/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:40:05,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:40:05,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:40:05,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:40:05,426 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:40:05,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:40:05,433 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:40:05,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:40:05,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:40:05,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:40:05,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:40:05,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:40:05,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:40:05,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:40:05,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:40:05,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:40:05,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:40:05,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:40:05,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:40:05,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:40:05,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:40:05,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:40:05,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:40:05,492 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:40:05,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:40:05,501 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:40:05,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:40:05,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:40:05,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:40:05,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:40:05,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:40:05,507 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:40:05,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:40:05,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:40:05,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:40:05,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:40:05,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:40:05,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:40:05,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:40:05,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:40:05,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:40:05,524 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:40:05,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:40:05,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:40:05,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:40:05,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:40:05,573 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:40:05,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:40:05,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:40:05,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:40:05,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:40:05,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:40:05,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:40:05,575 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:40:05,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:40:05,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:40:05,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:40:05,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:40:05,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:40:05,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:40:05,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:40:05,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:40:05,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:40:05,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:40:05,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:40:05,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:40:05,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:40:05,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:40:05,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:40:06,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:40:06,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:40:06,010 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:40:06,011 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:40:06,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2021-01-06 18:40:06,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f8ab803c6/ec1ca0c504b74d2389fe1f114aeaef48/FLAG53776b521 [2021-01-06 18:40:06,904 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:40:06,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c [2021-01-06 18:40:06,934 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f8ab803c6/ec1ca0c504b74d2389fe1f114aeaef48/FLAG53776b521 [2021-01-06 18:40:07,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f8ab803c6/ec1ca0c504b74d2389fe1f114aeaef48 [2021-01-06 18:40:07,138 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:40:07,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:40:07,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:40:07,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:40:07,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:40:07,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:40:07" (1/1) ... [2021-01-06 18:40:07,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbeac3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:07, skipping insertion in model container [2021-01-06 18:40:07,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:40:07" (1/1) ... [2021-01-06 18:40:07,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:40:07,221 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:40:07,948 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c[64439,64452] [2021-01-06 18:40:07,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:40:07,965 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~25,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:40:08,091 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product33.cil.c[64439,64452] [2021-01-06 18:40:08,092 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:40:08,195 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:40:08,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08 WrapperNode [2021-01-06 18:40:08,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:40:08,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:40:08,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:40:08,198 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:40:08,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... [2021-01-06 18:40:08,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... [2021-01-06 18:40:08,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:40:08,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:40:08,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:40:08,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:40:08,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... [2021-01-06 18:40:08,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... [2021-01-06 18:40:08,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... [2021-01-06 18:40:08,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... [2021-01-06 18:40:08,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... [2021-01-06 18:40:08,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... [2021-01-06 18:40:08,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... [2021-01-06 18:40:08,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:40:08,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:40:08,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:40:08,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:40:08,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:40:08,726 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:40:08,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:40:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:40:08,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:40:08,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:40:11,753 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:40:11,754 INFO L299 CfgBuilder]: Removed 407 assume(true) statements. [2021-01-06 18:40:11,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:40:11 BoogieIcfgContainer [2021-01-06 18:40:11,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:40:11,759 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:40:11,759 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:40:11,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:40:11,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:40:07" (1/3) ... [2021-01-06 18:40:11,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc68332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:40:11, skipping insertion in model container [2021-01-06 18:40:11,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:40:08" (2/3) ... [2021-01-06 18:40:11,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fc68332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:40:11, skipping insertion in model container [2021-01-06 18:40:11,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:40:11" (3/3) ... [2021-01-06 18:40:11,767 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product33.cil.c [2021-01-06 18:40:11,775 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:40:11,780 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:40:11,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:40:11,835 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:40:11,836 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:40:11,836 