/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_spec8_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:11:01,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:11:01,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:11:01,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:11:01,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:11:01,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:11:01,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:11:01,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:11:01,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:11:01,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:11:01,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:11:01,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:11:01,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:11:01,459 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:11:01,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:11:01,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:11:01,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:11:01,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:11:01,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:11:01,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:11:01,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:11:01,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:11:01,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:11:01,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:11:01,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:11:01,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:11:01,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:11:01,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:11:01,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:11:01,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:11:01,509 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:11:01,510 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:11:01,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:11:01,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:11:01,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:11:01,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:11:01,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:11:01,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:11:01,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:11:01,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:11:01,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:11:01,521 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:11:01,578 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:11:01,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:11:01,580 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:11:01,580 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:11:01,581 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:11:01,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:11:01,582 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:11:01,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:11:01,583 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:11:01,583 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:11:01,583 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:11:01,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:11:01,584 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:11:01,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:11:01,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:11:01,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:11:01,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:11:01,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:11:01,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:11:01,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:11:01,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:11:01,587 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:11:01,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:11:01,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:11:01,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:11:01,588 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:11:02,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:11:02,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:11:02,131 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:11:02,133 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:11:02,133 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:11:02,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product32.cil.c [2020-12-23 09:11:02,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0207aa1dc/e44be56e0c254fb5a0961abdf73070cc/FLAG93762f058 [2020-12-23 09:11:03,021 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:11:03,022 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product32.cil.c [2020-12-23 09:11:03,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0207aa1dc/e44be56e0c254fb5a0961abdf73070cc/FLAG93762f058 [2020-12-23 09:11:03,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0207aa1dc/e44be56e0c254fb5a0961abdf73070cc [2020-12-23 09:11:03,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:11:03,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:11:03,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:11:03,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:11:03,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:11:03,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:11:03" (1/1) ... [2020-12-23 09:11:03,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb7e0b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:03, skipping insertion in model container [2020-12-23 09:11:03,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:11:03" (1/1) ... [2020-12-23 09:11:03,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:11:03,309 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[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] [2020-12-23 09:11:04,057 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_spec8_product32.cil.c[36740,36753] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] 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_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 09:11:04,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:11:04,365 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[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] [2020-12-23 09:11:04,483 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_spec8_product32.cil.c[36740,36753] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] 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_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 09:11:04,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:11:04,663 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:11:04,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04 WrapperNode [2020-12-23 09:11:04,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:11:04,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:11:04,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:11:04,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:11:04,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... [2020-12-23 09:11:04,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... [2020-12-23 09:11:04,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:11:04,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:11:04,887 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:11:04,887 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:11:04,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... [2020-12-23 09:11:04,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... [2020-12-23 09:11:04,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... [2020-12-23 09:11:04,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... [2020-12-23 09:11:05,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... [2020-12-23 09:11:05,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... [2020-12-23 09:11:05,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... [2020-12-23 09:11:05,138 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:11:05,139 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:11:05,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:11:05,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:11:05,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:11:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:11:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:11:05,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:11:05,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:11:05,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:11:09,300 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:11:09,304 INFO L299 CfgBuilder]: Removed 693 assume(true) statements. [2020-12-23 09:11:09,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:11:09 BoogieIcfgContainer [2020-12-23 09:11:09,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:11:09,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:11:09,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:11:09,324 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:11:09,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:11:03" (1/3) ... [2020-12-23 09:11:09,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c441bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:11:09, skipping insertion in model container [2020-12-23 09:11:09,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:11:04" (2/3) ... [2020-12-23 09:11:09,326 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c441bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:11:09, skipping insertion in model container [2020-12-23 09:11:09,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:11:09" (3/3) ... [2020-12-23 09:11:09,336 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product32.cil.c [2020-12-23 09:11:09,344 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:11:09,362 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 09:11:09,383 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 09:11:09,420 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:11:09,420 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:11:09,420 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:11:09,420 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:11:09,421 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:11:09,421 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:11:09,421 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:11:09,421 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:11:09,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states. [2020-12-23 