/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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:48:18,605 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:48:18,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:48:18,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:48:18,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:48:18,645 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:48:18,647 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:48:18,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:48:18,652 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:48:18,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:48:18,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:48:18,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:48:18,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:48:18,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:48:18,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:48:18,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:48:18,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:48:18,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:48:18,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:48:18,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:48:18,691 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:48:18,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:48:18,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:48:18,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:48:18,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:48:18,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:48:18,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:48:18,750 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:48:18,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:48:18,751 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:48:18,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:48:18,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:48:18,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:48:18,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:48:18,759 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:48:18,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:48:18,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:48:18,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:48:18,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:48:18,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:48:18,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:48:18,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:48:18,821 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:48:18,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:48:18,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:48:18,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:48:18,827 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:48:18,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:48:18,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:48:18,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:48:18,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:48:18,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:48:18,829 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:48:18,829 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:48:18,829 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:48:18,830 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:48:18,830 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:48:18,830 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:48:18,830 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:48:18,831 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:48:18,831 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:48:18,831 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:48:18,831 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:48:18,831 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:48:18,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:48:18,832 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:48:18,832 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:48:18,832 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:48:19,268 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:48:19,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:48:19,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:48:19,314 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:48:19,315 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:48:19,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product15.cil.c [2020-12-23 08:48:19,406 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd38cd78d/185a95dd43334b41b3b161ff21cec592/FLAG51d1b2459 [2020-12-23 08:48:20,257 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:48:20,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product15.cil.c [2020-12-23 08:48:20,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd38cd78d/185a95dd43334b41b3b161ff21cec592/FLAG51d1b2459 [2020-12-23 08:48:20,463 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd38cd78d/185a95dd43334b41b3b161ff21cec592 [2020-12-23 08:48:20,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:48:20,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:48:20,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:48:20,482 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:48:20,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:48:20,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:48:20" (1/1) ... [2020-12-23 08:48:20,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e10b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:20, skipping insertion in model container [2020-12-23 08:48:20,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:48:20" (1/1) ... [2020-12-23 08:48:20,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:48:20,604 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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 08:48:21,067 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_spec1_product15.cil.c[34492,34505] 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[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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_tmp5~3,] 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~10,] 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_tmp5~4,] 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~11,] 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~33,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~34,] 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_12~1,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:48:21,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:48:21,336 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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 08:48:21,501 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_spec1_product15.cil.c[34492,34505] 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[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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_tmp5~3,] 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~10,] 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_tmp5~4,] 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~11,] 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~33,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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~34,] 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_12~1,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 08:48:21,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:48:21,667 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:48:21,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21 WrapperNode [2020-12-23 08:48:21,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:48:21,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:48:21,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:48:21,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:48:21,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... [2020-12-23 08:48:21,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... [2020-12-23 08:48:21,808 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:48:21,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:48:21,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:48:21,812 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:48:21,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... [2020-12-23 08:48:21,829 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... [2020-12-23 08:48:21,848 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... [2020-12-23 08:48:21,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... [2020-12-23 08:48:21,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... [2020-12-23 08:48:21,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... [2020-12-23 08:48:21,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... [2020-12-23 08:48:21,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:48:21,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:48:21,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:48:21,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:48:21,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:48:22,046 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:48:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:48:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:48:22,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:48:22,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:48:24,087 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:48:24,088 INFO L299 CfgBuilder]: Removed 255 assume(true) statements. [2020-12-23 08:48:24,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:48:24 BoogieIcfgContainer [2020-12-23 08:48:24,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:48:24,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:48:24,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:48:24,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:48:24,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:48:20" (1/3) ... [2020-12-23 08:48:24,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dc1687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:48:24, skipping insertion in model container [2020-12-23 08:48:24,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:48:21" (2/3) ... [2020-12-23 08:48:24,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dc1687 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:48:24, skipping insertion in model container [2020-12-23 08:48:24,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:48:24" (3/3) ... [2020-12-23 08:48:24,101 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product15.cil.c [2020-12-23 08:48:24,108 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:48:24,114 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:48:24,134 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:48:24,166 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:48:24,166 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:48:24,166 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:48:24,166 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:48:24,166 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:48:24,167 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:48:24,167 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:48:24,167 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:48:24,192 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2020-12-23 08:48:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 08:48:24,205 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:24,206 