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:40:11,836 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:40:11,836 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:40:11,836 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:40:11,837 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:40:11,837 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:40:11,868 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states. [2021-01-06 18:40:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:40:11,887 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:11,888 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] [2021-01-06 18:40:11,888 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:11,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:11,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2079250929, now seen corresponding path program 1 times [2021-01-06 18:40:11,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:11,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669673001] [2021-01-06 18:40:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:12,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:12,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669673001] [2021-01-06 18:40:12,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:12,436 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:12,437 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096190169] [2021-01-06 18:40:12,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:12,443 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:12,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:12,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:12,469 INFO L87 Difference]: Start difference. First operand 591 states. Second operand 3 states. [2021-01-06 18:40:12,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:12,699 INFO L93 Difference]: Finished difference Result 1738 states and 2993 transitions. [2021-01-06 18:40:12,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:12,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2021-01-06 18:40:12,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:12,759 INFO L225 Difference]: With dead ends: 1738 [2021-01-06 18:40:12,759 INFO L226 Difference]: Without dead ends: 1054 [2021-01-06 18:40:12,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:12,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2021-01-06 18:40:12,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 536. [2021-01-06 18:40:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:40:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 923 transitions. [2021-01-06 18:40:12,882 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 923 transitions. Word has length 62 [2021-01-06 18:40:12,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:12,883 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 923 transitions. [2021-01-06 18:40:12,883 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 923 transitions. [2021-01-06 18:40:12,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:40:12,888 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:12,888 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] [2021-01-06 18:40:12,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:40:12,889 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:12,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:12,890 INFO L82 PathProgramCache]: Analyzing trace with hash -1225440124, now seen corresponding path program 1 times [2021-01-06 18:40:12,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:12,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640530751] [2021-01-06 18:40:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:13,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:13,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640530751] [2021-01-06 18:40:13,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:13,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:13,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608012451] [2021-01-06 18:40:13,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:13,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:13,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:13,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:13,088 INFO L87 Difference]: Start difference. First operand 536 states and 923 transitions. Second operand 5 states. [2021-01-06 18:40:13,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:13,373 INFO L93 Difference]: Finished difference Result 1557 states and 2685 transitions. [2021-01-06 18:40:13,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:40:13,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2021-01-06 18:40:13,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:13,381 INFO L225 Difference]: With dead ends: 1557 [2021-01-06 18:40:13,381 INFO L226 Difference]: Without dead ends: 1040 [2021-01-06 18:40:13,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:40:13,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2021-01-06 18:40:13,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 536. [2021-01-06 18:40:13,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:40:13,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 922 transitions. [2021-01-06 18:40:13,422 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 922 transitions. Word has length 64 [2021-01-06 18:40:13,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:13,423 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 922 transitions. [2021-01-06 18:40:13,423 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 922 transitions. [2021-01-06 18:40:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:40:13,428 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:13,429 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] [2021-01-06 18:40:13,429 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:40:13,429 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:13,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:13,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1757362129, now seen corresponding path program 1 times [2021-01-06 18:40:13,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:13,431 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353289287] [2021-01-06 18:40:13,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:13,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353289287] [2021-01-06 18:40:13,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:13,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:13,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352712935] [2021-01-06 18:40:13,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:13,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:13,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:13,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:13,608 INFO L87 Difference]: Start difference. First operand 536 states and 922 transitions. Second operand 3 states. [2021-01-06 18:40:13,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:13,664 INFO L93 Difference]: Finished difference Result 1054 states and 1818 transitions. [2021-01-06 18:40:13,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:13,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 18:40:13,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:13,669 INFO L225 Difference]: With dead ends: 1054 [2021-01-06 18:40:13,669 INFO L226 Difference]: Without dead ends: 541 [2021-01-06 18:40:13,670 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:13,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2021-01-06 18:40:13,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 536. [2021-01-06 18:40:13,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:40:13,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 921 transitions. [2021-01-06 18:40:13,704 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 921 transitions. Word has length 65 [2021-01-06 18:40:13,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:13,712 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 921 transitions. [2021-01-06 18:40:13,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 921 transitions. [2021-01-06 18:40:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:40:13,716 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:13,717 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] [2021-01-06 18:40:13,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:40:13,717 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:13,720 INFO L82 PathProgramCache]: Analyzing trace with hash -669728617, now seen corresponding path program 1 times [2021-01-06 18:40:13,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:13,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182829284] [2021-01-06 18:40:13,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:13,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182829284] [2021-01-06 18:40:13,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:13,858 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:13,858 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961608186] [2021-01-06 18:40:13,860 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:13,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:13,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:13,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:13,863 INFO L87 Difference]: Start difference. First operand 536 states and 921 transitions. Second operand 3 states. [2021-01-06 18:40:13,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:13,926 INFO L93 Difference]: Finished difference Result 1064 states and 1831 transitions. [2021-01-06 