/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec8_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:08:50,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:08:50,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:08:50,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:08:50,737 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:08:50,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:08:50,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:08:50,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:08:50,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:08:50,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:08:50,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:08:50,768 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:08:50,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:08:50,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:08:50,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:08:50,776 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:08:50,778 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:08:50,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:08:50,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:08:50,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:08:50,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:08:50,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:08:50,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:08:50,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:08:50,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:08:50,819 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:08:50,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:08:50,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:08:50,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:08:50,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:08:50,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:08:50,825 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:08:50,828 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:08:50,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:08:50,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:08:50,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:08:50,831 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:08:50,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:08:50,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:08:50,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:08:50,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:08:50,842 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:08:50,892 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:08:50,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:08:50,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:08:50,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:08:50,898 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:08:50,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:08:50,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:08:50,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:08:50,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:08:50,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:08:50,900 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:08:50,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:08:50,901 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:08:50,901 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:08:50,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:08:50,901 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:08:50,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:08:50,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:08:50,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:08:50,902 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:08:50,902 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:08:50,919 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:08:50,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:08:50,920 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:08:50,920 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:08:50,920 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:08:51,307 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:08:51,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:08:51,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:08:51,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:08:51,348 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:08:51,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2020-12-23 09:08:51,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bb4074363/d27effd9177742798d58f071e902006f/FLAG89e40c95a [2020-12-23 09:08:52,346 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:08:52,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c [2020-12-23 09:08:52,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bb4074363/d27effd9177742798d58f071e902006f/FLAG89e40c95a [2020-12-23 09:08:52,458 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/bb4074363/d27effd9177742798d58f071e902006f [2020-12-23 09:08:52,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:08:52,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:08:52,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:08:52,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:08:52,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:08:52,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:52,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5571170c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:52, skipping insertion in model container [2020-12-23 09:08:52,478 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:08:52" (1/1) ... [2020-12-23 09:08:52,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:08:52,587 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] 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~21,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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_tmp4~1,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 09:08:53,412 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c[51358,51371] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] 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[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] 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~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:08:53,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:08:53,530 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] 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~21,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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_tmp4~1,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 09:08:53,753 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec8_product16.cil.c[51358,51371] left hand side expression in assignment: lhs: VariableLHS[~in_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] 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[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] 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~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:08:53,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:08:53,904 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:08:53,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53 WrapperNode [2020-12-23 09:08:53,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:08:53,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:08:53,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:08:53,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:08:53,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... [2020-12-23 09:08:53,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... [2020-12-23 09:08:54,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:08:54,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:08:54,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:08:54,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:08:54,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... [2020-12-23 09:08:54,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... [2020-12-23 09:08:54,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... [2020-12-23 09:08:54,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... [2020-12-23 09:08:54,207 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... [2020-12-23 09:08:54,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... [2020-12-23 09:08:54,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... [2020-12-23 09:08:54,272 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:08:54,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:08:54,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:08:54,273 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:08:54,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:08:54,380 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:08:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:08:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:08:54,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:08:54,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:08:56,530 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:08:56,531 INFO L299 CfgBuilder]: Removed 295 assume(true) statements. [2020-12-23 09:08:56,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:08:56 BoogieIcfgContainer [2020-12-23 09:08:56,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:08:56,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:08:56,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:08:56,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:08:56,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:08:52" (1/3) ... [2020-12-23 09:08:56,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c1d20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:08:56, skipping insertion in model container [2020-12-23 09:08:56,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:08:53" (2/3) ... [2020-12-23 09:08:56,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c1d20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:08:56, skipping insertion in model container [2020-12-23 09:08:56,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:08:56" (3/3) ... [2020-12-23 09:08:56,543 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product16.cil.c [2020-12-23 09:08:56,550 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:08:56,556 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 09:08:56,576 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 09:08:56,608 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:08:56,608 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:08:56,608 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:08:56,609 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:08:56,609 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:08:56,609 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:08:56,609 