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] [2020-12-23 08:48:24,207 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:24,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:24,214 INFO L82 PathProgramCache]: Analyzing trace with hash 840373952, now seen corresponding path program 1 times [2020-12-23 08:48:24,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:24,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723493461] [2020-12-23 08:48:24,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:24,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723493461] [2020-12-23 08:48:24,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:24,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:24,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207668474] [2020-12-23 08:48:24,626 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:24,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:24,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:24,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:24,648 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2020-12-23 08:48:24,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:24,803 INFO L93 Difference]: Finished difference Result 1192 states and 2096 transitions. [2020-12-23 08:48:24,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:24,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-23 08:48:24,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:24,833 INFO L225 Difference]: With dead ends: 1192 [2020-12-23 08:48:24,833 INFO L226 Difference]: Without dead ends: 708 [2020-12-23 08:48:24,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:24,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-12-23 08:48:24,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 363. [2020-12-23 08:48:24,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-12-23 08:48:24,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 634 transitions. [2020-12-23 08:48:24,956 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 634 transitions. Word has length 41 [2020-12-23 08:48:24,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:24,958 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 634 transitions. [2020-12-23 08:48:24,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:24,958 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 634 transitions. [2020-12-23 08:48:24,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 08:48:24,967 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:24,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:24,968 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:48:24,968 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:24,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:24,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1548364211, now seen corresponding path program 1 times [2020-12-23 08:48:24,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:24,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719504565] [2020-12-23 08:48:24,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:25,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:25,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719504565] [2020-12-23 08:48:25,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:25,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:48:25,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141387020] [2020-12-23 08:48:25,186 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:48:25,186 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:25,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:48:25,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:25,188 INFO L87 Difference]: Start difference. First operand 363 states and 634 transitions. Second operand 5 states. [2020-12-23 08:48:25,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:25,392 INFO L93 Difference]: Finished difference Result 1038 states and 1818 transitions. [2020-12-23 08:48:25,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:48:25,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-12-23 08:48:25,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:25,399 INFO L225 Difference]: With dead ends: 1038 [2020-12-23 08:48:25,399 INFO L226 Difference]: Without dead ends: 694 [2020-12-23 08:48:25,402 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:48:25,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-12-23 08:48:25,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 363. [2020-12-23 08:48:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-12-23 08:48:25,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 633 transitions. [2020-12-23 08:48:25,429 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 633 transitions. Word has length 43 [2020-12-23 08:48:25,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:25,429 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 633 transitions. [2020-12-23 08:48:25,430 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:48:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 633 transitions. [2020-12-23 08:48:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 08:48:25,432 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:25,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:25,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:48:25,433 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:25,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:25,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1658073888, now seen corresponding path program 1 times [2020-12-23 08:48:25,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:25,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914318837] [2020-12-23 08:48:25,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:25,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:25,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914318837] [2020-12-23 08:48:25,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:25,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:25,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571710783] [2020-12-23 08:48:25,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:25,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:25,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:25,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:25,527 INFO L87 Difference]: Start difference. First operand 363 states and 633 transitions. Second operand 3 states. [2020-12-23 08:48:25,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:25,566 INFO L93 Difference]: Finished difference Result 708 states and 1240 transitions. [2020-12-23 08:48:25,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:25,567 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 08:48:25,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:25,570 INFO L225 Difference]: With dead ends: 708 [2020-12-23 08:48:25,570 INFO L226 Difference]: Without dead ends: 368 [2020-12-23 08:48:25,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:25,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2020-12-23 08:48:25,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 363. [2020-12-23 08:48:25,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-12-23 08:48:25,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 632 transitions. [2020-12-23 08:48:25,608 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 632 transitions. Word has length 44 [2020-12-23 08:48:25,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:25,609 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 632 transitions. [2020-12-23 08:48:25,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:25,609 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 632 transitions. [2020-12-23 08:48:25,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 08:48:25,610 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:25,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:25,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:48:25,611 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:25,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:25,612 INFO L82 PathProgramCache]: Analyzing trace with hash 2047054938, now seen corresponding path program 1 times [2020-12-23 08:48:25,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:25,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712948400] [2020-12-23 08:48:25,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:25,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:25,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712948400] [2020-12-23 08:48:25,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:25,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:25,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267587979] [2020-12-23 08:48:25,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:25,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:25,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:25,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:25,763 INFO L87 Difference]: Start difference. First operand 363 states and 632 transitions. Second operand 3 states. [2020-12-23 08:48:25,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:25,808 INFO L93 Difference]: Finished difference Result 718 states and 1253 transitions. [2020-12-23 08:48:25,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:25,809 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 08:48:25,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:25,813 INFO L225 Difference]: With dead ends: 718 [2020-12-23 08:48:25,813 INFO L226 Difference]: Without dead ends: 363 [2020-12-23 08:48:25,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:25,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-12-23 08:48:25,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2020-12-23 08:48:25,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-12-23 08:48:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 630 transitions. [2020-12-23 08:48:25,834 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 630 transitions. Word has length 45 [2020-12-23 08:48:25,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:25,834 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 630 transitions. [2020-12-23 08:48:25,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:25,835 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 630 transitions. [2020-12-23 08:48:25,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 08:48:25,836 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:25,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:25,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:48:25,837 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:25,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:25,837 INFO L82 PathProgramCache]: Analyzing trace with hash 112472741, now seen corresponding path program 1 times [2020-12-23 08:48:25,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:25,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732185087] [2020-12-23 08:48:25,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:25,962 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732185087] [2020-12-23 08:48:25,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:25,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:48:25,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911480210] [2020-12-23 08:48:25,964 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:48:25,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:25,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:48:25,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:25,966 INFO L87 Difference]: Start difference. First operand 363 states and 630 transitions. Second operand 5 states. [2020-12-23 08:48:26,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:26,143 