18:40:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:13,926 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:40:13,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:13,930 INFO L225 Difference]: With dead ends: 1064 [2021-01-06 18:40:13,930 INFO L226 Difference]: Without dead ends: 536 [2021-01-06 18:40:13,932 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:13,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-01-06 18:40:13,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2021-01-06 18:40:13,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:40:13,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 919 transitions. [2021-01-06 18:40:13,959 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 919 transitions. Word has length 66 [2021-01-06 18:40:13,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:13,961 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 919 transitions. [2021-01-06 18:40:13,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 919 transitions. [2021-01-06 18:40:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:40:13,963 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:13,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:40:13,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:40:13,964 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:13,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:13,965 INFO L82 PathProgramCache]: Analyzing trace with hash 197168940, now seen corresponding path program 1 times [2021-01-06 18:40:13,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:13,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942130068] [2021-01-06 18:40:13,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:14,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:14,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942130068] [2021-01-06 18:40:14,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:14,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:14,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548763300] [2021-01-06 18:40:14,120 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:14,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:14,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:14,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:14,123 INFO L87 Difference]: Start difference. First operand 536 states and 919 transitions. Second operand 5 states. [2021-01-06 18:40:14,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:14,357 INFO L93 Difference]: Finished difference Result 1547 states and 2665 transitions. [2021-01-06 18:40:14,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:40:14,358 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2021-01-06 18:40:14,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:14,365 INFO L225 Difference]: With dead ends: 1547 [2021-01-06 18:40:14,365 INFO L226 Difference]: Without dead ends: 1038 [2021-01-06 18:40:14,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:40:14,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2021-01-06 18:40:14,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 536. [2021-01-06 18:40:14,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:40:14,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 918 transitions. [2021-01-06 18:40:14,414 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 918 transitions. Word has length 67 [2021-01-06 18:40:14,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:14,414 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 918 transitions. [2021-01-06 18:40:14,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:14,415 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 918 transitions. [2021-01-06 18:40:14,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:40:14,417 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:14,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:40:14,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:40:14,418 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:14,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:14,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1894291505, now seen corresponding path program 1 times [2021-01-06 18:40:14,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:14,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497150650] [2021-01-06 18:40:14,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:14,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:14,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497150650] [2021-01-06 18:40:14,570 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:14,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:14,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496389704] [2021-01-06 18:40:14,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:14,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:14,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:14,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:14,574 INFO L87 Difference]: Start difference. First operand 536 states and 918 transitions. Second operand 5 states. [2021-01-06 18:40:14,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:14,797 INFO L93 Difference]: Finished difference Result 1552 states and 2670 transitions. [2021-01-06 18:40:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:40:14,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-06 18:40:14,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:14,804 INFO L225 Difference]: With dead ends: 1552 [2021-01-06 18:40:14,805 INFO L226 Difference]: Without dead ends: 1043 [2021-01-06 18:40:14,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:40:14,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-01-06 18:40:14,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 536. [2021-01-06 18:40:14,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:40:14,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 917 transitions. [2021-01-06 18:40:14,846 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 917 transitions. Word has length 68 [2021-01-06 18:40:14,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:14,847 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 917 transitions. [2021-01-06 18:40:14,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 917 transitions. [2021-01-06 18:40:14,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:40:14,848 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:14,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:40:14,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:40:14,850 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:14,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:14,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1752118041, now seen corresponding path program 1 times [2021-01-06 18:40:14,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:14,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980958769] [2021-01-06 18:40:14,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:14,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980958769] [2021-01-06 18:40:14,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:14,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:14,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649605254] [2021-01-06 18:40:14,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:14,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:14,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:14,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:14,962 INFO L87 Difference]: Start difference. First operand 536 states and 917 transitions. Second operand 3 states. [2021-01-06 18:40:15,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:15,005 INFO L93 Difference]: Finished difference Result 830 states and 1403 transitions. [2021-01-06 18:40:15,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:15,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:40:15,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:15,009 INFO L225 Difference]: With dead ends: 830 [2021-01-06 18:40:15,009 INFO L226 Difference]: Without dead ends: 539 [2021-01-06 18:40:15,011 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 [2021-01-06 18:40:15,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2021-01-06 18:40:15,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 538. [2021-01-06 18:40:15,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2021-01-06 18:40:15,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 919 transitions. [2021-01-06 18:40:15,046 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 919 transitions. Word has length 69 [2021-01-06 18:40:15,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:15,048 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 919 transitions. [2021-01-06 18:40:15,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:15,048 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 919 transitions. [2021-01-06 18:40:15,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:40:15,053 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:15,054 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] [2021-01-06 18:40:15,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:40:15,054 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:15,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:15,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1476270251, now seen corresponding path program 1 times [2021-01-06 18:40:15,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:15,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307401388] [2021-01-06 18:40:15,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:15,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:15,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307401388] [2021-01-06 