09:11:09,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 09:11:09,479 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:09,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:09,481 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:09,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:09,488 INFO L82 PathProgramCache]: Analyzing trace with hash -710705232, now seen corresponding path program 1 times [2020-12-23 09:11:09,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:09,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618216906] [2020-12-23 09:11:09,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:10,009 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 09:11:10,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618216906] [2020-12-23 09:11:10,012 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:10,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:10,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863119666] [2020-12-23 09:11:10,018 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:10,019 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:10,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:10,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:10,042 INFO L87 Difference]: Start difference. First operand 1080 states. Second operand 3 states. [2020-12-23 09:11:10,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:10,244 INFO L93 Difference]: Finished difference Result 3205 states and 5582 transitions. [2020-12-23 09:11:10,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:10,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 09:11:10,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:10,276 INFO L225 Difference]: With dead ends: 3205 [2020-12-23 09:11:10,276 INFO L226 Difference]: Without dead ends: 1820 [2020-12-23 09:11:10,285 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 09:11:10,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1820 states. [2020-12-23 09:11:10,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1820 to 919. [2020-12-23 09:11:10,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-12-23 09:11:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1595 transitions. [2020-12-23 09:11:10,472 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1595 transitions. Word has length 48 [2020-12-23 09:11:10,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:10,472 INFO L481 AbstractCegarLoop]: Abstraction has 919 states and 1595 transitions. [2020-12-23 09:11:10,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:10,473 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1595 transitions. [2020-12-23 09:11:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:11:10,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:10,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:10,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:11:10,478 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:10,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:10,479 INFO L82 PathProgramCache]: Analyzing trace with hash -594177906, now seen corresponding path program 1 times [2020-12-23 09:11:10,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:10,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148033850] [2020-12-23 09:11:10,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:10,643 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 09:11:10,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148033850] [2020-12-23 09:11:10,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:10,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:10,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576280929] [2020-12-23 09:11:10,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:10,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:10,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:10,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:10,649 INFO L87 Difference]: Start difference. First operand 919 states and 1595 transitions. Second operand 5 states. [2020-12-23 09:11:10,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:10,935 INFO L93 Difference]: Finished difference Result 2706 states and 4701 transitions. [2020-12-23 09:11:10,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:11:10,936 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 09:11:10,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:10,952 INFO L225 Difference]: With dead ends: 2706 [2020-12-23 09:11:10,952 INFO L226 Difference]: Without dead ends: 1806 [2020-12-23 09:11:10,956 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:11:10,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2020-12-23 09:11:11,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 919. [2020-12-23 09:11:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-12-23 09:11:11,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1594 transitions. [2020-12-23 09:11:11,005 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1594 transitions. Word has length 50 [2020-12-23 09:11:11,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:11,006 INFO L481 AbstractCegarLoop]: Abstraction has 919 states and 1594 transitions. [2020-12-23 09:11:11,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:11,006 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1594 transitions. [2020-12-23 09:11:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:11:11,011 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:11,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:11,011 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:11:11,012 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:11,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:11,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1290509979, now seen corresponding path program 1 times [2020-12-23 09:11:11,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:11,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689604577] [2020-12-23 09:11:11,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:11,174 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 09:11:11,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689604577] [2020-12-23 09:11:11,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:11,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:11,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365041270] [2020-12-23 09:11:11,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:11,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:11,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:11,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:11,177 INFO L87 Difference]: Start difference. First operand 919 states and 1594 transitions. Second operand 3 states. [2020-12-23 09:11:11,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:11,256 INFO L93 Difference]: Finished difference Result 1820 states and 3162 transitions. [2020-12-23 09:11:11,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:11,257 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 09:11:11,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:11,263 INFO L225 Difference]: With dead ends: 1820 [2020-12-23 09:11:11,263 INFO L226 Difference]: Without dead ends: 924 [2020-12-23 09:11:11,265 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 09:11:11,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2020-12-23 09:11:11,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 919. [2020-12-23 09:11:11,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-12-23 09:11:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1593 transitions. [2020-12-23 09:11:11,308 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1593 transitions. Word has length 51 [2020-12-23 09:11:11,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:11,309 INFO L481 AbstractCegarLoop]: Abstraction has 919 states and 1593 transitions. [2020-12-23 09:11:11,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:11,309 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1593 transitions. [2020-12-23 09:11:11,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 09:11:11,311 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:11,311 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] [2020-12-23 09:11:11,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:11:11,311 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:11,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:11,312 INFO L82 PathProgramCache]: Analyzing trace with hash 728062433, now seen corresponding path program 1 times [2020-12-23 09:11:11,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:11,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705233680] [2020-12-23 09:11:11,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:11,466 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 09:11:11,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705233680] [2020-12-23 09:11:11,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:11,469 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:11,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24542022] [2020-12-23 09:11:11,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:11,470 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:11,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:11,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:11,474 INFO L87 Difference]: Start difference. First operand 919 states and 1593 transitions. Second operand 3 states. [2020-12-23 09:11:11,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:11,549 INFO L93 Difference]: Finished difference Result 1830 states and 3175 transitions. [2020-12-23 09:11:11,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:11,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 09:11:11,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:11,555 INFO L225 Difference]: With dead ends: 1830 [2020-12-23 09:11:11,555 INFO L226 Difference]: Without dead ends: 919 [2020-12-23 09:11:11,558 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 09:11:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2020-12-23 09:11:11,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 919. [2020-12-23 09:11:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-12-23 09:11:11,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1591 transitions. [2020-12-23 09:11:11,599 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1591 transitions. Word has length 52 [2020-12-23 09:11:11,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:11,601 INFO L481 AbstractCegarLoop]: Abstraction has 919 states and 1591 transitions. [2020-12-23 