INFO L93 Difference]: Finished difference Result 1028 states and 1798 transitions. [2020-12-23 08:48:26,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:48:26,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 08:48:26,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:26,150 INFO L225 Difference]: With dead ends: 1028 [2020-12-23 08:48:26,151 INFO L226 Difference]: Without dead ends: 692 [2020-12-23 08:48:26,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:48:26,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2020-12-23 08:48:26,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 363. [2020-12-23 08:48:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-12-23 08:48:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 629 transitions. [2020-12-23 08:48:26,181 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 629 transitions. Word has length 46 [2020-12-23 08:48:26,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:26,184 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 629 transitions. [2020-12-23 08:48:26,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:48:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 629 transitions. [2020-12-23 08:48:26,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:48:26,186 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:26,187 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:26,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:48:26,187 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:26,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:26,188 INFO L82 PathProgramCache]: Analyzing trace with hash -649602526, now seen corresponding path program 1 times [2020-12-23 08:48:26,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:26,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853576968] [2020-12-23 08:48:26,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:26,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853576968] [2020-12-23 08:48:26,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:26,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:48:26,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494136787] [2020-12-23 08:48:26,315 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:48:26,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:26,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:48:26,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:26,318 INFO L87 Difference]: Start difference. First operand 363 states and 629 transitions. Second operand 5 states. [2020-12-23 08:48:26,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:26,490 INFO L93 Difference]: Finished difference Result 1033 states and 1803 transitions. [2020-12-23 08:48:26,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:48:26,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 08:48:26,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:26,495 INFO L225 Difference]: With dead ends: 1033 [2020-12-23 08:48:26,495 INFO L226 Difference]: Without dead ends: 697 [2020-12-23 08:48:26,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:48:26,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-12-23 08:48:26,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 363. [2020-12-23 08:48:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-12-23 08:48:26,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 628 transitions. [2020-12-23 08:48:26,522 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 628 transitions. Word has length 47 [2020-12-23 08:48:26,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:26,523 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 628 transitions. [2020-12-23 08:48:26,523 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:48:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 628 transitions. [2020-12-23 08:48:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:48:26,525 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:26,525 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:26,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:48:26,525 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:26,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:26,530 INFO L82 PathProgramCache]: Analyzing trace with hash 2008970762, now seen corresponding path program 1 times [2020-12-23 08:48:26,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:26,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389752271] [2020-12-23 08:48:26,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:26,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:26,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389752271] [2020-12-23 08:48:26,634 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:26,634 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:26,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310059006] [2020-12-23 08:48:26,635 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:26,636 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:26,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:26,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:26,648 INFO L87 Difference]: Start difference. First operand 363 states and 628 transitions. Second operand 3 states. [2020-12-23 08:48:26,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:26,676 INFO L93 Difference]: Finished difference Result 488 states and 832 transitions. [2020-12-23 08:48:26,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:26,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:48:26,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:26,679 INFO L225 Difference]: With dead ends: 488 [2020-12-23 08:48:26,680 INFO L226 Difference]: Without dead ends: 366 [2020-12-23 08:48:26,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:26,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-12-23 08:48:26,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 365. [2020-12-23 08:48:26,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2020-12-23 08:48:26,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 630 transitions. [2020-12-23 08:48:26,706 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 630 transitions. Word has length 48 [2020-12-23 08:48:26,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:26,706 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 630 transitions. [2020-12-23 08:48:26,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:26,707 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 630 transitions. [2020-12-23 08:48:26,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 08:48:26,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:26,708 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] [2020-12-23 08:48:26,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:48:26,708 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:26,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:26,709 INFO L82 PathProgramCache]: Analyzing trace with hash -507120932, now seen corresponding path program 1 times [2020-12-23 08:48:26,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:26,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062148364] [2020-12-23 08:48:26,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:26,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:26,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062148364] [2020-12-23 08:48:26,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:26,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:26,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399525481] [2020-12-23 08:48:26,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:26,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:26,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:26,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:26,809 INFO L87 Difference]: Start difference. First operand 365 states and 630 transitions. Second operand 3 states. [2020-12-23 08:48:26,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:26,859 INFO L93 Difference]: Finished difference Result 981 states and 1714 transitions. [2020-12-23 08:48:26,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:26,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-23 08:48:26,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:26,866 INFO L225 Difference]: With dead ends: 981 [2020-12-23 08:48:26,867 INFO L226 Difference]: Without dead ends: 647 [2020-12-23 08:48:26,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:26,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2020-12-23 08:48:26,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 525. [2020-12-23 08:48:26,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2020-12-23 08:48:26,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 923 transitions. [2020-12-23 08:48:26,904 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 923 transitions. Word has length 56 [2020-12-23 08:48:26,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:26,904 INFO L481 AbstractCegarLoop]: Abstraction has 525 states and 923 transitions. [2020-12-23 08:48:26,904 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:26,904 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 923 transitions. [2020-12-23 08:48:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 08:48:26,905 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:26,906 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] [2020-12-23 08:48:26,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:48:26,908 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:26,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:26,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1677845469, now seen corresponding path program 1 times [2020-12-23 08:48:26,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:26,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678009652] [2020-12-23 08:48:26,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:27,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678009652] [2020-12-23 08:48:27,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:27,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:48:27,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794175151] [2020-12-23 08:48:27,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:48:27,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:27,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:48:27,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:27,059 INFO L87 Difference]: Start difference. First operand 525 states and 923 transitions. Second operand 5 states. [2020-12-23 08:48:27,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:27,300 INFO L93 Difference]: Finished difference Result 1505 states and 2675 transitions. [2020-12-23 08:48:27,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:48:27,301 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-23 08:48:27,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:27,307 INFO L225 Difference]: With dead ends: 1505 [2020-12-23 08:48:27,307 INFO L226 Difference]: Without dead ends: 1011 [2020-12-23 08:48:27,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:48:27,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1011 states. [2020-12-23 08:48:27,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1011 to 525. [2020-12-23 08:48:27,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2020-12-23 08:48:27,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 921 transitions. [2020-12-23 08:48:27,355 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 921 transitions. Word has length 57 [2020-12-23 08:48:27,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:27,355 INFO L481 AbstractCegarLoop]: Abstraction has 525 states and 921 transitions. [2020-12-23 