18:40:15,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:15,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:15,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351984858] [2021-01-06 18:40:15,188 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:15,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:15,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:15,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:15,189 INFO L87 Difference]: Start difference. First operand 538 states and 919 transitions. Second operand 3 states. [2021-01-06 18:40:15,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:15,263 INFO L93 Difference]: Finished difference Result 1500 states and 2581 transitions. [2021-01-06 18:40:15,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:15,264 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:40:15,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:15,269 INFO L225 Difference]: With dead ends: 1500 [2021-01-06 18:40:15,270 INFO L226 Difference]: Without dead ends: 993 [2021-01-06 18:40:15,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:15,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-01-06 18:40:15,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 702. [2021-01-06 18:40:15,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2021-01-06 18:40:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1219 transitions. [2021-01-06 18:40:15,327 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1219 transitions. Word has length 77 [2021-01-06 18:40:15,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:15,327 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 1219 transitions. [2021-01-06 18:40:15,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1219 transitions. [2021-01-06 18:40:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:40:15,330 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:15,330 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] [2021-01-06 18:40:15,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:40:15,333 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:15,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:15,334 INFO L82 PathProgramCache]: Analyzing trace with hash -740536076, now seen corresponding path program 1 times [2021-01-06 18:40:15,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:15,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476878061] [2021-01-06 18:40:15,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:15,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:15,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476878061] [2021-01-06 18:40:15,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:15,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:15,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97858159] [2021-01-06 18:40:15,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:15,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:15,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:15,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:15,464 INFO L87 Difference]: Start difference. First operand 702 states and 1219 transitions. Second operand 5 states. [2021-01-06 18:40:15,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:15,793 INFO L93 Difference]: Finished difference Result 2036 states and 3563 transitions. [2021-01-06 18:40:15,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:40:15,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2021-01-06 18:40:15,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:15,802 INFO L225 Difference]: With dead ends: 2036 [2021-01-06 18:40:15,802 INFO L226 Difference]: Without dead ends: 1365 [2021-01-06 18:40:15,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:40:15,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2021-01-06 18:40:15,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 702. [2021-01-06 18:40:15,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2021-01-06 18:40:15,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1217 transitions. [2021-01-06 18:40:15,886 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1217 transitions. Word has length 78 [2021-01-06 18:40:15,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:15,886 INFO L481 AbstractCegarLoop]: Abstraction has 702 states and 1217 transitions. [2021-01-06 18:40:15,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:15,887 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1217 transitions. [2021-01-06 18:40:15,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:40:15,889 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:15,889 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] [2021-01-06 18:40:15,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:40:15,890 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:15,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:15,890 INFO L82 PathProgramCache]: Analyzing trace with hash 1259603595, now seen corresponding path program 1 times [2021-01-06 18:40:15,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:15,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717260109] [2021-01-06 18:40:15,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:15,980 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:15,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717260109] [2021-01-06 18:40:15,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:15,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:15,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372919477] [2021-01-06 18:40:15,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:15,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:15,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:15,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:15,983 INFO L87 Difference]: Start difference. First operand 702 states and 1217 transitions. Second operand 3 states. [2021-01-06 18:40:16,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:16,108 INFO L93 Difference]: Finished difference Result 2034 states and 3555 transitions. [2021-01-06 18:40:16,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:16,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 18:40:16,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:16,117 INFO L225 Difference]: With dead ends: 2034 [2021-01-06 18:40:16,117 INFO L226 Difference]: Without dead ends: 1363 [2021-01-06 18:40:16,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:16,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1363 states. [2021-01-06 18:40:16,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1363 to 1072. [2021-01-06 18:40:16,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1072 states. [2021-01-06 18:40:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1072 states to 1072 states and 1894 transitions. [2021-01-06 18:40:16,199 INFO L78 Accepts]: Start accepts. Automaton has 1072 states and 1894 transitions. Word has length 79 [2021-01-06 18:40:16,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:16,199 INFO L481 AbstractCegarLoop]: Abstraction has 1072 states and 1894 transitions. [2021-01-06 18:40:16,199 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:16,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1894 transitions. [2021-01-06 18:40:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:40:16,202 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:16,202 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] [2021-01-06 18:40:16,202 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:40:16,203 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:16,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:16,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1733546071, now seen corresponding path program 1 times [2021-01-06 18:40:16,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:16,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427892623] [2021-01-06 18:40:16,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:16,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:16,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427892623] [2021-01-06 18:40:16,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607457380] [2021-01-06 18:40:16,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:40:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:16,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 1047 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:40:16,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:40:16,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:16,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:40:16,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:40:16,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072941633] [2021-01-06 18:40:16,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:16,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:16,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:16,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:16,942 INFO L87 Difference]: Start difference. First operand 1072 states and 1894 transitions. Second operand 5 states. [2021-01-06 18:40:17,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:17,117 INFO L93 Difference]: Finished difference Result 1877 states and 3261 transitions. [2021-01-06 18:40:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:40:17,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 79 [2021-01-06 18:40:17,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:17,127 INFO L225 Difference]: With dead ends: 1877 [2021-01-06 18:40:17,127 INFO L226 Difference]: Without dead