09:11:11,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1591 transitions. [2020-12-23 09:11:11,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 09:11:11,603 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:11,603 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] [2020-12-23 09:11:11,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:11:11,603 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:11,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:11,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1633624374, now seen corresponding path program 1 times [2020-12-23 09:11:11,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:11,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866270591] [2020-12-23 09:11:11,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:11,754 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 09:11:11,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866270591] [2020-12-23 09:11:11,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:11,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:11,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113221207] [2020-12-23 09:11:11,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:11,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:11,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:11,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:11,759 INFO L87 Difference]: Start difference. First operand 919 states and 1591 transitions. Second operand 5 states. [2020-12-23 09:11:12,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:12,007 INFO L93 Difference]: Finished difference Result 2696 states and 4681 transitions. [2020-12-23 09:11:12,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:11:12,008 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-23 09:11:12,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:12,019 INFO L225 Difference]: With dead ends: 2696 [2020-12-23 09:11:12,019 INFO L226 Difference]: Without dead ends: 1804 [2020-12-23 09:11:12,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:11:12,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2020-12-23 09:11:12,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 919. [2020-12-23 09:11:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-12-23 09:11:12,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1590 transitions. [2020-12-23 09:11:12,074 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1590 transitions. Word has length 53 [2020-12-23 09:11:12,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:12,075 INFO L481 AbstractCegarLoop]: Abstraction has 919 states and 1590 transitions. [2020-12-23 09:11:12,075 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:12,075 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1590 transitions. [2020-12-23 09:11:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:11:12,077 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:12,077 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] [2020-12-23 09:11:12,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:11:12,077 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:12,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:12,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1331395815, now seen corresponding path program 1 times [2020-12-23 09:11:12,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:12,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369977844] [2020-12-23 09:11:12,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:12,192 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 09:11:12,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369977844] [2020-12-23 09:11:12,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:12,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:12,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411922836] [2020-12-23 09:11:12,195 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:12,195 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:12,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:12,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:12,196 INFO L87 Difference]: Start difference. First operand 919 states and 1590 transitions. Second operand 5 states. [2020-12-23 09:11:12,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:12,488 INFO L93 Difference]: Finished difference Result 2701 states and 4686 transitions. [2020-12-23 09:11:12,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:11:12,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 09:11:12,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:12,499 INFO L225 Difference]: With dead ends: 2701 [2020-12-23 09:11:12,499 INFO L226 Difference]: Without dead ends: 1809 [2020-12-23 09:11:12,502 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:11:12,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2020-12-23 09:11:12,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 919. [2020-12-23 09:11:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2020-12-23 09:11:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1589 transitions. [2020-12-23 09:11:12,578 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1589 transitions. Word has length 54 [2020-12-23 09:11:12,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:12,578 INFO L481 AbstractCegarLoop]: Abstraction has 919 states and 1589 transitions. [2020-12-23 09:11:12,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:12,579 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1589 transitions. [2020-12-23 09:11:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 09:11:12,580 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:12,580 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] [2020-12-23 09:11:12,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:11:12,581 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:12,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:12,585 INFO L82 PathProgramCache]: Analyzing trace with hash 2074751537, now seen corresponding path program 1 times [2020-12-23 09:11:12,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:12,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984463035] [2020-12-23 09:11:12,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:12,700 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 09:11:12,701 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984463035] [2020-12-23 09:11:12,701 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:12,701 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:12,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350714948] [2020-12-23 09:11:12,702 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:12,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:12,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:12,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:12,703 INFO L87 Difference]: Start difference. First operand 919 states and 1589 transitions. Second operand 3 states. [2020-12-23 09:11:12,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:12,772 INFO L93 Difference]: Finished difference Result 1557 states and 2672 transitions. [2020-12-23 09:11:12,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:12,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 09:11:12,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:12,779 INFO L225 Difference]: With dead ends: 1557 [2020-12-23 09:11:12,779 INFO L226 Difference]: Without dead ends: 922 [2020-12-23 09:11:12,781 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 09:11:12,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2020-12-23 09:11:12,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 921. [2020-12-23 09:11:12,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 921 states. [2020-12-23 09:11:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1591 transitions. [2020-12-23 09:11:12,840 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1591 transitions. Word has length 55 [2020-12-23 09:11:12,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:12,842 INFO L481 AbstractCegarLoop]: Abstraction has 921 states and 1591 transitions. [2020-12-23 09:11:12,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:12,843 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1591 transitions. [2020-12-23 09:11:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 09:11:12,845 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:12,845 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:12,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:11:12,845 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:12,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:12,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1412826399, now seen corresponding path program 1 times [2020-12-23 09:11:12,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:12,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529149039] [2020-12-23 09:11:12,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:11:12,929 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529149039] [2020-12-23 09:11:12,929 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:12,929 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:12,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242603786] [2020-12-23 09:11:12,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:12,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:12,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:12,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:12,931 INFO L87 Difference]: Start difference. First operand 921 states and 1591 transitions. Second operand 3 states. [2020-12-23 09:11:13,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:13,034 INFO L93 Difference]: Finished difference Result 2649 states and 4597 transitions. [2020-12-23 09:11:13,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:13,034 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-23 09:11:13,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:13,045 INFO L225 Difference]: With dead ends: 2649 [2020-12-23 09:11:13,045 INFO L226 Difference]: Without dead ends: 1759 [2020-12-23 09:11:13,049 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 09:11:13,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1759 states. [2020-12-23 09:11:13,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1759 to 1124. [2020-12-23 09:11:13,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-12-23 09:11:13,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1966 transitions. [2020-12-23 09:11:13,124 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1966 transitions. Word has length 63 [2020-12-23 09:11:13,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:13,124 