08:48:27,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:48:27,356 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 921 transitions. [2020-12-23 08:48:27,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:48:27,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:27,357 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:27,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:48:27,358 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:27,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:27,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1569587738, now seen corresponding path program 1 times [2020-12-23 08:48:27,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:27,360 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424751345] [2020-12-23 08:48:27,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:27,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424751345] [2020-12-23 08:48:27,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:27,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:27,457 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261675998] [2020-12-23 08:48:27,458 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:27,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:27,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:27,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:27,461 INFO L87 Difference]: Start difference. First operand 525 states and 921 transitions. Second operand 3 states. [2020-12-23 08:48:27,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:27,553 INFO L93 Difference]: Finished difference Result 1503 states and 2667 transitions. [2020-12-23 08:48:27,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:27,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:48:27,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:27,563 INFO L225 Difference]: With dead ends: 1503 [2020-12-23 08:48:27,563 INFO L226 Difference]: Without dead ends: 1009 [2020-12-23 08:48:27,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:27,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-12-23 08:48:27,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 887. [2020-12-23 08:48:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2020-12-23 08:48:27,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1584 transitions. [2020-12-23 08:48:27,629 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1584 transitions. Word has length 58 [2020-12-23 08:48:27,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:27,629 INFO L481 AbstractCegarLoop]: Abstraction has 887 states and 1584 transitions. [2020-12-23 08:48:27,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:27,629 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1584 transitions. [2020-12-23 08:48:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:48:27,631 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:27,631 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:27,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:48:27,632 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:27,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:27,632 INFO L82 PathProgramCache]: Analyzing trace with hash -335503864, now seen corresponding path program 1 times [2020-12-23 08:48:27,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:27,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86085798] [2020-12-23 08:48:27,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:27,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86085798] [2020-12-23 08:48:27,739 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361936227] [2020-12-23 08:48:27,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:48:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:28,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:48:28,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:48:28,154 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:48:28,155 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 08:48:28,155 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 08:48:28,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180319216] [2020-12-23 08:48:28,156 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:28,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:28,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:28,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:28,157 INFO L87 Difference]: Start difference. First operand 887 states and 1584 transitions. Second operand 3 states. [2020-12-23 08:48:28,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:28,214 INFO L93 Difference]: Finished difference Result 964 states and 1709 transitions. [2020-12-23 08:48:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:28,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:48:28,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:28,220 INFO L225 Difference]: With dead ends: 964 [2020-12-23 08:48:28,220 INFO L226 Difference]: Without dead ends: 881 [2020-12-23 08:48:28,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:28,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2020-12-23 08:48:28,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2020-12-23 08:48:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2020-12-23 08:48:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1575 transitions. [2020-12-23 08:48:28,283 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1575 transitions. Word has length 58 [2020-12-23 08:48:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:28,283 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1575 transitions. [2020-12-23 08:48:28,283 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1575 transitions. [2020-12-23 08:48:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-12-23 08:48:28,286 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:28,286 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:28,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:48:28,500 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:28,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:28,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1368145336, now seen corresponding path program 1 times [2020-12-23 08:48:28,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:28,502 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914112620] [2020-12-23 08:48:28,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:28,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:28,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914112620] [2020-12-23 08:48:28,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135555539] [2020-12-23 08:48:28,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:48:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:29,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 1064 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:48:29,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:48:29,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:29,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:48:29,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:48:29,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779479030] [2020-12-23 08:48:29,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:48:29,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:29,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:48:29,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:29,151 INFO L87 Difference]: Start difference. First operand 881 states and 1575 transitions. Second operand 5 states. [2020-12-23 08:48:29,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:29,293 INFO L93 Difference]: Finished difference Result 1332 states and 2353 transitions. [2020-12-23 08:48:29,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:48:29,294 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-12-23 08:48:29,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:29,301 INFO L225 Difference]: With dead ends: 1332 [2020-12-23 08:48:29,302 INFO L226 Difference]: Without dead ends: 1216 [2020-12-23 08:48:29,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:29,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1216 states. [2020-12-23 08:48:29,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1216 to 1097. [2020-12-23 08:48:29,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1097 states. [2020-12-23 08:48:29,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 1097 states and 1965 transitions. [2020-12-23 08:48:29,405 INFO L78 Accepts]: Start accepts. Automaton has 1097 states and 1965 transitions. Word has length 88 [2020-12-23 08:48:29,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:29,406 INFO L481 AbstractCegarLoop]: Abstraction has 1097 states and 1965 transitions. [2020-12-23 08:48:29,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:48:29,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1097 states and 1965 transitions. [2020-12-23 08:48:29,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 08:48:29,409 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:29,410 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:29,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 08:48:29,624 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:29,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:29,626 INFO L82 PathProgramCache]: Analyzing trace with hash -965240165, now seen corresponding path program 1 times [2020-12-23 08:48:29,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:29,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858239348] [2020-12-23 08:48:29,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:29,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858239348] [2020-12-23 08:48:29,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:29,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:29,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350180896] [2020-12-23 08:48:29,720 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:29,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:29,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:29,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:29,722 INFO L87 Difference]: Start difference. First operand 1097 states and 1965 transitions. Second operand 3 states. [2020-12-23 08:48:29,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:29,857 INFO L93 Difference]: Finished difference Result 2925 states and 5269 transitions. [2020-12-23 08:48:29,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:29,858 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-12-23 08:48:29,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:29,870 INFO L225 Difference]: With dead ends: 2925 [2020-12-23 08:48:29,870 INFO L226 Difference]: Without dead ends: 1929 [2020-12-23 08:48:29,876 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2020-12-23 08:48:30,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1813. [2020-12-23 08:48:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1813 states. [2020-12-23 08:48:30,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1813 states to 1813 states and 3270 transitions. [2020-12-23 08:48:30,058 INFO L78 Accepts]: Start accepts. Automaton has 1813 states and 3270 transitions. Word has length 92 [2020-12-23 08:48:30,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:30,059 INFO L481 AbstractCegarLoop]: Abstraction has 1813 states and 3270 transitions. [2020-12-23 08:48:30,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 3270 transitions. [2020-12-23 08:48:30,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 08:48:30,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:30,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:30,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:48:30,065 