ends: 1586 [2021-01-06 18:40:17,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:17,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2021-01-06 18:40:17,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1292. [2021-01-06 18:40:17,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1292 states. [2021-01-06 18:40:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1292 states and 2291 transitions. [2021-01-06 18:40:17,232 INFO L78 Accepts]: Start accepts. Automaton has 1292 states and 2291 transitions. Word has length 79 [2021-01-06 18:40:17,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:17,232 INFO L481 AbstractCegarLoop]: Abstraction has 1292 states and 2291 transitions. [2021-01-06 18:40:17,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 2291 transitions. [2021-01-06 18:40:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:40:17,236 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:17,236 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] [2021-01-06 18:40:17,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:40:17,451 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:17,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:17,451 INFO L82 PathProgramCache]: Analyzing trace with hash 73155654, now seen corresponding path program 1 times [2021-01-06 18:40:17,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:17,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657434449] [2021-01-06 18:40:17,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:17,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:17,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657434449] [2021-01-06 18:40:17,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:17,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:17,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091221636] [2021-01-06 18:40:17,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:17,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:17,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:17,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:17,534 INFO L87 Difference]: Start difference. First operand 1292 states and 2291 transitions. Second operand 3 states. [2021-01-06 18:40:17,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:17,698 INFO L93 Difference]: Finished difference Result 3506 states and 6240 transitions. [2021-01-06 18:40:17,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:17,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2021-01-06 18:40:17,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:17,713 INFO L225 Difference]: With dead ends: 3506 [2021-01-06 18:40:17,713 INFO L226 Difference]: Without dead ends: 2315 [2021-01-06 18:40:17,716 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:17,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2315 states. [2021-01-06 18:40:17,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2315 to 2024. [2021-01-06 18:40:17,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2024 states. [2021-01-06 18:40:17,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 3624 transitions. [2021-01-06 18:40:17,914 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 3624 transitions. Word has length 83 [2021-01-06 18:40:17,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:17,915 INFO L481 AbstractCegarLoop]: Abstraction has 2024 states and 3624 transitions. [2021-01-06 18:40:17,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 3624 transitions. [2021-01-06 18:40:17,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:40:17,923 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:17,923 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] [2021-01-06 18:40:17,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:40:17,923 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:17,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:17,924 INFO L82 PathProgramCache]: Analyzing trace with hash -1047117370, now seen corresponding path program 1 times [2021-01-06 18:40:17,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:17,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064058550] [2021-01-06 18:40:17,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:18,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:18,019 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064058550] [2021-01-06 18:40:18,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:18,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:18,025 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658335452] [2021-01-06 18:40:18,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:18,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:18,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:18,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:18,027 INFO L87 Difference]: Start difference. First operand 2024 states and 3624 transitions. Second operand 3 states. [2021-01-06 18:40:18,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:18,280 INFO L93 Difference]: Finished difference Result 5438 states and 9758 transitions. [2021-01-06 18:40:18,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:18,281 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 18:40:18,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:18,303 INFO L225 Difference]: With dead ends: 5438 [2021-01-06 18:40:18,303 INFO L226 Difference]: Without dead ends: 3549 [2021-01-06 18:40:18,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:18,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3549 states. [2021-01-06 18:40:18,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3549 to 3258. [2021-01-06 18:40:18,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3258 states. [2021-01-06 18:40:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 3258 states and 5865 transitions. [2021-01-06 18:40:18,531 INFO L78 Accepts]: Start accepts. Automaton has 3258 states and 5865 transitions. Word has length 84 [2021-01-06 18:40:18,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:18,531 INFO L481 AbstractCegarLoop]: Abstraction has 3258 states and 5865 transitions. [2021-01-06 18:40:18,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:18,532 INFO L276 IsEmpty]: Start isEmpty. Operand 3258 states and 5865 transitions. [2021-01-06 18:40:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:40:18,541 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:18,541 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] [2021-01-06 18:40:18,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:40:18,542 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:18,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:18,542 INFO L82 PathProgramCache]: Analyzing trace with hash 118983735, now seen corresponding path program 1 times [2021-01-06 18:40:18,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:18,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850544556] [2021-01-06 18:40:18,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:18,627 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850544556] [2021-01-06 18:40:18,628 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:18,628 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:18,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92651084] [2021-01-06 18:40:18,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:18,629 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:18,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:18,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:18,630 INFO L87 Difference]: Start difference. First operand 3258 states and 5865 transitions. Second operand 3 states. [2021-01-06 18:40:18,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:18,979 INFO L93 Difference]: Finished difference Result 8856 states and 15964 transitions. [2021-01-06 18:40:18,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:18,980 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-06 18:40:18,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:19,034 INFO L225 Difference]: With dead ends: 8856 [2021-01-06 18:40:19,035 INFO L226 Difference]: Without dead ends: 5767 [2021-01-06 18:40:19,041 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:19,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5767 states. [2021-01-06 18:40:19,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5767 to 5476. [2021-01-06 18:40:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5476 states. [2021-01-06 18:40:19,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5476 states to 5476 states and 9882 transitions. [2021-01-06 18:40:19,455 INFO L78 Accepts]: Start accepts. Automaton has 5476 states and 9882 transitions. Word has length 85 [2021-01-06 18:40:19,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:19,456 INFO L481 AbstractCegarLoop]: Abstraction has 5476 states and 9882 transitions. [2021-01-06 18:40:19,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:19,456 INFO L276 IsEmpty]: Start isEmpty. Operand 5476 states and 9882 transitions. [2021-01-06 18:40:19,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:40:19,466 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:19,466 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] [2021-01-06 18:40:19,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:40:19,467 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:19,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:19,467 INFO L82 PathProgramCache]: Analyzing trace with hash -603672425, now seen corresponding path program 1 times [2021-01-06 18:40:19,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:19,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110562122] [2021-01-06 