INFO L481 AbstractCegarLoop]: Abstraction has 1124 states and 1966 transitions. [2020-12-23 09:11:13,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:13,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1966 transitions. [2020-12-23 09:11:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 09:11:13,126 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:13,126 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:13,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:11:13,126 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:13,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:13,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1287266558, now seen corresponding path program 1 times [2020-12-23 09:11:13,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:13,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111011728] [2020-12-23 09:11:13,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:11:13,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111011728] [2020-12-23 09:11:13,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:13,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:13,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132992074] [2020-12-23 09:11:13,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:13,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:13,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:13,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:13,260 INFO L87 Difference]: Start difference. First operand 1124 states and 1966 transitions. Second operand 5 states. [2020-12-23 09:11:13,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:13,630 INFO L93 Difference]: Finished difference Result 3302 states and 5804 transitions. [2020-12-23 09:11:13,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:11:13,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-23 09:11:13,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:13,645 INFO L225 Difference]: With dead ends: 3302 [2020-12-23 09:11:13,646 INFO L226 Difference]: Without dead ends: 2209 [2020-12-23 09:11:13,649 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 09:11:13,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2209 states. [2020-12-23 09:11:13,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2209 to 1124. [2020-12-23 09:11:13,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2020-12-23 09:11:13,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1964 transitions. [2020-12-23 09:11:13,749 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1964 transitions. Word has length 64 [2020-12-23 09:11:13,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:13,750 INFO L481 AbstractCegarLoop]: Abstraction has 1124 states and 1964 transitions. [2020-12-23 09:11:13,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:13,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1964 transitions. [2020-12-23 09:11:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 09:11:13,752 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:13,752 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:13,752 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:11:13,752 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:13,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:13,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1975737045, now seen corresponding path program 1 times [2020-12-23 09:11:13,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:13,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650805258] [2020-12-23 09:11:13,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:11:13,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650805258] [2020-12-23 09:11:13,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:13,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:13,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878025661] [2020-12-23 09:11:13,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:13,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:13,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:13,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:13,845 INFO L87 Difference]: Start difference. First operand 1124 states and 1964 transitions. Second operand 3 states. [2020-12-23 09:11:13,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:13,992 INFO L93 Difference]: Finished difference Result 3300 states and 5796 transitions. [2020-12-23 09:11:13,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:13,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 09:11:13,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:14,006 INFO L225 Difference]: With dead ends: 3300 [2020-12-23 09:11:14,007 INFO L226 Difference]: Without dead ends: 2207 [2020-12-23 09:11:14,011 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 09:11:14,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2020-12-23 09:11:14,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 1572. [2020-12-23 09:11:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1572 states. [2020-12-23 09:11:14,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2791 transitions. [2020-12-23 09:11:14,129 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2791 transitions. Word has length 65 [2020-12-23 09:11:14,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:14,129 INFO L481 AbstractCegarLoop]: Abstraction has 1572 states and 2791 transitions. [2020-12-23 09:11:14,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:14,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2791 transitions. [2020-12-23 09:11:14,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 09:11:14,137 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:14,137 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:14,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:11:14,138 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:14,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:14,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2020126835, now seen corresponding path program 1 times [2020-12-23 09:11:14,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:14,139 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943874672] [2020-12-23 09:11:14,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:14,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:11:14,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943874672] [2020-12-23 09:11:14,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606089649] [2020-12-23 09:11:14,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:11:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:14,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:11:14,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:11:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:11:14,732 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:11:14,732 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 09:11:14,732 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306606223] [2020-12-23 09:11:14,733 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:14,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:14,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:14,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:14,734 INFO L87 Difference]: Start difference. First operand 1572 states and 2791 transitions. Second operand 3 states. [2020-12-23 09:11:14,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:14,846 INFO L93 Difference]: Finished difference Result 2109 states and 3700 transitions. [2020-12-23 09:11:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:14,847 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 09:11:14,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:14,857 INFO L225 Difference]: With dead ends: 2109 [2020-12-23 09:11:14,857 INFO L226 Difference]: Without dead ends: 1574 [2020-12-23 09:11:14,859 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1574 states. [2020-12-23 09:11:14,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1574 to 1560. [2020-12-23 09:11:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1560 states. [2020-12-23 09:11:14,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2773 transitions. [2020-12-23 09:11:14,965 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2773 transitions. Word has length 65 [2020-12-23 09:11:14,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:14,965 INFO L481 AbstractCegarLoop]: Abstraction has 1560 states and 2773 transitions. [2020-12-23 09:11:14,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:14,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2773 transitions. [2020-12-23 09:11:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:11:14,969 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:14,969 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:15,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 09:11:15,184 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:15,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:15,185 INFO L82 PathProgramCache]: Analyzing trace with hash -329438850, now seen corresponding path program 1 times [2020-12-23 09:11:15,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:15,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8094268] [2020-12-23 09:11:15,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:15,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:11:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8094268] [2020-12-23 09:11:15,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848442709] [2020-12-23 09:11:15,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:11:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:15,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 1286 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:11:15,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:11:16,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:11:16,145 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:11:16,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:11:16,146 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754846850] [2020-12-23 09:11:16,147 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:16,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:16,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:16,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:16,148 INFO L87 Difference]: Start difference. First operand 1560 states and 2773 transitions. Second operand 5 states. [2020-12-23 09:11:16,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:16,355 INFO L93 Difference]: Finished difference Result 3068 states and 5373 transitions. [2020-12-23 