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:08:56,609 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:08:56,635 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states. [2020-12-23 09:08:56,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-23 09:08:56,649 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:56,650 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 09:08:56,651 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:56,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:56,657 INFO L82 PathProgramCache]: Analyzing trace with hash 827013746, now seen corresponding path program 1 times [2020-12-23 09:08:56,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:56,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326731038] [2020-12-23 09:08:56,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:57,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:57,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326731038] [2020-12-23 09:08:57,160 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:57,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:57,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261944556] [2020-12-23 09:08:57,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:57,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:57,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:57,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:57,192 INFO L87 Difference]: Start difference. First operand 451 states. Second operand 3 states. [2020-12-23 09:08:57,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:57,406 INFO L93 Difference]: Finished difference Result 1318 states and 2288 transitions. [2020-12-23 09:08:57,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:57,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2020-12-23 09:08:57,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:57,446 INFO L225 Difference]: With dead ends: 1318 [2020-12-23 09:08:57,446 INFO L226 Difference]: Without dead ends: 750 [2020-12-23 09:08:57,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:57,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2020-12-23 09:08:57,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 384. [2020-12-23 09:08:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-12-23 09:08:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 666 transitions. [2020-12-23 09:08:57,579 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 666 transitions. Word has length 41 [2020-12-23 09:08:57,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:57,579 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 666 transitions. [2020-12-23 09:08:57,579 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:57,579 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 666 transitions. [2020-12-23 09:08:57,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 09:08:57,584 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:57,584 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 09:08:57,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:08:57,584 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:57,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:57,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1561724417, now seen corresponding path program 1 times [2020-12-23 09:08:57,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:57,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447808627] [2020-12-23 09:08:57,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:57,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:57,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447808627] [2020-12-23 09:08:57,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:57,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:57,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251639490] [2020-12-23 09:08:57,772 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:57,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:57,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:57,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:57,774 INFO L87 Difference]: Start difference. First operand 384 states and 666 transitions. Second operand 5 states. [2020-12-23 09:08:57,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:57,991 INFO L93 Difference]: Finished difference Result 1101 states and 1914 transitions. [2020-12-23 09:08:57,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:08:57,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2020-12-23 09:08:57,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:57,997 INFO L225 Difference]: With dead ends: 1101 [2020-12-23 09:08:57,998 INFO L226 Difference]: Without dead ends: 736 [2020-12-23 09:08:58,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:08:58,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2020-12-23 09:08:58,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 384. [2020-12-23 09:08:58,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-12-23 09:08:58,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 665 transitions. [2020-12-23 09:08:58,025 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 665 transitions. Word has length 43 [2020-12-23 09:08:58,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:58,025 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 665 transitions. [2020-12-23 09:08:58,025 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:58,025 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 665 transitions. [2020-12-23 09:08:58,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 09:08:58,029 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:58,029 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 09:08:58,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:08:58,030 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:58,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:58,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1671434094, now seen corresponding path program 1 times [2020-12-23 09:08:58,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:58,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508630025] [2020-12-23 09:08:58,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:58,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:58,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508630025] [2020-12-23 09:08:58,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:58,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:58,205 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363992331] [2020-12-23 09:08:58,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:58,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:58,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:58,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:58,207 INFO L87 Difference]: Start difference. First operand 384 states and 665 transitions. Second operand 3 states. [2020-12-23 09:08:58,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:58,248 INFO L93 Difference]: Finished difference Result 750 states and 1304 transitions. [2020-12-23 09:08:58,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:58,249 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 09:08:58,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:58,252 INFO L225 Difference]: With dead ends: 750 [2020-12-23 09:08:58,252 INFO L226 Difference]: Without dead ends: 389 [2020-12-23 09:08:58,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:58,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2020-12-23 09:08:58,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 384. [2020-12-23 09:08:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-12-23 09:08:58,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 664 transitions. [2020-12-23 09:08:58,272 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 664 transitions. Word has length 44 [2020-12-23 09:08:58,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:58,272 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 664 transitions. [2020-12-23 09:08:58,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:58,273 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 664 transitions. [2020-12-23 09:08:58,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 09:08:58,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:58,275 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 09:08:58,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:08:58,275 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:58,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:58,276 INFO L82 PathProgramCache]: Analyzing trace with hash 2033694732, now seen corresponding path program 1 times [2020-12-23 09:08:58,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:58,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265396860] [2020-12-23 09:08:58,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:58,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:58,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265396860] [2020-12-23 09:08:58,363 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:58,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:58,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88650412] [2020-12-23 09:08:58,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:58,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:58,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:58,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:58,365 INFO L87 Difference]: Start difference. First operand 384 states and 664 transitions. Second operand 3 states. [2020-12-23 09:08:58,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:58,407 INFO L93 Difference]: Finished difference Result 760 states and 1317 transitions. [2020-12-23 09:08:58,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:58,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 09:08:58,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:58,411 INFO L225 Difference]: With dead ends: 760 [2020-12-23 09:08:58,411 INFO L226 Difference]: Without dead ends: 384 [2020-12-23 09:08:58,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:58,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2020-12-23 09:08:58,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2020-12-23 09:08:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-12-23 09:08:58,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 662 transitions. [2020-12-23 09:08:58,431 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 662 transitions. Word has length 45 [2020-12-23 09:08:58,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:58,432 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 662 transitions. [2020-12-23 09:08:58,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:58,432 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 662 transitions. [2020-12-23 09:08:58,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 09:08:58,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:58,434 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 