18:40:19,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:19,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:19,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110562122] [2021-01-06 18:40:19,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:19,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:19,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83109278] [2021-01-06 18:40:19,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:19,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:19,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:19,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:19,554 INFO L87 Difference]: Start difference. First operand 5476 states and 9882 transitions. Second operand 3 states. [2021-01-06 18:40:20,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:20,119 INFO L93 Difference]: Finished difference Result 15836 states and 28626 transitions. [2021-01-06 18:40:20,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:20,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2021-01-06 18:40:20,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:20,148 INFO L225 Difference]: With dead ends: 15836 [2021-01-06 18:40:20,149 INFO L226 Difference]: Without dead ends: 10537 [2021-01-06 18:40:20,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:20,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10537 states. [2021-01-06 18:40:20,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10537 to 10246. [2021-01-06 18:40:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10246 states. [2021-01-06 18:40:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10246 states to 10246 states and 18523 transitions. [2021-01-06 18:40:20,938 INFO L78 Accepts]: Start accepts. Automaton has 10246 states and 18523 transitions. Word has length 86 [2021-01-06 18:40:20,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:20,938 INFO L481 AbstractCegarLoop]: Abstraction has 10246 states and 18523 transitions. [2021-01-06 18:40:20,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 10246 states and 18523 transitions. [2021-01-06 18:40:20,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:40:20,954 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:20,955 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] [2021-01-06 18:40:20,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:40:20,955 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:20,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:20,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1612210842, now seen corresponding path program 1 times [2021-01-06 18:40:20,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:20,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978959886] [2021-01-06 18:40:20,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:21,056 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978959886] [2021-01-06 18:40:21,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:21,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:21,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15471213] [2021-01-06 18:40:21,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:21,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:21,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:21,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:21,059 INFO L87 Difference]: Start difference. First operand 10246 states and 18523 transitions. Second operand 3 states. [2021-01-06 18:40:22,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:22,185 INFO L93 Difference]: Finished difference Result 29976 states and 54248 transitions. [2021-01-06 18:40:22,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:22,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2021-01-06 18:40:22,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:22,246 INFO L225 Difference]: With dead ends: 29976 [2021-01-06 18:40:22,246 INFO L226 Difference]: Without dead ends: 19915 [2021-01-06 18:40:22,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:22,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19915 states. [2021-01-06 18:40:23,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19915 to 19624. [2021-01-06 18:40:23,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19624 states. [2021-01-06 18:40:23,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19624 states to 19624 states and 35484 transitions. [2021-01-06 18:40:23,699 INFO L78 Accepts]: Start accepts. Automaton has 19624 states and 35484 transitions. Word has length 87 [2021-01-06 18:40:23,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:23,700 INFO L481 AbstractCegarLoop]: Abstraction has 19624 states and 35484 transitions. [2021-01-06 18:40:23,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 19624 states and 35484 transitions. [2021-01-06 18:40:23,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:40:23,721 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:23,721 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:40:23,721 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:40:23,721 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:23,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:23,722 INFO L82 PathProgramCache]: Analyzing trace with hash 615129126, now seen corresponding path program 1 times [2021-01-06 18:40:23,722 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:23,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720035404] [2021-01-06 18:40:23,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:23,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:23,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720035404] [2021-01-06 18:40:23,815 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:23,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:23,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441378255] [2021-01-06 18:40:23,816 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:23,816 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:23,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:23,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:23,817 INFO L87 Difference]: Start difference. First operand 19624 states and 35484 transitions. Second operand 3 states. [2021-01-06 18:40:25,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:25,730 INFO L93 Difference]: Finished difference Result 58296 states and 105445 transitions. [2021-01-06 18:40:25,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:25,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2021-01-06 18:40:25,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:25,850 INFO L225 Difference]: With dead ends: 58296 [2021-01-06 18:40:25,850 INFO L226 Difference]: Without dead ends: 38861 [2021-01-06 18:40:25,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:25,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38861 states. [2021-01-06 18:40:27,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38861 to 38570. [2021-01-06 18:40:27,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38570 states. [2021-01-06 18:40:28,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38570 states to 38570 states and 69661 transitions. [2021-01-06 18:40:28,132 INFO L78 Accepts]: Start accepts. Automaton has 38570 states and 69661 transitions. Word has length 88 [2021-01-06 18:40:28,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:28,132 INFO L481 AbstractCegarLoop]: Abstraction has 38570 states and 69661 transitions. [2021-01-06 18:40:28,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:28,133 INFO L276 IsEmpty]: Start isEmpty. Operand 38570 states and 69661 transitions. [2021-01-06 18:40:28,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:40:28,165 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:28,166 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] [2021-01-06 18:40:28,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:40:28,166 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:28,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:28,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1210867405, now seen corresponding path program 1 times [2021-01-06 18:40:28,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:28,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871759053] [2021-01-06 18:40:28,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:28,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:40:28,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871759053] [2021-01-06 18:40:28,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:28,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:28,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894760653] [2021-01-06 18:40:28,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:28,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:28,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:28,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:28,284 INFO L87 Difference]: Start difference. First operand 38570 states and 69661 transitions. Second operand 5 states. [2021-01-06 18:40:31,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:31,227 INFO L93 Difference]: Finished difference Result 113405 states and 204782 transitions. [2021-01-06 18:40:31,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:40:31,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2021-01-06 18:40:31,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:31,449 INFO L225 Difference]: With dead ends: 113405 [2021-01-06 18:40:31,449 INFO L226 Difference]: Without dead ends: 75092 [2021-01-06 18:40:31,510 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:40:31,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75092 states. [2021-01-06 