09:11:16,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:11:16,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-12-23 09:11:16,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:16,370 INFO L225 Difference]: With dead ends: 3068 [2020-12-23 09:11:16,370 INFO L226 Difference]: Without dead ends: 2445 [2020-12-23 09:11:16,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:16,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2445 states. [2020-12-23 09:11:16,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2445 to 1819. [2020-12-23 09:11:16,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1819 states. [2020-12-23 09:11:16,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1819 states to 1819 states and 3245 transitions. [2020-12-23 09:11:16,523 INFO L78 Accepts]: Start accepts. Automaton has 1819 states and 3245 transitions. Word has length 109 [2020-12-23 09:11:16,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:16,523 INFO L481 AbstractCegarLoop]: Abstraction has 1819 states and 3245 transitions. [2020-12-23 09:11:16,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 3245 transitions. [2020-12-23 09:11:16,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 09:11:16,528 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:16,529 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:11:16,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 09:11:16,743 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:16,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:16,745 INFO L82 PathProgramCache]: Analyzing trace with hash -1928601029, now seen corresponding path program 1 times [2020-12-23 09:11:16,745 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:16,745 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092399641] [2020-12-23 09:11:16,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:16,839 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 09:11:16,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092399641] [2020-12-23 09:11:16,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:16,840 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:16,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850977068] [2020-12-23 09:11:16,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:16,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:16,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:16,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:16,842 INFO L87 Difference]: Start difference. First operand 1819 states and 3245 transitions. Second operand 3 states. [2020-12-23 09:11:17,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:17,097 INFO L93 Difference]: Finished difference Result 5048 states and 9027 transitions. [2020-12-23 09:11:17,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:17,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-23 09:11:17,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:17,137 INFO L225 Difference]: With dead ends: 5048 [2020-12-23 09:11:17,137 INFO L226 Difference]: Without dead ends: 3330 [2020-12-23 09:11:17,141 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 09:11:17,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3330 states. [2020-12-23 09:11:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3330 to 2707. [2020-12-23 09:11:17,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2707 states. [2020-12-23 09:11:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2707 states to 2707 states and 4878 transitions. [2020-12-23 09:11:17,351 INFO L78 Accepts]: Start accepts. Automaton has 2707 states and 4878 transitions. Word has length 113 [2020-12-23 09:11:17,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:17,351 INFO L481 AbstractCegarLoop]: Abstraction has 2707 states and 4878 transitions. [2020-12-23 09:11:17,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:17,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2707 states and 4878 transitions. [2020-12-23 09:11:17,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-12-23 09:11:17,359 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:17,359 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:17,359 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:11:17,359 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:17,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:17,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1563344965, now seen corresponding path program 1 times [2020-12-23 09:11:17,360 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:17,361 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080985077] [2020-12-23 09:11:17,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:17,449 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 09:11:17,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080985077] [2020-12-23 09:11:17,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:17,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:17,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396853213] [2020-12-23 09:11:17,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:17,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:17,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:17,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:17,451 INFO L87 Difference]: Start difference. First operand 2707 states and 4878 transitions. Second operand 3 states. [2020-12-23 09:11:17,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:17,772 INFO L93 Difference]: Finished difference Result 7448 states and 13445 transitions. [2020-12-23 09:11:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:17,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2020-12-23 09:11:17,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:17,794 INFO L225 Difference]: With dead ends: 7448 [2020-12-23 09:11:17,795 INFO L226 Difference]: Without dead ends: 4876 [2020-12-23 09:11:17,802 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 09:11:17,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4876 states. [2020-12-23 09:11:18,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4876 to 4253. [2020-12-23 09:11:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4253 states. [2020-12-23 09:11:18,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4253 states to 4253 states and 7719 transitions. [2020-12-23 09:11:18,167 INFO L78 Accepts]: Start accepts. Automaton has 4253 states and 7719 transitions. Word has length 114 [2020-12-23 09:11:18,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:18,167 INFO L481 AbstractCegarLoop]: Abstraction has 4253 states and 7719 transitions. [2020-12-23 09:11:18,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:18,168 INFO L276 IsEmpty]: Start isEmpty. Operand 4253 states and 7719 transitions. [2020-12-23 09:11:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2020-12-23 09:11:18,179 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:18,179 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:18,179 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:11:18,179 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:18,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:18,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1791660436, now seen corresponding path program 1 times [2020-12-23 09:11:18,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:18,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942529885] [2020-12-23 09:11:18,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:18,287 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 09:11:18,287 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942529885] [2020-12-23 09:11:18,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:18,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:18,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272720398] [2020-12-23 09:11:18,288 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:18,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:18,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:18,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:18,290 INFO L87 Difference]: Start difference. First operand 4253 states and 7719 transitions. Second operand 3 states. [2020-12-23 09:11:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:18,693 INFO L93 Difference]: Finished difference Result 11802 states and 21451 transitions. [2020-12-23 09:11:18,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:18,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2020-12-23 09:11:18,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:18,718 INFO L225 Difference]: With dead ends: 11802 [2020-12-23 09:11:18,719 INFO L226 Difference]: Without dead ends: 7718 [2020-12-23 09:11:18,731 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 09:11:18,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7718 states. [2020-12-23 09:11:19,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7718 to 7095. [2020-12-23 09:11:19,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7095 states. [2020-12-23 09:11:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7095 states to 7095 states and 12936 transitions. [2020-12-23 09:11:19,209 INFO L78 Accepts]: Start accepts. Automaton has 7095 states and 12936 transitions. Word has length 115 [2020-12-23 09:11:19,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:19,209 INFO L481 AbstractCegarLoop]: Abstraction has 7095 states and 12936 transitions. [2020-12-23 09:11:19,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 7095 states and 12936 transitions. [2020-12-23 09:11:19,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-12-23 09:11:19,227 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:19,228 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:19,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:11:19,228 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:19,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:19,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1624681164, now seen corresponding path program 1 times [2020-12-23 09:11:19,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:19,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614637400] [2020-12-23 09:11:19,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:19,313 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 09:11:19,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614637400] [2020-12-23 09:11:19,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:19,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:19,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143348498] [2020-12-23 