09:08:58,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:08:58,434 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:58,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:58,435 INFO L82 PathProgramCache]: Analyzing trace with hash 99112535, now seen corresponding path program 1 times [2020-12-23 09:08:58,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:58,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180702940] [2020-12-23 09:08:58,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:58,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:58,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180702940] [2020-12-23 09:08:58,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:58,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:58,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923546670] [2020-12-23 09:08:58,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:58,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:58,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:58,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:58,520 INFO L87 Difference]: Start difference. First operand 384 states and 662 transitions. Second operand 5 states. [2020-12-23 09:08:58,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:58,696 INFO L93 Difference]: Finished difference Result 1091 states and 1894 transitions. [2020-12-23 09:08:58,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:08:58,697 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 09:08:58,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:58,702 INFO L225 Difference]: With dead ends: 1091 [2020-12-23 09:08:58,702 INFO L226 Difference]: Without dead ends: 734 [2020-12-23 09:08:58,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:08:58,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2020-12-23 09:08:58,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 384. [2020-12-23 09:08:58,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-12-23 09:08:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 661 transitions. [2020-12-23 09:08:58,729 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 661 transitions. Word has length 46 [2020-12-23 09:08:58,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:58,729 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 661 transitions. [2020-12-23 09:08:58,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 661 transitions. [2020-12-23 09:08:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 09:08:58,730 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:58,731 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 09:08:58,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:08:58,731 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:58,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:58,732 INFO L82 PathProgramCache]: Analyzing trace with hash -662962732, now seen corresponding path program 1 times [2020-12-23 09:08:58,732 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:58,732 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755712307] [2020-12-23 09:08:58,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:58,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755712307] [2020-12-23 09:08:58,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:58,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:08:58,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428779919] [2020-12-23 09:08:58,884 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:08:58,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:58,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:08:58,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:08:58,886 INFO L87 Difference]: Start difference. First operand 384 states and 661 transitions. Second operand 5 states. [2020-12-23 09:08:59,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:59,070 INFO L93 Difference]: Finished difference Result 1096 states and 1899 transitions. [2020-12-23 09:08:59,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:08:59,071 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 09:08:59,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:59,076 INFO L225 Difference]: With dead ends: 1096 [2020-12-23 09:08:59,076 INFO L226 Difference]: Without dead ends: 739 [2020-12-23 09:08:59,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:08:59,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2020-12-23 09:08:59,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 384. [2020-12-23 09:08:59,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2020-12-23 09:08:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 660 transitions. [2020-12-23 09:08:59,108 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 660 transitions. Word has length 47 [2020-12-23 09:08:59,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:59,108 INFO L481 AbstractCegarLoop]: Abstraction has 384 states and 660 transitions. [2020-12-23 09:08:59,108 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:08:59,108 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 660 transitions. [2020-12-23 09:08:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 09:08:59,110 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:59,111 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:08:59,111 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:08:59,111 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:59,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:59,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1995610556, now seen corresponding path program 1 times [2020-12-23 09:08:59,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:59,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475198637] [2020-12-23 09:08:59,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:59,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475198637] [2020-12-23 09:08:59,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:59,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:59,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090186729] [2020-12-23 09:08:59,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:59,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:59,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:59,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:59,225 INFO L87 Difference]: Start difference. First operand 384 states and 660 transitions. Second operand 3 states. [2020-12-23 09:08:59,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:59,259 INFO L93 Difference]: Finished difference Result 530 states and 896 transitions. [2020-12-23 09:08:59,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:59,260 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 09:08:59,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:59,263 INFO L225 Difference]: With dead ends: 530 [2020-12-23 09:08:59,263 INFO L226 Difference]: Without dead ends: 387 [2020-12-23 09:08:59,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:59,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2020-12-23 09:08:59,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 386. [2020-12-23 09:08:59,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2020-12-23 09:08:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 662 transitions. [2020-12-23 09:08:59,295 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 662 transitions. Word has length 48 [2020-12-23 09:08:59,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:59,295 INFO L481 AbstractCegarLoop]: Abstraction has 386 states and 662 transitions. [2020-12-23 09:08:59,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 662 transitions. [2020-12-23 09:08:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:08:59,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:59,297 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] [2020-12-23 09:08:59,297 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:08:59,297 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:59,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:59,298 INFO L82 PathProgramCache]: Analyzing trace with hash 146696318, now seen corresponding path program 1 times [2020-12-23 09:08:59,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:59,298 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076132348] [2020-12-23 09:08:59,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:59,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:59,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076132348] [2020-12-23 09:08:59,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:08:59,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:08:59,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103478188] [2020-12-23 09:08:59,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:08:59,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:08:59,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:08:59,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:59,408 INFO L87 Difference]: Start difference. First operand 386 states and 662 transitions. Second operand 3 states. [2020-12-23 09:08:59,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:08:59,469 INFO L93 Difference]: Finished difference Result 1044 states and 1810 transitions. [2020-12-23 09:08:59,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:08:59,469 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-23 09:08:59,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:08:59,474 INFO L225 Difference]: With dead ends: 1044 [2020-12-23 09:08:59,474 INFO L226 Difference]: Without dead ends: 689 [2020-12-23 09:08:59,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:08:59,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2020-12-23 09:08:59,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 546. [2020-12-23 09:08:59,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-12-23 09:08:59,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 955 transitions. [2020-12-23 09:08:59,539 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 955 transitions. Word has length 54 [2020-12-23 09:08:59,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:08:59,542 INFO L481 AbstractCegarLoop]: Abstraction has 546 states and 955 transitions. [2020-12-23 09:08:59,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:08:59,542 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 955 transitions. [2020-12-23 09:08:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 09:08:59,543 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:08:59,544 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] [2020-12-23 09:08:59,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:08:59,546 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:08:59,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:08:59,546 INFO L82 PathProgramCache]: Analyzing trace with hash -409688641, now seen corresponding path program 1 times [2020-12-23 09:08:59,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:08:59,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611114934] [2020-12-23 