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:30,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:30,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1830630117, now seen corresponding path program 1 times [2020-12-23 08:48:30,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:30,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596168239] [2020-12-23 08:48:30,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:30,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596168239] [2020-12-23 08:48:30,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:30,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:30,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8321723] [2020-12-23 08:48:30,164 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:30,164 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:30,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:30,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:30,165 INFO L87 Difference]: Start difference. First operand 1813 states and 3270 transitions. Second operand 3 states. [2020-12-23 08:48:30,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:30,382 INFO L93 Difference]: Finished difference Result 4809 states and 8703 transitions. [2020-12-23 08:48:30,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:30,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-12-23 08:48:30,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:30,401 INFO L225 Difference]: With dead ends: 4809 [2020-12-23 08:48:30,402 INFO L226 Difference]: Without dead ends: 3131 [2020-12-23 08:48:30,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:30,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3131 states. [2020-12-23 08:48:30,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3131 to 3015. [2020-12-23 08:48:30,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3015 states. [2020-12-23 08:48:30,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3015 states to 3015 states and 5455 transitions. [2020-12-23 08:48:30,674 INFO L78 Accepts]: Start accepts. Automaton has 3015 states and 5455 transitions. Word has length 93 [2020-12-23 08:48:30,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:30,674 INFO L481 AbstractCegarLoop]: Abstraction has 3015 states and 5455 transitions. [2020-12-23 08:48:30,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:30,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3015 states and 5455 transitions. [2020-12-23 08:48:30,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 08:48:30,685 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:30,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:30,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:48:30,685 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:30,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:30,686 INFO L82 PathProgramCache]: Analyzing trace with hash -39865910, now seen corresponding path program 1 times [2020-12-23 08:48:30,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:30,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543772438] [2020-12-23 08:48:30,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:30,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:30,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543772438] [2020-12-23 08:48:30,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:30,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:30,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526130006] [2020-12-23 08:48:30,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:30,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:30,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:30,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:30,782 INFO L87 Difference]: Start difference. First operand 3015 states and 5455 transitions. Second operand 3 states. [2020-12-23 08:48:31,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:31,116 INFO L93 Difference]: Finished difference Result 8131 states and 14741 transitions. [2020-12-23 08:48:31,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:31,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-23 08:48:31,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:31,149 INFO L225 Difference]: With dead ends: 8131 [2020-12-23 08:48:31,149 INFO L226 Difference]: Without dead ends: 5285 [2020-12-23 08:48:31,158 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:31,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5285 states. [2020-12-23 08:48:31,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5285 to 5169. [2020-12-23 08:48:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5169 states. [2020-12-23 08:48:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 5169 states and 9360 transitions. [2020-12-23 08:48:31,594 INFO L78 Accepts]: Start accepts. Automaton has 5169 states and 9360 transitions. Word has length 94 [2020-12-23 08:48:31,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:31,594 INFO L481 AbstractCegarLoop]: Abstraction has 5169 states and 9360 transitions. [2020-12-23 08:48:31,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:31,594 INFO L276 IsEmpty]: Start isEmpty. Operand 5169 states and 9360 transitions. [2020-12-23 08:48:31,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:48:31,609 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:31,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:31,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:48:31,610 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:31,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:31,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1388673386, now seen corresponding path program 1 times [2020-12-23 08:48:31,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:31,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958045000] [2020-12-23 08:48:31,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:31,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958045000] [2020-12-23 08:48:31,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:31,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:31,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282022737] [2020-12-23 08:48:31,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:31,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:31,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:31,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:31,696 INFO L87 Difference]: Start difference. First operand 5169 states and 9360 transitions. Second operand 3 states. [2020-12-23 08:48:32,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:32,384 INFO L93 Difference]: Finished difference Result 15051 states and 27298 transitions. [2020-12-23 08:48:32,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:32,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-23 08:48:32,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:32,455 INFO L225 Difference]: With dead ends: 15051 [2020-12-23 08:48:32,455 INFO L226 Difference]: Without dead ends: 10055 [2020-12-23 08:48:32,465 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:32,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10055 states. [2020-12-23 08:48:33,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10055 to 9939. [2020-12-23 08:48:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9939 states. [2020-12-23 08:48:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9939 states to 9939 states and 18001 transitions. [2020-12-23 08:48:33,271 INFO L78 Accepts]: Start accepts. Automaton has 9939 states and 18001 transitions. Word has length 95 [2020-12-23 08:48:33,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:33,271 INFO L481 AbstractCegarLoop]: Abstraction has 9939 states and 18001 transitions. [2020-12-23 08:48:33,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 9939 states and 18001 transitions. [2020-12-23 08:48:33,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 08:48:33,292 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:33,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:33,292 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:48:33,292 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:33,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:33,293 INFO L82 PathProgramCache]: Analyzing trace with hash 147752315, now seen corresponding path program 1 times [2020-12-23 08:48:33,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:33,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859253961] [2020-12-23 08:48:33,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:33,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:33,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859253961] [2020-12-23 08:48:33,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:33,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:33,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432943961] [2020-12-23 08:48:33,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:33,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:33,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:33,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:33,369 INFO L87 Difference]: Start difference. First operand 9939 states and 18001 transitions. Second operand 3 states. [2020-12-23 08:48:34,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:34,719 INFO L93 Difference]: Finished difference Result 29063 states and 52696 transitions. [2020-12-23 08:48:34,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:34,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-23 08:48:34,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:34,864 INFO L225 Difference]: With dead ends: 29063 [2020-12-23 08:48:34,864 INFO L226 Difference]: Without dead ends: 19305 [2020-12-23 08:48:34,891 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:34,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19305 states. [2020-12-23 08:48:36,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19305 to 19189. [2020-12-23 08:48:36,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19189 states. [2020-12-23 08:48:36,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19189 states to 19189 states and 34738 transitions. [2020-12-23 08:48:36,421 INFO L78 Accepts]: Start accepts. Automaton has 19189 states and 34738 transitions. Word has length 96 [2020-12-23 08:48:36,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:36,421 INFO L481 AbstractCegarLoop]: Abstraction has 19189 states and 34738 transitions. [2020-12-23 08:48:36,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:36,421 INFO L276 IsEmpty]: Start isEmpty. Operand 19189 states and 34738 transitions. [2020-12-23 08:48:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:48:36,457 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:36,458 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:36,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:48:36,458 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:36,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:36,459 INFO L82 PathProgramCache]: Analyzing trace with hash 55896168, now seen corresponding path program 1 times [2020-12-23 08:48:36,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:36,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197324837] [2020-12-23 08:48:36,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:36,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197324837] [2020-12-23 08:48:36,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:36,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:36,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605280388] [2020-12-23 08:48:36,565 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:36,565 