09:11:19,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:19,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:19,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:19,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:19,317 INFO L87 Difference]: Start difference. First operand 7095 states and 12936 transitions. Second operand 3 states. [2020-12-23 09:11:20,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:20,039 INFO L93 Difference]: Finished difference Result 20786 states and 37944 transitions. [2020-12-23 09:11:20,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:20,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2020-12-23 09:11:20,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:20,087 INFO L225 Difference]: With dead ends: 20786 [2020-12-23 09:11:20,087 INFO L226 Difference]: Without dead ends: 13864 [2020-12-23 09:11:20,102 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 09:11:20,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13864 states. [2020-12-23 09:11:20,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13864 to 13241. [2020-12-23 09:11:20,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13241 states. [2020-12-23 09:11:21,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13241 states to 13241 states and 24201 transitions. [2020-12-23 09:11:21,026 INFO L78 Accepts]: Start accepts. Automaton has 13241 states and 24201 transitions. Word has length 116 [2020-12-23 09:11:21,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:21,026 INFO L481 AbstractCegarLoop]: Abstraction has 13241 states and 24201 transitions. [2020-12-23 09:11:21,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 13241 states and 24201 transitions. [2020-12-23 09:11:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-12-23 09:11:21,062 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:21,062 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:21,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:11:21,063 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:21,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:21,063 INFO L82 PathProgramCache]: Analyzing trace with hash 772703067, now seen corresponding path program 1 times [2020-12-23 09:11:21,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:21,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580009225] [2020-12-23 09:11:21,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:21,162 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 09:11:21,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580009225] [2020-12-23 09:11:21,163 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:21,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:21,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306933349] [2020-12-23 09:11:21,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:21,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:21,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:21,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:21,165 INFO L87 Difference]: Start difference. First operand 13241 states and 24201 transitions. Second operand 3 states. [2020-12-23 09:11:22,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:22,425 INFO L93 Difference]: Finished difference Result 38926 states and 71214 transitions. [2020-12-23 09:11:22,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:22,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 117 [2020-12-23 09:11:22,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:22,526 INFO L225 Difference]: With dead ends: 38926 [2020-12-23 09:11:22,526 INFO L226 Difference]: Without dead ends: 25866 [2020-12-23 09:11:22,552 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 09:11:22,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25866 states. [2020-12-23 09:11:24,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25866 to 25243. [2020-12-23 09:11:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25243 states. [2020-12-23 09:11:24,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25243 states to 25243 states and 46186 transitions. [2020-12-23 09:11:24,217 INFO L78 Accepts]: Start accepts. Automaton has 25243 states and 46186 transitions. Word has length 117 [2020-12-23 09:11:24,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:24,217 INFO L481 AbstractCegarLoop]: Abstraction has 25243 states and 46186 transitions. [2020-12-23 09:11:24,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:24,217 INFO L276 IsEmpty]: Start isEmpty. Operand 25243 states and 46186 transitions. [2020-12-23 09:11:24,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:11:24,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:24,270 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:24,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:11:24,271 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:24,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:24,272 INFO L82 PathProgramCache]: Analyzing trace with hash -561568114, now seen corresponding path program 1 times [2020-12-23 09:11:24,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:24,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10561787] [2020-12-23 09:11:24,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:24,361 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 09:11:24,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10561787] [2020-12-23 09:11:24,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:24,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:24,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509438867] [2020-12-23 09:11:24,366 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:24,366 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:24,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:24,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:24,367 INFO L87 Difference]: Start difference. First operand 25243 states and 46186 transitions. Second operand 3 states. [2020-12-23 09:11:26,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:26,587 INFO L93 Difference]: Finished difference Result 69571 states and 126905 transitions. [2020-12-23 09:11:26,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:26,588 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2020-12-23 09:11:26,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:26,775 INFO L225 Difference]: With dead ends: 69571 [2020-12-23 09:11:26,775 INFO L226 Difference]: Without dead ends: 44556 [2020-12-23 09:11:26,831 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 09:11:26,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44556 states. [2020-12-23 09:11:28,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44556 to 43933. [2020-12-23 09:11:28,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43933 states. [2020-12-23 09:11:28,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43933 states to 43933 states and 79915 transitions. [2020-12-23 09:11:28,771 INFO L78 Accepts]: Start accepts. Automaton has 43933 states and 79915 transitions. Word has length 118 [2020-12-23 09:11:28,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:28,771 INFO L481 AbstractCegarLoop]: Abstraction has 43933 states and 79915 transitions. [2020-12-23 09:11:28,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:28,771 INFO L276 IsEmpty]: Start isEmpty. Operand 43933 states and 79915 transitions. [2020-12-23 09:11:28,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:11:28,832 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:28,832 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:28,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:11:28,833 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:11:28,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:28,834 INFO L82 PathProgramCache]: Analyzing trace with hash 693977506, now seen corresponding path program 1 times [2020-12-23 09:11:28,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:28,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233990797] [2020-12-23 09:11:28,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:28,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:11:28,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233990797] [2020-12-23 09:11:28,947 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:28,947 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:11:28,948 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755452218] [2020-12-23 09:11:28,948 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:11:28,948 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:28,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:11:28,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:11:28,949 INFO L87 Difference]: Start difference. First operand 43933 states and 79915 transitions. Second operand 5 states. [2020-12-23 09:11:32,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:32,121 INFO L93 Difference]: Finished difference Result 129416 states and 235394 transitions. [2020-12-23 09:11:32,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:11:32,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-12-23 09:11:32,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:32,356 INFO L225 Difference]: With dead ends: 129416 [2020-12-23 09:11:32,357 INFO L226 Difference]: Without dead ends: 85779 [2020-12-23 09:11:32,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:11:32,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85779 states. [2020-12-23 09:11:35,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85779 to 43933. [2020-12-23 09:11:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43933 states. [2020-12-23 09:11:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43933 states to 43933 states and 79657 transitions. [2020-12-23 09:11:35,215 INFO L78 Accepts]: Start accepts. Automaton has 43933 states and 79657 transitions. Word has length 119 [2020-12-23 09:11:35,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:35,216 INFO L481 AbstractCegarLoop]: Abstraction has 43933 states and 79657 transitions. [2020-12-23 09:11:35,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:11:35,216 INFO L276 IsEmpty]: Start isEmpty. Operand 43933 states and 79657 transitions. [2020-12-23 09:11:35,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:11:35,428 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:35,429 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:11:35,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:11:35,429 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 09:11:35,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:35,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1481581120, now seen corresponding path program 2 times [2020-12-23 