09:08:59,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:08:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:08:59,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:08:59,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611114934] [2020-12-23 09:08:59,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739980535] [2020-12-23 09:08:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:09:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:00,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:09:00,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:09:00,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:09:00,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 09:09:00,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 09:09:00,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624340422] [2020-12-23 09:09:00,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:00,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:00,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:00,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:00,127 INFO L87 Difference]: Start difference. First operand 546 states and 955 transitions. Second operand 3 states. [2020-12-23 09:09:00,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:00,172 INFO L93 Difference]: Finished difference Result 647 states and 1117 transitions. [2020-12-23 09:09:00,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:00,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 09:09:00,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:00,176 INFO L225 Difference]: With dead ends: 647 [2020-12-23 09:09:00,177 INFO L226 Difference]: Without dead ends: 540 [2020-12-23 09:09:00,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:00,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2020-12-23 09:09:00,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2020-12-23 09:09:00,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2020-12-23 09:09:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 946 transitions. [2020-12-23 09:09:00,245 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 946 transitions. Word has length 55 [2020-12-23 09:09:00,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:00,246 INFO L481 AbstractCegarLoop]: Abstraction has 540 states and 946 transitions. [2020-12-23 09:09:00,246 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:00,246 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 946 transitions. [2020-12-23 09:09:00,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 09:09:00,249 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:00,249 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] [2020-12-23 09:09:00,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 09:09:00,464 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:00,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:00,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1921623199, now seen corresponding path program 1 times [2020-12-23 09:09:00,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:00,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061826789] [2020-12-23 09:09:00,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:00,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:00,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061826789] [2020-12-23 09:09:00,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759948939] [2020-12-23 09:09:00,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:09:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:00,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 1080 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:09:00,993 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:09:01,113 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:01,114 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:09:01,114 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:09:01,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453649544] [2020-12-23 09:09:01,115 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:09:01,115 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:01,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:09:01,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:01,116 INFO L87 Difference]: Start difference. First operand 540 states and 946 transitions. Second operand 5 states. [2020-12-23 09:09:01,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:01,198 INFO L93 Difference]: Finished difference Result 1030 states and 1786 transitions. [2020-12-23 09:09:01,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:09:01,199 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2020-12-23 09:09:01,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:01,205 INFO L225 Difference]: With dead ends: 1030 [2020-12-23 09:09:01,205 INFO L226 Difference]: Without dead ends: 893 [2020-12-23 09:09:01,206 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:01,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 893 states. [2020-12-23 09:09:01,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 893 to 754. [2020-12-23 09:09:01,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2020-12-23 09:09:01,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 1336 transitions. [2020-12-23 09:09:01,267 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 1336 transitions. Word has length 86 [2020-12-23 09:09:01,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:01,267 INFO L481 AbstractCegarLoop]: Abstraction has 754 states and 1336 transitions. [2020-12-23 09:09:01,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:09:01,267 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 1336 transitions. [2020-12-23 09:09:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-12-23 09:09:01,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:01,270 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:09:01,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 09:09:01,486 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:01,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:01,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1092718708, now seen corresponding path program 1 times [2020-12-23 09:09:01,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:01,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995788961] [2020-12-23 09:09:01,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:01,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:01,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995788961] [2020-12-23 09:09:01,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:01,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:01,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537288340] [2020-12-23 09:09:01,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:01,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:01,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:01,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:01,595 INFO L87 Difference]: Start difference. First operand 754 states and 1336 transitions. Second operand 3 states. [2020-12-23 09:09:01,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:01,687 INFO L93 Difference]: Finished difference Result 1928 states and 3432 transitions. [2020-12-23 09:09:01,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:01,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2020-12-23 09:09:01,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:01,701 INFO L225 Difference]: With dead ends: 1928 [2020-12-23 09:09:01,701 INFO L226 Difference]: Without dead ends: 1263 [2020-12-23 09:09:01,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:01,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2020-12-23 09:09:01,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1126. [2020-12-23 09:09:01,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2020-12-23 09:09:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 2014 transitions. [2020-12-23 09:09:01,777 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 2014 transitions. Word has length 92 [2020-12-23 09:09:01,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:01,778 INFO L481 AbstractCegarLoop]: Abstraction has 1126 states and 2014 transitions. [2020-12-23 09:09:01,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2014 transitions. [2020-12-23 09:09:01,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 09:09:01,782 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:01,782 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:09:01,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:09:01,782 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:01,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:01,783 INFO L82 PathProgramCache]: Analyzing trace with hash -617460444, now seen corresponding path program 2 times [2020-12-23 09:09:01,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:01,783 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356509763] [2020-12-23 09:09:01,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:01,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356509763] [2020-12-23 09:09:01,882 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:01,882 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:09:01,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865320015] [2020-12-23 09:09:01,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:09:01,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:01,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:09:01,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:01,883 INFO L87 Difference]: Start difference. First operand 1126 states and 2014 transitions. Second operand 5 states. [2020-12-23 09:09:02,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:02,008 INFO L93 Difference]: Finished difference Result 2142 states and 3820 transitions. [2020-12-23 09:09:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:09:02,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-12-23 09:09:02,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:02,017 INFO L225 Difference]: With dead ends: 2142 [2020-12-23 09:09:02,017 INFO L226 Difference]: Without dead ends: 1263 [2020-12-23 09:09:02,022 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:09:02,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2020-12-23 09:09:02,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1126. [2020-12-23 09:09:02,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2020-12-23 09:09:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 2012 transitions. [2020-12-23 09:09:02,149 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 2012 transitions. Word has length 93 [2020-12-23 09:09:02,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:02,149 INFO L481 AbstractCegarLoop]: Abstraction has 1126 states and 2012 transitions. [2020-12-23 09:09:02,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:09:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 2012 