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:36,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:36,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:36,566 INFO L87 Difference]: Start difference. First operand 19189 states and 34738 transitions. Second operand 3 states. [2020-12-23 08:48:38,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:38,580 INFO L93 Difference]: Finished difference Result 56999 states and 103221 transitions. [2020-12-23 08:48:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:38,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2020-12-23 08:48:38,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:38,792 INFO L225 Difference]: With dead ends: 56999 [2020-12-23 08:48:38,793 INFO L226 Difference]: Without dead ends: 37995 [2020-12-23 08:48:38,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:38,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37995 states. [2020-12-23 08:48:41,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37995 to 37879. [2020-12-23 08:48:41,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37879 states. [2020-12-23 08:48:41,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37879 states to 37879 states and 68467 transitions. [2020-12-23 08:48:41,939 INFO L78 Accepts]: Start accepts. Automaton has 37879 states and 68467 transitions. Word has length 97 [2020-12-23 08:48:41,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:41,939 INFO L481 AbstractCegarLoop]: Abstraction has 37879 states and 68467 transitions. [2020-12-23 08:48:41,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:48:41,939 INFO L276 IsEmpty]: Start isEmpty. Operand 37879 states and 68467 transitions. [2020-12-23 08:48:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 08:48:41,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:41,997 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:41,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:48:41,997 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:41,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:41,998 INFO L82 PathProgramCache]: Analyzing trace with hash -400238828, now seen corresponding path program 1 times [2020-12-23 08:48:41,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:41,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221423139] [2020-12-23 08:48:41,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:48:42,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221423139] [2020-12-23 08:48:42,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:42,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:48:42,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653429493] [2020-12-23 08:48:42,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:48:42,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:42,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:48:42,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:42,120 INFO L87 Difference]: Start difference. First operand 37879 states and 68467 transitions. Second operand 5 states. [2020-12-23 08:48:45,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:45,907 INFO L93 Difference]: Finished difference Result 111340 states and 201214 transitions. [2020-12-23 08:48:45,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:48:45,916 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-12-23 08:48:45,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:46,211 INFO L225 Difference]: With dead ends: 111340 [2020-12-23 08:48:46,211 INFO L226 Difference]: Without dead ends: 73714 [2020-12-23 08:48:46,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:48:46,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73714 states. [2020-12-23 08:48:49,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73714 to 37879. [2020-12-23 08:48:49,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37879 states. [2020-12-23 08:48:49,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37879 states to 37879 states and 68209 transitions. [2020-12-23 08:48:49,376 INFO L78 Accepts]: Start accepts. Automaton has 37879 states and 68209 transitions. Word has length 98 [2020-12-23 08:48:49,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:49,376 INFO L481 AbstractCegarLoop]: Abstraction has 37879 states and 68209 transitions. [2020-12-23 08:48:49,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:48:49,377 INFO L276 IsEmpty]: Start isEmpty. Operand 37879 states and 68209 transitions. [2020-12-23 08:48:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 08:48:49,414 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:49,414 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:49,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:48:49,414 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:49,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:49,415 INFO L82 PathProgramCache]: Analyzing trace with hash -918155338, now seen corresponding path program 2 times [2020-12-23 08:48:49,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:49,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814112911] [2020-12-23 08:48:49,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:49,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814112911] [2020-12-23 08:48:49,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:49,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:48:49,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284122063] [2020-12-23 08:48:49,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:48:49,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:49,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:48:49,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:48:49,649 INFO L87 Difference]: Start difference. First operand 37879 states and 68209 transitions. Second operand 5 states. [2020-12-23 08:48:51,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:51,639 INFO L93 Difference]: Finished difference Result 75615 states and 136175 transitions. [2020-12-23 08:48:51,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:48:51,639 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2020-12-23 08:48:51,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:51,734 INFO L225 Difference]: With dead ends: 75615 [2020-12-23 08:48:51,734 INFO L226 Difference]: Without dead ends: 37995 [2020-12-23 08:48:51,899 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:48:51,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37995 states. [2020-12-23 08:48:53,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37995 to 37879. [2020-12-23 08:48:53,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37879 states. [2020-12-23 08:48:53,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37879 states to 37879 states and 68081 transitions. [2020-12-23 08:48:53,808 INFO L78 Accepts]: Start accepts. Automaton has 37879 states and 68081 transitions. Word has length 98 [2020-12-23 08:48:53,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:48:53,808 INFO L481 AbstractCegarLoop]: Abstraction has 37879 states and 68081 transitions. [2020-12-23 08:48:53,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:48:53,808 INFO L276 IsEmpty]: Start isEmpty. Operand 37879 states and 68081 transitions. [2020-12-23 08:48:53,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 08:48:53,832 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:48:53,832 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:48:53,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:48:53,832 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:48:53,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:48:53,833 INFO L82 PathProgramCache]: Analyzing trace with hash -957173527, now seen corresponding path program 1 times [2020-12-23 08:48:53,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:48:53,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968270580] [2020-12-23 08:48:53,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:48:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:48:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:48:53,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968270580] [2020-12-23 08:48:53,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:48:53,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:48:53,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199024224] [2020-12-23 08:48:53,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:48:53,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:48:53,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:48:53,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:53,908 INFO L87 Difference]: Start difference. First operand 37879 states and 68081 transitions. Second operand 3 states. [2020-12-23 08:48:56,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:48:56,662 INFO L93 Difference]: Finished difference Result 105225 states and 188857 transitions. [2020-12-23 08:48:56,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:48:56,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2020-12-23 08:48:56,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:48:56,800 INFO L225 Difference]: With dead ends: 105225 [2020-12-23 08:48:56,800 INFO L226 Difference]: Without dead ends: 67565 [2020-12-23 08:48:56,841 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:48:56,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67565 states. [2020-12-23 08:49:00,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67565 to 67449. [2020-12-23 08:49:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67449 states. [2020-12-23 08:49:00,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67449 states to 67449 states and 120690 transitions. [2020-12-23 08:49:00,257 INFO L78 Accepts]: Start accepts. Automaton has 67449 states and 120690 transitions. Word has length 98 [2020-12-23 08:49:00,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:00,258 INFO L481 AbstractCegarLoop]: Abstraction has 67449 states and 120690 transitions. [2020-12-23 08:49:00,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:00,258 INFO L276 IsEmpty]: Start isEmpty. Operand 67449 states and 120690 transitions. [2020-12-23 08:49:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 08:49:00,284 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:00,284 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:00,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:49:00,284 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:00,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:00,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1979835184, now seen corresponding path program 1 times [2020-12-23 08:49:00,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:00,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557636352] [2020-12-23 08:49:00,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:00,418 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:00,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557636352] [2020-12-23 08:49:00,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:00,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:49:00,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510012652] [2020-12-23 08:49:00,419 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:00,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:00,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:00,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:00,420 INFO L87 Difference]: Start difference. First operand 67449 states and 120690 transitions. Second operand 9 states. [2020-12-23 08:49:06,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:06,590 INFO L93 Difference]: Finished difference Result 135526 states and 242360 transitions. [2020-12-23 