18:40:33,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75092 to 38570. [2021-01-06 18:40:33,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38570 states. [2021-01-06 18:40:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38570 states to 38570 states and 69403 transitions. [2021-01-06 18:40:33,838 INFO L78 Accepts]: Start accepts. Automaton has 38570 states and 69403 transitions. Word has length 89 [2021-01-06 18:40:33,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:33,838 INFO L481 AbstractCegarLoop]: Abstraction has 38570 states and 69403 transitions. [2021-01-06 18:40:33,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:33,838 INFO L276 IsEmpty]: Start isEmpty. Operand 38570 states and 69403 transitions. [2021-01-06 18:40:33,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:40:33,860 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:33,861 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] [2021-01-06 18:40:33,861 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:40:33,861 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:33,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:33,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1782282261, now seen corresponding path program 2 times [2021-01-06 18:40:33,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:33,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316762401] [2021-01-06 18:40:33,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:33,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316762401] [2021-01-06 18:40:33,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:33,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:40:33,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087578098] [2021-01-06 18:40:33,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:40:33,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:33,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:40:33,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:40:33,944 INFO L87 Difference]: Start difference. First operand 38570 states and 69403 transitions. Second operand 5 states. [2021-01-06 18:40:35,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:35,978 INFO L93 Difference]: Finished difference Result 77168 states and 138847 transitions. [2021-01-06 18:40:35,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:40:35,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2021-01-06 18:40:35,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:36,082 INFO L225 Difference]: With dead ends: 77168 [2021-01-06 18:40:36,083 INFO L226 Difference]: Without dead ends: 38861 [2021-01-06 18:40:36,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:40:36,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38861 states. [2021-01-06 18:40:37,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38861 to 38570. [2021-01-06 18:40:37,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38570 states. [2021-01-06 18:40:38,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38570 states to 38570 states and 69275 transitions. [2021-01-06 18:40:38,001 INFO L78 Accepts]: Start accepts. Automaton has 38570 states and 69275 transitions. Word has length 89 [2021-01-06 18:40:38,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:38,001 INFO L481 AbstractCegarLoop]: Abstraction has 38570 states and 69275 transitions. [2021-01-06 18:40:38,001 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:40:38,002 INFO L276 IsEmpty]: Start isEmpty. Operand 38570 states and 69275 transitions. [2021-01-06 18:40:38,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:40:38,023 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:38,024 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] [2021-01-06 18:40:38,024 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:40:38,024 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:38,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:38,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1600178136, now seen corresponding path program 1 times [2021-01-06 18:40:38,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:38,025 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690739977] [2021-01-06 18:40:38,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:38,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:40:38,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690739977] [2021-01-06 18:40:38,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:38,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:40:38,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007732980] [2021-01-06 18:40:38,088 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:40:38,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:38,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:40:38,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:38,089 INFO L87 Difference]: Start difference. First operand 38570 states and 69275 transitions. Second operand 3 states. [2021-01-06 18:40:40,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:40,807 INFO L93 Difference]: Finished difference Result 107290 states and 192425 transitions. [2021-01-06 18:40:40,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:40:40,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2021-01-06 18:40:40,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:40,952 INFO L225 Difference]: With dead ends: 107290 [2021-01-06 18:40:40,952 INFO L226 Difference]: Without dead ends: 68943 [2021-01-06 18:40:40,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:40:41,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68943 states. [2021-01-06 18:40:44,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68943 to 68652. [2021-01-06 18:40:44,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68652 states. [2021-01-06 18:40:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68652 states to 68652 states and 122780 transitions. [2021-01-06 18:40:44,236 INFO L78 Accepts]: Start accepts. Automaton has 68652 states and 122780 transitions. Word has length 89 [2021-01-06 18:40:44,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:44,236 INFO L481 AbstractCegarLoop]: Abstraction has 68652 states and 122780 transitions. [2021-01-06 18:40:44,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:40:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 68652 states and 122780 transitions. [2021-01-06 18:40:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:40:44,260 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:44,261 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] [2021-01-06 18:40:44,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:40:44,261 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:44,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:44,262 INFO L82 PathProgramCache]: Analyzing trace with hash 601359153, now seen corresponding path program 1 times [2021-01-06 18:40:44,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:44,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208457649] [2021-01-06 18:40:44,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:40:44,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208457649] [2021-01-06 18:40:44,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:44,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:40:44,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665663128] [2021-01-06 18:40:44,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:40:44,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:44,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:40:44,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:40:44,401 INFO L87 Difference]: Start difference. First operand 68652 states and 122780 transitions. Second operand 9 states. [2021-01-06 18:40:50,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:40:50,979 INFO L93 Difference]: Finished difference Result 139563 states and 249221 transitions. [2021-01-06 18:40:50,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 18:40:50,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2021-01-06 18:40:50,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:40:51,384 INFO L225 Difference]: With dead ends: 139563 [2021-01-06 18:40:51,384 INFO L226 Difference]: Without dead ends: 139303 [2021-01-06 18:40:51,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2021-01-06 18:40:51,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139303 states. [2021-01-06 18:40:57,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139303 to 137155. [2021-01-06 18:40:57,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137155 states. [2021-01-06 18:40:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137155 states to 137155 states and 245321 transitions. [2021-01-06 18:40:57,767 INFO L78 Accepts]: Start accepts. Automaton has 137155 states and 245321 transitions. Word has length 90 [2021-01-06 18:40:57,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:40:57,768 INFO L481 AbstractCegarLoop]: Abstraction has 137155 states and 245321 transitions. [2021-01-06 18:40:57,768 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:40:57,768 INFO L276 IsEmpty]: Start isEmpty. Operand 137155 states and 245321 transitions. [2021-01-06 18:40:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:40:57,794 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:40:57,794 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] [2021-01-06 18:40:57,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:40:57,794 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:40:57,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:40:57,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1818348351, now seen corresponding path