-23 09:02:28,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:28,262 INFO L93 Difference]: Finished difference Result 292517 states and 522094 transitions. [2020-12-23 09:02:28,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:28,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2020-12-23 09:02:28,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:29,088 INFO L225 Difference]: With dead ends: 292517 [2020-12-23 09:02:29,088 INFO L226 Difference]: Without dead ends: 286589 [2020-12-23 09:02:29,181 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:29,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286589 states. [2020-12-23 09:02:43,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286589 to 280661. [2020-12-23 09:02:43,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280661 states. [2020-12-23 09:02:44,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280661 states to 280661 states and 501709 transitions. [2020-12-23 09:02:44,495 INFO L78 Accepts]: Start accepts. Automaton has 280661 states and 501709 transitions. Word has length 106 [2020-12-23 09:02:44,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:44,496 INFO L481 AbstractCegarLoop]: Abstraction has 280661 states and 501709 transitions. [2020-12-23 09:02:44,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:44,496 INFO L276 IsEmpty]: Start isEmpty. Operand 280661 states and 501709 transitions. [2020-12-23 09:02:44,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-23 09:02:44,540 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:44,540 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:44,540 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-12-23 09:02:44,541 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:44,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:44,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1089170990, now seen corresponding path program 1 times [2020-12-23 09:02:44,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:44,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963042489] [2020-12-23 09:02:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:02:44,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963042489] [2020-12-23 09:02:44,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:44,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:02:44,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710858552] [2020-12-23 09:02:44,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:02:44,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:44,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:02:44,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:02:44,608 INFO L87 Difference]: Start difference. First operand 280661 states and 501709 transitions. Second operand 4 states. [2020-12-23 09:02:55,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:55,412 INFO L93 Difference]: Finished difference Result 284517 states and 508054 transitions. [2020-12-23 09:02:55,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:02:55,413 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2020-12-23 09:02:55,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:56,180 INFO L225 Difference]: With dead ends: 284517 [2020-12-23 09:02:56,180 INFO L226 Difference]: Without dead ends: 280649 [2020-12-23 09:02:56,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:02:56,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280649 states.