08:49:06,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 08:49:06,590 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2020-12-23 08:49:06,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:06,867 INFO L225 Difference]: With dead ends: 135526 [2020-12-23 08:49:06,867 INFO L226 Difference]: Without dead ends: 135430 [2020-12-23 08:49:06,904 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2020-12-23 08:49:07,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135430 states. [2020-12-23 08:49:13,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135430 to 134695. [2020-12-23 08:49:13,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134695 states. [2020-12-23 08:49:13,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134695 states to 134695 states and 241046 transitions. [2020-12-23 08:49:13,606 INFO L78 Accepts]: Start accepts. Automaton has 134695 states and 241046 transitions. Word has length 99 [2020-12-23 08:49:13,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:13,606 INFO L481 AbstractCegarLoop]: Abstraction has 134695 states and 241046 transitions. [2020-12-23 08:49:13,606 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:13,606 INFO L276 IsEmpty]: Start isEmpty. Operand 134695 states and 241046 transitions. [2020-12-23 08:49:13,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 08:49:13,684 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:13,684 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:13,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:49:13,685 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:13,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:13,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1779586810, now seen corresponding path program 1 times [2020-12-23 08:49:13,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:13,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846152612] [2020-12-23 08:49:13,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:14,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846152612] [2020-12-23 08:49:14,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:14,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:49:14,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046496496] [2020-12-23 08:49:14,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:49:14,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:14,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:49:14,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:49:14,034 INFO L87 Difference]: Start difference. First operand 134695 states and 241046 transitions. Second operand 4 states. [2020-12-23 08:49:18,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:18,858 INFO L93 Difference]: Finished difference Result 134854 states and 241300 transitions. [2020-12-23 08:49:18,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:49:18,859 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2020-12-23 08:49:18,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:19,171 INFO L225 Difference]: With dead ends: 134854 [2020-12-23 08:49:19,171 INFO L226 Difference]: Without dead ends: 134743 [2020-12-23 08:49:19,362 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:19,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134743 states. [2020-12-23 08:49:25,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134743 to 134694. [2020-12-23 08:49:25,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134694 states. [2020-12-23 08:49:25,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134694 states to 134694 states and 241042 transitions. [2020-12-23 08:49:25,920 INFO L78 Accepts]: Start accepts. Automaton has 134694 states and 241042 transitions. Word has length 100 [2020-12-23 08:49:25,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:25,921 INFO L481 AbstractCegarLoop]: Abstraction has 134694 states and 241042 transitions. [2020-12-23 08:49:25,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:49:25,921 INFO L276 IsEmpty]: Start isEmpty. Operand 134694 states and 241042 transitions. [2020-12-23 08:49:25,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 08:49:25,979 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:25,979 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:25,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:49:25,980 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:25,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:25,980 INFO L82 PathProgramCache]: Analyzing trace with hash 318858557, now seen corresponding path program 1 times [2020-12-23 08:49:25,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:25,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008780385] [2020-12-23 08:49:25,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:26,102 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:26,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008780385] [2020-12-23 08:49:26,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:26,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:49:26,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609666252] [2020-12-23 08:49:26,104 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:49:26,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:26,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:49:26,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:49:26,105 INFO L87 Difference]: Start difference. First operand 134694 states and 241042 transitions. Second operand 6 states. [2020-12-23 08:49:31,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:31,426 INFO L93 Difference]: Finished difference Result 134878 states and 241337 transitions. [2020-12-23 08:49:31,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:49:31,426 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 101 [2020-12-23 08:49:31,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:31,817 INFO L225 Difference]: With dead ends: 134878 [2020-12-23 08:49:31,818 INFO L226 Difference]: Without dead ends: 134704 [2020-12-23 08:49:31,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:49:31,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134704 states. [2020-12-23 08:49:37,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134704 to 134682. [2020-12-23 08:49:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134682 states. [2020-12-23 08:49:38,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134682 states to 134682 states and 241015 transitions. [2020-12-23 08:49:38,463 INFO L78 Accepts]: Start accepts. Automaton has 134682 states and 241015 transitions. Word has length 101 [2020-12-23 08:49:38,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:38,463 INFO L481 AbstractCegarLoop]: Abstraction has 134682 states and 241015 transitions. [2020-12-23 08:49:38,463 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:49:38,463 INFO L276 IsEmpty]: Start isEmpty. Operand 134682 states and 241015 transitions. [2020-12-23 08:49:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 08:49:38,509 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:38,510 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:38,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:49:38,510 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:38,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:38,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1176302839, now seen corresponding path program 1 times [2020-12-23 08:49:38,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:38,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195460948] [2020-12-23 08:49:38,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:38,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195460948] [2020-12-23 08:49:38,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:38,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:38,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581953118] [2020-12-23 08:49:38,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:49:38,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:38,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:49:38,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:49:38,587 INFO L87 Difference]: Start difference. First operand 134682 states and 241015 transitions. Second operand 4 states. [2020-12-23 08:49:46,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:46,623 INFO L93 Difference]: Finished difference Result 202314 states and 361974 transitions. [2020-12-23 08:49:46,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:49:46,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 101 [2020-12-23 08:49:46,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:47,114 INFO L225 Difference]: With dead ends: 202314 [2020-12-23 08:49:47,114 INFO L226 Difference]: Without dead ends: 202208 [2020-12-23 08:49:47,171 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 [2020-12-23 08:49:47,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202208 states. [2020-12-23 08:49:56,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202208 to 201934. [2020-12-23 08:49:56,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201934 states. [2020-12-23 08:49:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201934 states to 201934 states and 361371 transitions. [2020-12-23 08:49:57,411 INFO L78 Accepts]: Start accepts. Automaton has 201934 states and 361371 transitions. Word has length 101 [2020-12-23 08:49:57,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:57,412 INFO L481 AbstractCegarLoop]: Abstraction has 201934 states and 361371 transitions. [2020-12-23 08:49:57,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:49:57,412 INFO L276 IsEmpty]: Start isEmpty. Operand 201934 states and 361371 transitions. [2020-12-23 08:49:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 08:49:57,510 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:57,510 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:57,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:49:57,511 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:57,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:57,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1069276615, now seen corresponding path program 1 times [2020-12-23 08:49:57,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:57,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348271186] [2020-12-23 08:49:57,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:57,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:57,637 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:57,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348271186] [2020-12-23 08:49:57,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:57,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:49:57,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289989800] [2020-12-23 08:49:57,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:57,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:57,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:57,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:57,639 INFO L87 Difference]: Start difference. First operand 201934 states and 361371 transitions. Second operand 9 states. [2020-12-23 08:50:06,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:06,245 INFO L93 Difference]: Finished difference Result 202907 states and 362883 transitions. [2020-12-23 08:50:06,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:50:06,245 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 101 [2020-12-23 08:50:06,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:06,709 INFO L225 Difference]: With dead ends: 202907 [2020-12-23 08:50:06,710 INFO L226 Difference]: Without dead ends: 202745 [2020-12-23 08:50:06,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:50:06,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202745 