transitions. [2020-12-23 09:09:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-23 09:09:02,153 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:02,153 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 09:09:02,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:09:02,155 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:02,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:02,155 INFO L82 PathProgramCache]: Analyzing trace with hash 2132124739, now seen corresponding path program 1 times [2020-12-23 09:09:02,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:02,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480826856] [2020-12-23 09:09:02,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:02,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:02,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480826856] [2020-12-23 09:09:02,261 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:02,261 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:02,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402359634] [2020-12-23 09:09:02,262 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:02,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:02,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:02,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:02,264 INFO L87 Difference]: Start difference. First operand 1126 states and 2012 transitions. Second operand 3 states. [2020-12-23 09:09:02,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:02,411 INFO L93 Difference]: Finished difference Result 3016 states and 5415 transitions. [2020-12-23 09:09:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:02,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2020-12-23 09:09:02,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:02,424 INFO L225 Difference]: With dead ends: 3016 [2020-12-23 09:09:02,424 INFO L226 Difference]: Without dead ends: 1987 [2020-12-23 09:09:02,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:02,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2020-12-23 09:09:02,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1850. [2020-12-23 09:09:02,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1850 states. [2020-12-23 09:09:02,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1850 states and 3331 transitions. [2020-12-23 09:09:02,577 INFO L78 Accepts]: Start accepts. Automaton has 1850 states and 3331 transitions. Word has length 93 [2020-12-23 09:09:02,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:02,577 INFO L481 AbstractCegarLoop]: Abstraction has 1850 states and 3331 transitions. [2020-12-23 09:09:02,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:02,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1850 states and 3331 transitions. [2020-12-23 09:09:02,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-12-23 09:09:02,582 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:02,582 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 09:09:02,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:09:02,584 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:02,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:02,584 INFO L82 PathProgramCache]: Analyzing trace with hash -555911114, now seen corresponding path program 1 times [2020-12-23 09:09:02,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:02,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9123982] [2020-12-23 09:09:02,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:02,692 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 09:09:02,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9123982] [2020-12-23 09:09:02,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:02,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:02,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987683576] [2020-12-23 09:09:02,697 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:02,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:02,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:02,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:02,698 INFO L87 Difference]: Start difference. First operand 1850 states and 3331 transitions. Second operand 3 states. [2020-12-23 09:09:02,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:02,966 INFO L93 Difference]: Finished difference Result 4924 states and 8891 transitions. [2020-12-23 09:09:02,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:02,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2020-12-23 09:09:02,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:02,994 INFO L225 Difference]: With dead ends: 4924 [2020-12-23 09:09:02,995 INFO L226 Difference]: Without dead ends: 3205 [2020-12-23 09:09:03,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:03,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3205 states. [2020-12-23 09:09:03,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3205 to 3068. [2020-12-23 09:09:03,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3068 states. [2020-12-23 09:09:03,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3068 states to 3068 states and 5544 transitions. [2020-12-23 09:09:03,256 INFO L78 Accepts]: Start accepts. Automaton has 3068 states and 5544 transitions. Word has length 94 [2020-12-23 09:09:03,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:03,256 INFO L481 AbstractCegarLoop]: Abstraction has 3068 states and 5544 transitions. [2020-12-23 09:09:03,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 5544 transitions. [2020-12-23 09:09:03,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 09:09:03,270 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:03,271 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 09:09:03,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:09:03,271 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:03,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:03,272 INFO L82 PathProgramCache]: Analyzing trace with hash 109527380, now seen corresponding path program 1 times [2020-12-23 09:09:03,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:03,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501615269] [2020-12-23 09:09:03,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:03,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:03,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501615269] [2020-12-23 09:09:03,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:03,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:03,381 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789333078] [2020-12-23 09:09:03,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:03,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:03,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:03,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:03,383 INFO L87 Difference]: Start difference. First operand 3068 states and 5544 transitions. Second operand 3 states. [2020-12-23 09:09:03,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:03,733 INFO L93 Difference]: Finished difference Result 8294 states and 15013 transitions. [2020-12-23 09:09:03,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:03,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2020-12-23 09:09:03,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:03,764 INFO L225 Difference]: With dead ends: 8294 [2020-12-23 09:09:03,765 INFO L226 Difference]: Without dead ends: 5391 [2020-12-23 09:09:03,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:03,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5391 states. [2020-12-23 09:09:04,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5391 to 5254. [2020-12-23 09:09:04,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5254 states. [2020-12-23 09:09:04,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 9505 transitions. [2020-12-23 09:09:04,157 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 9505 transitions. Word has length 95 [2020-12-23 09:09:04,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:04,158 INFO L481 AbstractCegarLoop]: Abstraction has 5254 states and 9505 transitions. [2020-12-23 09:09:04,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:04,158 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 9505 transitions. [2020-12-23 09:09:04,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 09:09:04,170 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:04,171 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] [2020-12-23 09:09:04,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:09:04,171 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:04,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:04,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1824711800, now seen corresponding path program 1 times [2020-12-23 09:09:04,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:04,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512175727] [2020-12-23 09:09:04,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:04,263 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:09:04,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512175727] [2020-12-23 09:09:04,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:04,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:09:04,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109182653] [2020-12-23 09:09:04,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:09:04,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:04,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:09:04,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:04,266 INFO L87 Difference]: Start difference. First operand 5254 states and 9505 transitions. Second operand 5 states. [2020-12-23 09:09:05,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:05,149 INFO L93 Difference]: Finished difference Result 14981 states and 27132 transitions. [2020-12-23 09:09:05,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:09:05,150 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 96 [2020-12-23 09:09:05,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:05,213 INFO L225 Difference]: With dead ends: 14981 [2020-12-23 09:09:05,213 INFO L226 Difference]: Without dead ends: 9974 [2020-12-23 09:09:05,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:09:05,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9974 states. [2020-12-23 09:09:05,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9974 to 5254. [2020-12-23 09:09:05,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5254 states. [2020-12-23 09:09:05,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5254 states to 5254 states and 9455 transitions. [2020-12-23 09:09:05,683 INFO L78 Accepts]: Start accepts. Automaton has 5254 states and 9455 transitions. Word has length 96 [2020-12-23 09:09:05,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:05,683 INFO L481 AbstractCegarLoop]: Abstraction has 5254 states and 9455 transitions. [2020-12-23 09:09:05,683 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:09:05,683 INFO