09:11:35,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:35,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118967628] [2020-12-23 09:11:35,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:35,508 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 09:11:35,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118967628] [2020-12-23 09:11:35,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:35,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:35,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150071653] [2020-12-23 09:11:35,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:35,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:35,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:35,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:35,511 INFO L87 Difference]: Start difference. First operand 43933 states and 79657 transitions. Second operand 3 states. [2020-12-23 09:11:37,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:37,181 INFO L93 Difference]: Finished difference Result 88187 states and 159859 transitions. [2020-12-23 09:11:37,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:37,181 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-12-23 09:11:37,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:37,280 INFO L225 Difference]: With dead ends: 88187 [2020-12-23 09:11:37,280 INFO L226 Difference]: Without dead ends: 44556 [2020-12-23 09:11:37,323 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 09:11:37,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44556 states. [2020-12-23 09:11:39,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44556 to 43933. [2020-12-23 09:11:39,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43933 states. [2020-12-23 09:11:39,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43933 states to 43933 states and 79529 transitions. [2020-12-23 09:11:39,367 INFO L78 Accepts]: Start accepts. Automaton has 43933 states and 79529 transitions. Word has length 119 [2020-12-23 09:11:39,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:39,367 INFO L481 AbstractCegarLoop]: Abstraction has 43933 states and 79529 transitions. [2020-12-23 09:11:39,367 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:39,367 INFO L276 IsEmpty]: Start isEmpty. Operand 43933 states and 79529 transitions. [2020-12-23 09:11:39,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:11:39,423 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:39,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:11:39,424 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:11:39,424 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 09:11:39,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:39,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1304860499, now seen corresponding path program 1 times [2020-12-23 09:11:39,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:39,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410904751] [2020-12-23 09:11:39,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:39,528 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 09:11:39,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410904751] [2020-12-23 09:11:39,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:39,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:11:39,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964683866] [2020-12-23 09:11:39,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:11:39,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:39,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:11:39,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:11:39,532 INFO L87 Difference]: Start difference. First operand 43933 states and 79529 transitions. Second operand 3 states. [2020-12-23 09:11:42,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:42,257 INFO L93 Difference]: Finished difference Result 123301 states and 223037 transitions. [2020-12-23 09:11:42,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:11:42,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2020-12-23 09:11:42,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:42,598 INFO L225 Difference]: With dead ends: 123301 [2020-12-23 09:11:42,598 INFO L226 Difference]: Without dead ends: 79630 [2020-12-23 09:11:42,681 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 09:11:42,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79630 states. [2020-12-23 09:11:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79630 to 79007. [2020-12-23 09:11:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79007 states. [2020-12-23 09:11:46,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79007 states to 79007 states and 142634 transitions. [2020-12-23 09:11:46,323 INFO L78 Accepts]: Start accepts. Automaton has 79007 states and 142634 transitions. Word has length 119 [2020-12-23 09:11:46,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:11:46,324 INFO L481 AbstractCegarLoop]: Abstraction has 79007 states and 142634 transitions. [2020-12-23 09:11:46,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:11:46,324 INFO L276 IsEmpty]: Start isEmpty. Operand 79007 states and 142634 transitions. [2020-12-23 09:11:46,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2020-12-23 09:11:46,376 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:11:46,376 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:11:46,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:11:46,377 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 09:11:46,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:11:46,377 INFO L82 PathProgramCache]: Analyzing trace with hash -754966778, now seen corresponding path program 1 times [2020-12-23 09:11:46,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:11:46,378 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903604422] [2020-12-23 09:11:46,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:11:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:11:46,620 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 09:11:46,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903604422] [2020-12-23 09:11:46,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:11:46,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:11:46,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214917545] [2020-12-23 09:11:46,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:11:46,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:11:46,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:11:46,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:11:46,623 INFO L87 Difference]: Start difference. First operand 79007 states and 142634 transitions. Second operand 9 states. [2020-12-23 09:11:53,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:11:53,851 INFO L93 Difference]: Finished difference Result 160658 states and 289720 transitions. [2020-12-23 09:11:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:11:53,853 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 120 [2020-12-23 09:11:53,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:11:54,330 INFO L225 Difference]: With dead ends: 160658 [2020-12-23 09:11:54,330 INFO L226 Difference]: Without dead ends: 160103 [2020-12-23 09:11:54,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 09:11:54,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160103 states. [2020-12-23 09:12:00,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160103 to 157743. [2020-12-23 09:12:00,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157743 states. [2020-12-23 09:12:01,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157743 states to 157743 states and 284812 transitions. [2020-12-23 09:12:01,138 INFO L78 Accepts]: Start accepts. Automaton has 157743 states and 284812 transitions. Word has length 120 [2020-12-23 09:12:01,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:01,138 INFO L481 AbstractCegarLoop]: Abstraction has 157743 states and 284812 transitions. [2020-12-23 09:12:01,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:12:01,138 INFO L276 IsEmpty]: Start isEmpty. Operand 157743 states and 284812 transitions. [2020-12-23 09:12:01,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-12-23 09:12:01,233 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:01,234 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:01,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:12:01,234 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 09:12:01,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:01,234 INFO L82 PathProgramCache]: Analyzing trace with hash 961361797, now seen corresponding path program 1 times [2020-12-23 09:12:01,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:01,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533155599] [2020-12-23 09:12:01,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:01,319 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 09:12:01,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533155599] [2020-12-23 09:12:01,320 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:01,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:12:01,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686577854] [2020-12-23 09:12:01,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:12:01,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:01,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:12:01,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:12:01,322 INFO L87 Difference]: Start difference. First operand 157743 states and 284812 transitions. Second operand 4 states. [2020-12-23 09:12:06,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:06,700 INFO L93 Difference]: Finished difference Result 158865 states and 286715 transitions. [2020-12-23 09:12:06,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:12:06,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2020-12-23 09:12:06,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:07,051 INFO L225 Difference]: With dead ends: 158865 [2020-12-23 09:12:07,051 INFO L226 Difference]: Without dead ends: 158247 [2020-12-23 09:12:07,099 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 09:12:07,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158247 states. [2020-12-23 09:12:13,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158247 to 157742. [2020-12-23 09:12:13,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157742 states. [2020-12-23 09:12:14,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157742 states to 157742 states and 284808 transitions. [2020-12-23 09:12:14,539 INFO L78 Accepts]: Start accepts. Automaton has 157742 states and 284808 transitions. Word has length 121 [2020-12-23 09:12:14,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:14,539 