states. [2020-12-23 08:50:18,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202745 to 201940. [2020-12-23 08:50:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201940 states. [2020-12-23 08:50:19,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201940 states to 201940 states and 361377 transitions. [2020-12-23 08:50:19,261 INFO L78 Accepts]: Start accepts. Automaton has 201940 states and 361377 transitions. Word has length 101 [2020-12-23 08:50:19,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:19,261 INFO L481 AbstractCegarLoop]: Abstraction has 201940 states and 361377 transitions. [2020-12-23 08:50:19,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:50:19,275 INFO L276 IsEmpty]: Start isEmpty. Operand 201940 states and 361377 transitions. [2020-12-23 08:50:19,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:50:19,401 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:19,401 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:19,401 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:50:19,401 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:19,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:19,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1253380482, now seen corresponding path program 1 times [2020-12-23 08:50:19,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:19,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020509882] [2020-12-23 08:50:19,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:19,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:50:19,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020509882] [2020-12-23 08:50:19,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:19,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:50:19,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302848464] [2020-12-23 08:50:19,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:50:19,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:19,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:50:19,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:50:19,622 INFO L87 Difference]: Start difference. First operand 201940 states and 361377 transitions. Second operand 11 states. [2020-12-23 08:50:28,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:28,490 INFO L93 Difference]: Finished difference Result 203011 states and 363038 transitions. [2020-12-23 08:50:28,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-12-23 08:50:28,491 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-12-23 08:50:28,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:29,123 INFO L225 Difference]: With dead ends: 203011 [2020-12-23 08:50:29,123 INFO L226 Difference]: Without dead ends: 202918 [2020-12-23 08:50:29,173 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:50:29,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202918 states. [2020-12-23 08:50:38,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202918 to 202009. [2020-12-23 08:50:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202009 states. [2020-12-23 08:50:39,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202009 states to 202009 states and 361491 transitions. [2020-12-23 08:50:39,365 INFO L78 Accepts]: Start accepts. Automaton has 202009 states and 361491 transitions. Word has length 102 [2020-12-23 08:50:39,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:39,366 INFO L481 AbstractCegarLoop]: Abstraction has 202009 states and 361491 transitions. [2020-12-23 08:50:39,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:50:39,366 INFO L276 IsEmpty]: Start isEmpty. Operand 202009 states and 361491 transitions. [2020-12-23 08:50:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:50:39,443 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:39,443 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:39,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:50:39,444 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:39,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:39,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1179105624, now seen corresponding path program 1 times [2020-12-23 08:50:39,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:39,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851410148] [2020-12-23 08:50:39,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:39,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:39,568 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:50:39,569 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851410148] [2020-12-23 08:50:39,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:39,569 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:50:39,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120274975] [2020-12-23 08:50:39,569 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:50:39,570 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:39,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:50:39,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:50:39,570 INFO L87 Difference]: Start difference. First operand 202009 states and 361491 transitions. Second operand 7 states. [2020-12-23 08:50:47,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:47,820 INFO L93 Difference]: Finished difference Result 202688 states and 362566 transitions. [2020-12-23 08:50:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:50:47,820 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-12-23 08:50:47,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:48,245 INFO L225 Difference]: With dead ends: 202688 [2020-12-23 08:50:48,246 INFO L226 Difference]: Without dead ends: 202436 [2020-12-23 08:50:48,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-12-23 08:50:48,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202436 states. [2020-12-23 08:50:58,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202436 to 202078. [2020-12-23 08:50:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202078 states. [2020-12-23 08:50:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202078 states to 202078 states and 361599 transitions. [2020-12-23 08:50:58,859 INFO L78 Accepts]: Start accepts. Automaton has 202078 states and 361599 transitions. Word has length 102 [2020-12-23 08:50:58,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:58,860 INFO L481 AbstractCegarLoop]: Abstraction has 202078 states and 361599 transitions. [2020-12-23 08:50:58,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:50:58,860 INFO L276 IsEmpty]: Start isEmpty. Operand 202078 states and 361599 transitions. [2020-12-23 08:50:58,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:50:58,956 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:58,956 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:58,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:50:58,956 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:58,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:58,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1753781559, now seen corresponding path program 1 times [2020-12-23 08:50:58,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:58,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153929073] [2020-12-23 08:50:58,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:58,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:59,071 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:50:59,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153929073] [2020-12-23 08:50:59,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:59,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:50:59,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648590992] [2020-12-23 08:50:59,073 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:50:59,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:59,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:50:59,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:50:59,074 INFO L87 Difference]: Start difference. First operand 202078 states and 361599 transitions. Second operand 7 states. [2020-12-23 08:51:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:07,491 INFO L93 Difference]: Finished difference Result 202902 states and 362891 transitions. [2020-12-23 08:51:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 08:51:07,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 102 [2020-12-23 08:51:07,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:07,934 INFO L225 Difference]: With dead ends: 202902 [2020-12-23 08:51:07,935 INFO L226 Difference]: Without dead ends: 202629 [2020-12-23 08:51:07,984 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-12-23 08:51:08,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202629 states. [2020-12-23 08:51:19,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202629 to 202105. [2020-12-23 08:51:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202105 states. [2020-12-23 08:51:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202105 states to 202105 states and 361642 transitions. [2020-12-23 08:51:20,655 INFO L78 Accepts]: Start accepts. Automaton has 202105 states and 361642 transitions. Word has length 102 [2020-12-23 08:51:20,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:20,656 INFO L481 AbstractCegarLoop]: Abstraction has 202105 states and 361642 transitions. [2020-12-23 08:51:20,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 08:51:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 202105 states and 361642 transitions. [2020-12-23 08:51:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 08:51:20,769 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:20,769 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:20,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:51:20,769 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:20,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:20,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1905720096, now seen corresponding path program 1 times [2020-12-23 08:51:20,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:20,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359257264] [2020-12-23 08:51:20,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:20,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:51:20,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359257264] [2020-12-23 08:51:20,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:20,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:51:20,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484762374] [2020-12-23 08:51:20,907 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:51:20,907 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:20,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:51:20,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:51:20,908 INFO L87 Difference]: Start difference. First operand 202105 states and 361642 transitions. Second operand 6 states. [2020-12-23 08:51:33,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:33,182 INFO L93 Difference]: Finished difference Result 302682 states and 541187 transitions. [2020-12-23 08:51:33,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:51:33,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2020-12-23 08:51:33,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:34,049 INFO L225 Difference]: With dead ends: 302682 [2020-12-23 08:51:34,049 INFO L226 Difference]: Without dead ends: 302596 [2020-12-23 08:51:34,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:51:34,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302596 states. [2020-12-23 08:51:48,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302596 to 301903. [2020-12-23 08:51:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301903 states.