L276 IsEmpty]: Start isEmpty. Operand 5254 states and 9455 transitions. [2020-12-23 09:09:05,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-23 09:09:05,697 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:05,697 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 09:09:05,697 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:09:05,697 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:05,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:05,698 INFO L82 PathProgramCache]: Analyzing trace with hash 1955812199, now seen corresponding path program 1 times [2020-12-23 09:09:05,698 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:05,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133885340] [2020-12-23 09:09:05,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:09:05,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133885340] [2020-12-23 09:09:05,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:05,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:09:05,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713736297] [2020-12-23 09:09:05,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:09:05,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:05,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:09:05,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:05,796 INFO L87 Difference]: Start difference. First operand 5254 states and 9455 transitions. Second operand 3 states. [2020-12-23 09:09:06,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:06,532 INFO L93 Difference]: Finished difference Result 15178 states and 27360 transitions. [2020-12-23 09:09:06,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:09:06,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2020-12-23 09:09:06,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:06,566 INFO L225 Difference]: With dead ends: 15178 [2020-12-23 09:09:06,567 INFO L226 Difference]: Without dead ends: 10097 [2020-12-23 09:09:06,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:09:06,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10097 states. [2020-12-23 09:09:07,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10097 to 9960. [2020-12-23 09:09:07,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9960 states. [2020-12-23 09:09:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9960 states to 9960 states and 17936 transitions. [2020-12-23 09:09:07,300 INFO L78 Accepts]: Start accepts. Automaton has 9960 states and 17936 transitions. Word has length 96 [2020-12-23 09:09:07,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:07,300 INFO L481 AbstractCegarLoop]: Abstraction has 9960 states and 17936 transitions. [2020-12-23 09:09:07,300 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:09:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 9960 states and 17936 transitions. [2020-12-23 09:09:07,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 09:09:07,319 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:07,320 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] [2020-12-23 09:09:07,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:09:07,320 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:07,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:07,321 INFO L82 PathProgramCache]: Analyzing trace with hash 395041395, now seen corresponding path program 1 times [2020-12-23 09:09:07,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:07,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404739051] [2020-12-23 09:09:07,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:07,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:07,601 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404739051] [2020-12-23 09:09:07,601 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:07,601 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:09:07,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768175301] [2020-12-23 09:09:07,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:09:07,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:07,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:09:07,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:09:07,605 INFO L87 Difference]: Start difference. First operand 9960 states and 17936 transitions. Second operand 9 states. [2020-12-23 09:09:09,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:09,846 INFO L93 Difference]: Finished difference Result 20425 states and 36654 transitions. [2020-12-23 09:09:09,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:09:09,846 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2020-12-23 09:09:09,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:09,908 INFO L225 Difference]: With dead ends: 20425 [2020-12-23 09:09:09,908 INFO L226 Difference]: Without dead ends: 20308 [2020-12-23 09:09:09,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 09:09:09,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20308 states. [2020-12-23 09:09:11,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20308 to 19721. [2020-12-23 09:09:11,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19721 states. [2020-12-23 09:09:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19721 states to 19721 states and 35538 transitions. [2020-12-23 09:09:11,140 INFO L78 Accepts]: Start accepts. Automaton has 19721 states and 35538 transitions. Word has length 97 [2020-12-23 09:09:11,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:11,140 INFO L481 AbstractCegarLoop]: Abstraction has 19721 states and 35538 transitions. [2020-12-23 09:09:11,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:09:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 19721 states and 35538 transitions. [2020-12-23 09:09:11,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 09:09:11,181 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:11,181 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 09:09:11,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:09:11,182 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:11,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:11,182 INFO L82 PathProgramCache]: Analyzing trace with hash -534947137, now seen corresponding path program 1 times [2020-12-23 09:09:11,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:11,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427892598] [2020-12-23 09:09:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:11,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427892598] [2020-12-23 09:09:11,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:11,271 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:09:11,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118299046] [2020-12-23 09:09:11,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:09:11,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:11,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:09:11,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:09:11,274 INFO L87 Difference]: Start difference. First operand 19721 states and 35538 transitions. Second operand 4 states. [2020-12-23 09:09:12,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:12,157 INFO L93 Difference]: Finished difference Result 19924 states and 35860 transitions. [2020-12-23 09:09:12,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:09:12,158 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2020-12-23 09:09:12,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:12,223 INFO L225 Difference]: With dead ends: 19924 [2020-12-23 09:09:12,224 INFO L226 Difference]: Without dead ends: 19792 [2020-12-23 09:09:12,235 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:12,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19792 states. [2020-12-23 09:09:13,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19792 to 19720. [2020-12-23 09:09:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19720 states. [2020-12-23 09:09:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19720 states to 19720 states and 35534 transitions. [2020-12-23 09:09:13,961 INFO L78 Accepts]: Start accepts. Automaton has 19720 states and 35534 transitions. Word has length 98 [2020-12-23 09:09:13,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:13,962 INFO L481 AbstractCegarLoop]: Abstraction has 19720 states and 35534 transitions. [2020-12-23 09:09:13,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:09:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 19720 states and 35534 transitions. [2020-12-23 09:09:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:09:13,995 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:13,995 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:09:13,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:09:13,995 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:13,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:13,996 INFO L82 PathProgramCache]: Analyzing trace with hash 2064431701, now seen corresponding path program 1 times [2020-12-23 09:09:13,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:13,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459028327] [2020-12-23 09:09:13,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:14,088 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:14,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459028327] [2020-12-23 09:09:14,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:14,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:09:14,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823061209] [2020-12-23 09:09:14,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:09:14,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:14,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:09:14,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:09:14,091 INFO L87 Difference]: Start difference. First operand 19720 states and 35534 transitions. Second operand 6 states. [2020-12-23 09:09:15,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:15,085 INFO L93 Difference]: Finished difference Result 19946 states and 35893 transitions. [2020-12-23 09:09:15,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:09:15,086 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2020-12-23 09:09:15,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:15,144 INFO L225 Difference]: With dead ends: 19946 [2020-12-23 09:09:15,145 INFO L226 Difference]: Without dead ends: 19730 [2020-12-23 09:09:15,151 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 09:09:15,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19730 states. [2020-12-23 09:09:16,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19730 to 19708. [2020-12-23 09:09:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19708 states. [2020-12-23 09:09:16,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19708 states to 19708 states and 35507 transitions. [2020-12-23 09:09:16,256 INFO L78 Accepts]: Start accepts. Automaton has 19708 states and 35507 transitions. Word has length 99 [2020-12-23 