program 1 times [2021-01-06 18:40:57,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:40:57,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842405433] [2021-01-06 18:40:57,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:40:57,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:40:57,895 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:40:57,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842405433] [2021-01-06 18:40:57,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:40:57,896 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:40:57,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466091118] [2021-01-06 18:40:57,897 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:40:57,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:40:57,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:40:57,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:40:57,898 INFO L87 Difference]: Start difference. First operand 137155 states and 245321 transitions. Second operand 7 states. [2021-01-06 18:41:03,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:03,185 INFO L93 Difference]: Finished difference Result 137987 states and 246676 transitions. [2021-01-06 18:41:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:41:03,185 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2021-01-06 18:41:03,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:03,448 INFO L225 Difference]: With dead ends: 137987 [2021-01-06 18:41:03,448 INFO L226 Difference]: Without dead ends: 137447 [2021-01-06 18:41:03,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:41:03,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137447 states. [2021-01-06 18:41:09,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137447 to 137137. [2021-01-06 18:41:09,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137137 states. [2021-01-06 18:41:09,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137137 states to 137137 states and 245281 transitions. [2021-01-06 18:41:09,902 INFO L78 Accepts]: Start accepts. Automaton has 137137 states and 245281 transitions. Word has length 91 [2021-01-06 18:41:09,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:09,903 INFO L481 AbstractCegarLoop]: Abstraction has 137137 states and 245281 transitions. [2021-01-06 18:41:09,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:41:09,903 INFO L276 IsEmpty]: Start isEmpty. Operand 137137 states and 245281 transitions. [2021-01-06 18:41:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:41:09,934 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:09,935 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] [2021-01-06 18:41:09,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:41:09,935 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:09,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:09,935 INFO L82 PathProgramCache]: Analyzing trace with hash 1315648921, now seen corresponding path program 1 times [2021-01-06 18:41:09,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:09,936 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2730810] [2021-01-06 18:41:09,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:10,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:41:10,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2730810] [2021-01-06 18:41:10,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:10,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:41:10,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994939856] [2021-01-06 18:41:10,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:41:10,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:10,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:41:10,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:41:10,324 INFO L87 Difference]: Start difference. First operand 137137 states and 245281 transitions. Second operand 4 states. [2021-01-06 18:41:17,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:17,573 INFO L93 Difference]: Finished difference Result 207060 states and 370119 transitions. [2021-01-06 18:41:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:41:17,573 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 91 [2021-01-06 18:41:17,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:18,161 INFO L225 Difference]: With dead ends: 207060 [2021-01-06 18:41:18,161 INFO L226 Difference]: Without dead ends: 206641 [2021-01-06 18:41:18,219 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:41:18,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206641 states. [2021-01-06 18:41:27,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206641 to 205750. [2021-01-06 18:41:27,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205750 states. [2021-01-06 18:41:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205750 states to 205750 states and 367990 transitions. [2021-01-06 18:41:27,838 INFO L78 Accepts]: Start accepts. Automaton has 205750 states and 367990 transitions. Word has length 91 [2021-01-06 18:41:27,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:27,838 INFO L481 AbstractCegarLoop]: Abstraction has 205750 states and 367990 transitions. [2021-01-06 18:41:27,838 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:41:27,848 INFO L276 IsEmpty]: Start isEmpty. Operand 205750 states and 367990 transitions. [2021-01-06 18:41:27,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:41:27,908 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:27,909 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] [2021-01-06 18:41:27,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:41:27,909 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:27,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:27,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1338281175, now seen corresponding path program 1 times [2021-01-06 18:41:27,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:27,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203859141] [2021-01-06 18:41:27,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:28,079 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:41:28,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203859141] [2021-01-06 18:41:28,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:28,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:41:28,080 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003203045] [2021-01-06 18:41:28,080 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:41:28,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:28,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:41:28,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:41:28,081 INFO L87 Difference]: Start difference. First operand 205750 states and 367990 transitions. Second operand 9 states. [2021-01-06 18:41:36,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:41:36,879 INFO L93 Difference]: Finished difference Result 210974 states and 376422 transitions. [2021-01-06 18:41:36,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:41:36,880 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2021-01-06 18:41:36,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:41:37,464 INFO L225 Difference]: With dead ends: 210974 [2021-01-06 18:41:37,464 INFO L226 Difference]: Without dead ends: 210173 [2021-01-06 18:41:37,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:41:37,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210173 states. [2021-01-06 18:41:46,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210173 to 206058. [2021-01-06 18:41:46,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206058 states. [2021-01-06 18:41:47,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206058 states to 206058 states and 368470 transitions. [2021-01-06 18:41:47,672 INFO L78 Accepts]: Start accepts. Automaton has 206058 states and 368470 transitions. Word has length 91 [2021-01-06 18:41:47,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:41:47,673 INFO L481 AbstractCegarLoop]: Abstraction has 206058 states and 368470 transitions. [2021-01-06 18:41:47,673 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:41:47,675 INFO L276 IsEmpty]: Start isEmpty. Operand 206058 states and 368470 transitions. [2021-01-06 18:41:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:41:47,731 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:41:47,743 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:41:47,743 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:41:47,743 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:41:47,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:41:47,744 INFO L82 PathProgramCache]: Analyzing trace with hash -798369583, now seen corresponding path program 1 times [2021-01-06 18:41:47,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:41:47,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75192841] [2021-01-06 18:41:47,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:41:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:41:47,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:41:47,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75192841] [2021-01-06 18:41:47,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:41:47,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:41:47,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513616028] [2021-01-06 18:41:47,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:41:47,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:41:47,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:41:47,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:41:47,846 INFO L87 Difference]: Start difference. First operand 206058 states and 368470 transitions. Second operand 5 states.