INFO L481 AbstractCegarLoop]: Abstraction has 157742 states and 284808 transitions. [2020-12-23 09:12:14,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:12:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 157742 states and 284808 transitions. [2020-12-23 09:12:14,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:12:14,684 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:14,684 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:14,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:12:14,685 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 09:12:14,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:14,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1101950165, now seen corresponding path program 1 times [2020-12-23 09:12:14,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:14,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145711330] [2020-12-23 09:12:14,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:14,791 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 09:12:14,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145711330] [2020-12-23 09:12:14,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:14,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:12:14,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841661386] [2020-12-23 09:12:14,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:12:14,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:14,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:12:14,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:12:14,794 INFO L87 Difference]: Start difference. First operand 157742 states and 284808 transitions. Second operand 5 states. [2020-12-23 09:12:24,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:24,473 INFO L93 Difference]: Finished difference Result 316717 states and 571690 transitions. [2020-12-23 09:12:24,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:12:24,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-12-23 09:12:24,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:25,437 INFO L225 Difference]: With dead ends: 316717 [2020-12-23 09:12:25,437 INFO L226 Difference]: Without dead ends: 315786 [2020-12-23 09:12:25,527 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 09:12:25,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315786 states. [2020-12-23 09:12:38,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315786 to 314763. [2020-12-23 09:12:38,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314763 states. [2020-12-23 09:12:39,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314763 states to 314763 states and 568384 transitions. [2020-12-23 09:12:39,711 INFO L78 Accepts]: Start accepts. Automaton has 314763 states and 568384 transitions. Word has length 122 [2020-12-23 09:12:39,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:12:39,711 INFO L481 AbstractCegarLoop]: Abstraction has 314763 states and 568384 transitions. [2020-12-23 09:12:39,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:12:39,711 INFO L276 IsEmpty]: Start isEmpty. Operand 314763 states and 568384 transitions. [2020-12-23 09:12:39,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:12:39,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:12:39,902 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:12:39,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:12:39,902 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 09:12:39,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:12:39,903 INFO L82 PathProgramCache]: Analyzing trace with hash -62031580, now seen corresponding path program 1 times [2020-12-23 09:12:39,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:12:39,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055280824] [2020-12-23 09:12:39,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:12:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:12:40,035 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 09:12:40,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055280824] [2020-12-23 09:12:40,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:12:40,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:12:40,036 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721247556] [2020-12-23 09:12:40,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:12:40,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:12:40,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:12:40,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:12:40,038 INFO L87 Difference]: Start difference. First operand 314763 states and 568384 transitions. Second operand 8 states. [2020-12-23 09:12:52,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:12:52,902 INFO L93 Difference]: Finished difference Result 317227 states and 572524 transitions. [2020-12-23 09:12:52,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:12:52,903 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 122 [2020-12-23 09:12:52,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:12:53,676 INFO L225 Difference]: With dead ends: 317227 [2020-12-23 09:12:53,676 INFO L226 Difference]: Without dead ends: 315456 [2020-12-23 09:12:53,764 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 09:12:54,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315456 states. [2020-12-23 09:13:06,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315456 to 314691. [2020-12-23 09:13:06,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314691 states. [2020-12-23 09:13:07,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314691 states to 314691 states and 568222 transitions. [2020-12-23 09:13:07,912 INFO L78 Accepts]: Start accepts. Automaton has 314691 states and 568222 transitions. Word has length 122 [2020-12-23 09:13:07,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:13:07,912 INFO L481 AbstractCegarLoop]: Abstraction has 314691 states and 568222 transitions. [2020-12-23 09:13:07,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:13:07,912 INFO L276 IsEmpty]: Start isEmpty. Operand 314691 states and 568222 transitions. [2020-12-23 09:13:08,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:13:08,084 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:13:08,084 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:13:08,084 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:13:08,084 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 09:13:08,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:13:08,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1929165316, now seen corresponding path program 1 times [2020-12-23 09:13:08,085 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:13:08,085 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914193749] [2020-12-23 09:13:08,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:13:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:13:08,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:13:08,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914193749] [2020-12-23 09:13:08,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:13:08,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:13:08,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387802709] [2020-12-23 09:13:08,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:13:08,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:13:08,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:13:08,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:13:08,238 INFO L87 Difference]: Start difference. First operand 314691 states and 568222 transitions. Second operand 9 states. [2020-12-23 09:13:31,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:13:31,490 INFO L93 Difference]: Finished difference Result 638691 states and 1151909 transitions. [2020-12-23 09:13:31,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 09:13:31,490 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 122 [2020-12-23 09:13:31,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:13:33,631 INFO L225 Difference]: With dead ends: 638691 [2020-12-23 09:13:33,632 INFO L226 Difference]: Without dead ends: 636992 [2020-12-23 09:13:33,851 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2020-12-23 09:13:34,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636992 states. [2020-12-23 09:14:07,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636992 to 629009. [2020-12-23 09:14:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 629009 states. [2020-12-23 09:14:10,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 629009 states to 629009 states and 1135794 transitions. [2020-12-23 09:14:10,420 INFO L78 Accepts]: Start accepts. Automaton has 629009 states and 1135794 transitions. Word has length 122 [2020-12-23 09:14:10,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:14:10,420 INFO L481 AbstractCegarLoop]: Abstraction has 629009 states and 1135794 transitions. [2020-12-23 09:14:10,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:14:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 629009 states and 1135794 transitions. [2020-12-23 09:14:10,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-12-23 09:14:10,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:14:10,817 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:14:10,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:14:10,817 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:14:10,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:14:10,818 INFO L82 PathProgramCache]: Analyzing trace with hash -1495436230, now seen corresponding path program 1 times [2020-12-23 09:14:10,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:14:10,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946591896] [2020-12-23 09:14:10,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:14:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:14:10,971 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:14:10,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946591896] [2020-12-23 09:14:10,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:14:10,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:14:10,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574286487] [2020-12-23 09:14:10,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:14:10,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:14:10,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:14:10,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:14:10,974 INFO L87 Difference]: Start difference. First operand 629009 states and 1135794 transitions. Second operand 10 states. [2020-12-23 09:14:11,763 WARN L197 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 20