09:09:16,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:16,256 INFO L481 AbstractCegarLoop]: Abstraction has 19708 states and 35507 transitions. [2020-12-23 09:09:16,256 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:09:16,257 INFO L276 IsEmpty]: Start isEmpty. Operand 19708 states and 35507 transitions. [2020-12-23 09:09:16,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:09:16,393 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:16,393 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 09:09:16,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:09:16,393 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:16,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:16,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1335898615, now seen corresponding path program 1 times [2020-12-23 09:09:16,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:16,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143100526] [2020-12-23 09:09:16,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:16,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143100526] [2020-12-23 09:09:16,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:16,572 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:09:16,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739457138] [2020-12-23 09:09:16,572 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:09:16,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:16,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:09:16,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:09:16,574 INFO L87 Difference]: Start difference. First operand 19708 states and 35507 transitions. Second operand 9 states. [2020-12-23 09:09:18,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:18,955 INFO L93 Difference]: Finished difference Result 40071 states and 72020 transitions. [2020-12-23 09:09:18,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 09:09:18,955 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 99 [2020-12-23 09:09:18,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:19,160 INFO L225 Difference]: With dead ends: 40071 [2020-12-23 09:09:19,160 INFO L226 Difference]: Without dead ends: 39867 [2020-12-23 09:09:19,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-12-23 09:09:19,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39867 states. [2020-12-23 09:09:20,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39867 to 39137. [2020-12-23 09:09:20,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39137 states. [2020-12-23 09:09:21,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39137 states to 39137 states and 70539 transitions. [2020-12-23 09:09:21,031 INFO L78 Accepts]: Start accepts. Automaton has 39137 states and 70539 transitions. Word has length 99 [2020-12-23 09:09:21,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:21,031 INFO L481 AbstractCegarLoop]: Abstraction has 39137 states and 70539 transitions. [2020-12-23 09:09:21,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:09:21,032 INFO L276 IsEmpty]: Start isEmpty. Operand 39137 states and 70539 transitions. [2020-12-23 09:09:21,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-23 09:09:21,075 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:21,076 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 09:09:21,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:09:21,076 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:21,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:21,077 INFO L82 PathProgramCache]: Analyzing trace with hash -442412277, now seen corresponding path program 1 times [2020-12-23 09:09:21,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:21,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083083454] [2020-12-23 09:09:21,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:21,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:21,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083083454] [2020-12-23 09:09:21,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:21,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:09:21,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344358641] [2020-12-23 09:09:21,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:09:21,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:21,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:09:21,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:09:21,239 INFO L87 Difference]: Start difference. First operand 39137 states and 70539 transitions. Second operand 10 states. [2020-12-23 09:09:23,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:23,820 INFO L93 Difference]: Finished difference Result 41206 states and 73693 transitions. [2020-12-23 09:09:23,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-23 09:09:23,821 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 99 [2020-12-23 09:09:23,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:23,885 INFO L225 Difference]: With dead ends: 41206 [2020-12-23 09:09:23,885 INFO L226 Difference]: Without dead ends: 40935 [2020-12-23 09:09:23,895 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2020-12-23 09:09:23,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40935 states. [2020-12-23 09:09:25,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40935 to 39161. [2020-12-23 09:09:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39161 states. [2020-12-23 09:09:26,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39161 states to 39161 states and 70571 transitions. [2020-12-23 09:09:26,040 INFO L78 Accepts]: Start accepts. Automaton has 39161 states and 70571 transitions. Word has length 99 [2020-12-23 09:09:26,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:26,041 INFO L481 AbstractCegarLoop]: Abstraction has 39161 states and 70571 transitions. [2020-12-23 09:09:26,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:09:26,041 INFO L276 IsEmpty]: Start isEmpty. Operand 39161 states and 70571 transitions. [2020-12-23 09:09:26,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 09:09:26,091 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:26,091 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 09:09:26,091 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:09:26,092 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:26,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:26,092 INFO L82 PathProgramCache]: Analyzing trace with hash -956910185, now seen corresponding path program 1 times [2020-12-23 09:09:26,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:26,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665760906] [2020-12-23 09:09:26,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:26,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665760906] [2020-12-23 09:09:26,217 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:26,217 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:09:26,217 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722051586] [2020-12-23 09:09:26,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:09:26,218 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:26,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:09:26,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:09:26,222 INFO L87 Difference]: Start difference. First operand 39161 states and 70571 transitions. Second operand 8 states. [2020-12-23 09:09:26,543 WARN L197 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-23 09:09:28,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:28,045 INFO L93 Difference]: Finished difference Result 39653 states and 71331 transitions. [2020-12-23 09:09:28,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:09:28,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2020-12-23 09:09:28,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:28,118 INFO L225 Difference]: With dead ends: 39653 [2020-12-23 09:09:28,118 INFO L226 Difference]: Without dead ends: 39230 [2020-12-23 09:09:28,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2020-12-23 09:09:28,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39230 states. [2020-12-23 09:09:29,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39230 to 39118. [2020-12-23 09:09:29,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39118 states. [2020-12-23 09:09:29,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39118 states to 39118 states and 70495 transitions. [2020-12-23 09:09:29,982 INFO L78 Accepts]: Start accepts. Automaton has 39118 states and 70495 transitions. Word has length 100 [2020-12-23 09:09:29,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:29,982 INFO L481 AbstractCegarLoop]: Abstraction has 39118 states and 70495 transitions. [2020-12-23 09:09:29,987 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:09:29,987 INFO L276 IsEmpty]: Start isEmpty. Operand 39118 states and 70495 transitions. [2020-12-23 09:09:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 09:09:30,030 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:30,031 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 09:09:30,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:09:30,031 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:30,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:30,032 INFO L82 PathProgramCache]: Analyzing trace with hash 438038369, now seen corresponding path program 1 times [2020-12-23 09:09:30,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:30,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83221366] [2020-12-23 09:09:30,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:30,198 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:30,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83221366] [2020-12-23 09:09:30,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:30,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 09:09:30,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625368574] [2020-12-23 09:09:30,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 09:09:30,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:30,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 09:09:30,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:09:30,201 INFO L87 Difference]: Start difference. First operand 39118 states and 70495 transitions. Second operand 11 states. [2020-12-23 09:09:32,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:32,296 INFO L93 Difference]: Finished difference Result 39677 states and 71329 transitions. [2020-12-23 09:09:32,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 09:09:32,296 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 100 [2020-12-23 09:09:32,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:32,371 INFO L225 Difference]: With dead ends: 39677 [2020-12-23 09:09:32,371 INFO L226 Difference]: Without dead ends: 39498 [2020-12-23 09:09:32,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2020-12-23 09:09:32,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39498 states. [2020-12-23 09:09:33,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39498 to 39118. [2020-12-23 09:09:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39118 states. [2020-12-23 09:09:34,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39118 states to 39118 states and 70491 transitions. [2020-12-23 09:09:34,068 INFO L78 Accepts]: Start accepts. Automaton has 39118 states and 70491 transitions. Word has length 100 [2020-12-23 09:09:34,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:34,068 INFO L481 AbstractCegarLoop]: Abstraction has 39118 states and 70491 transitions. [2020-12-23 09:09:34,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 09:09:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 39118 states and 70491 transitions. [2020-12-23 09:09:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 09:09:34,279 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:34,279 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:09:34,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:09:34,280 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:34,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:34,280 INFO L82 PathProgramCache]: Analyzing trace with hash 324163279, now seen corresponding path program 1 times [2020-12-23 09:09:34,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:34,281 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392211383] [2020-12-23 09:09:34,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:34,441 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392211383] [2020-12-23 09:09:34,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:34,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:09:34,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166108624] [2020-12-23 09:09:34,442 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:09:34,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:34,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:09:34,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:09:34,443 INFO L87 Difference]: Start difference. First operand 39118 states and 70491 transitions. Second operand 8 states. [2020-12-23 09:09:36,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:36,234 INFO L93 Difference]: Finished difference Result 39185 states and 70587 transitions. [2020-12-23 09:09:36,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:09:36,234 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 101 [2020-12-23 09:09:36,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:36,292 INFO L225 Difference]: With dead ends: 39185 [2020-12-23 09:09:36,292 INFO L226 Difference]: Without dead ends: 39118 [2020-12-23 09:09:36,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-23 09:09:36,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39118 states. [2020-12-23 09:09:38,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39118 to 39118. [2020-12-23 09:09:38,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39118 states. [2020-12-23 09:09:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39118 states to 39118 states and 70487 transitions. [2020-12-23 09:09:38,099 INFO L78 Accepts]: Start accepts. Automaton has 39118 states and 70487 transitions. Word has length 101 [2020-12-23 09:09:38,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:38,099 INFO L481 AbstractCegarLoop]: Abstraction has 39118 states and 70487 transitions. [2020-12-23 09:09:38,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:09:38,100 INFO L276 IsEmpty]: Start isEmpty. Operand 39118 states and 70487 transitions. [2020-12-23 09:09:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-12-23 09:09:38,135 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:38,136 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:09:38,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:09:38,136 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:38,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:38,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1475353155, now seen corresponding path program 1 times [2020-12-23 09:09:38,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:38,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795947671] [2020-12-23 09:09:38,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:38,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795947671] [2020-12-23 09:09:38,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:38,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:09:38,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864371420] [2020-12-23 09:09:38,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:09:38,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:38,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:09:38,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:38,239 INFO L87 Difference]: Start difference. First operand 39118 states and 70487 transitions. Second operand 5 states. [2020-12-23 09:09:41,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:41,613 INFO L93 Difference]: Finished difference Result 78003 states and 140526 transitions. [2020-12-23 09:09:41,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:09:41,613 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-12-23 09:09:41,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:41,743 INFO L225 Difference]: With dead ends: 78003 [2020-12-23 09:09:41,743 INFO L226 Difference]: Without dead ends: 77816 [2020-12-23 09:09:41,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:09:41,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77816 states. [2020-12-23 09:09:45,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77816 to 77633. [2020-12-23 09:09:45,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77633 states. [2020-12-23 09:09:45,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77633 states to 77633 states and 139966 transitions. [2020-12-23 09:09:45,486 INFO L78 Accepts]: Start accepts. Automaton has 77633 states and 139966 transitions. Word has length 118 [2020-12-23 09:09:45,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:45,486 INFO L481 AbstractCegarLoop]: Abstraction has 77633 states and 139966 transitions. [2020-12-23 09:09:45,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:09:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 77633 states and 139966 transitions. [2020-12-23 09:09:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-12-23 09:09:45,574 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:45,574 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:09:45,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:09:45,574 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:45,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:45,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1054159924, now seen corresponding path program 1 times [2020-12-23 09:09:45,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:45,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747161869] [2020-12-23 09:09:45,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:45,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747161869] [2020-12-23 09:09:45,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:45,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:09:45,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962745218] [2020-12-23 09:09:45,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:09:45,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:45,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:09:45,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:09:45,728 INFO L87 Difference]: Start difference. First operand 77633 states and 139966 transitions. Second operand 10 states. [2020-12-23 09:09:49,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:49,445 INFO L93 Difference]: Finished difference Result 78021 states and 140542 transitions. [2020-12-23 09:09:49,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-23 09:09:49,446 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 119 [2020-12-23 09:09:49,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:49,568 INFO L225 Difference]: With dead ends: 78021 [2020-12-23 09:09:49,569 INFO L226 Difference]: Without dead ends: 77598 [2020-12-23 09:09:49,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=288, Unknown=0, NotChecked=0, Total=420 [2020-12-23 09:09:49,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77598 states. [2020-12-23 09:09:53,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77598 to 77012. [2020-12-23 09:09:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77012 states. [2020-12-23 09:09:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77012 states to 77012 states and 138166 transitions. [2020-12-23 09:09:53,315 INFO L78 Accepts]: Start accepts. Automaton has 77012 states and 138166 transitions. Word has length 119 [2020-12-23 09:09:53,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:09:53,315 INFO L481 AbstractCegarLoop]: Abstraction has 77012 states and 138166 transitions. [2020-12-23 09:09:53,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:09:53,316 INFO L276 IsEmpty]: Start isEmpty. Operand 77012 states and 138166 transitions. [2020-12-23 09:09:53,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-12-23 09:09:53,391 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:09:53,392 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:09:53,392 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:09:53,392 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:09:53,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:09:53,392 INFO L82 PathProgramCache]: Analyzing trace with hash -639657416, now seen corresponding path program 1 times [2020-12-23 09:09:53,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:09:53,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478536511] [2020-12-23 09:09:53,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:09:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:09:53,499 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:09:53,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478536511] [2020-12-23 09:09:53,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:09:53,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:09:53,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145548616] [2020-12-23 09:09:53,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:09:53,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:09:53,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:09:53,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:09:53,502 INFO L87 Difference]: Start difference. First operand 77012 states and 138166 transitions. Second operand 5 states. [2020-12-23 09:09:57,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:09:57,251 INFO L93 Difference]: Finished difference Result 78356 states and 140138 transitions. [2020-12-23 09:09:57,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:09:57,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 124 [2020-12-23 09:09:57,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:09:57,366 INFO L225 Difference]: With dead ends: 78356 [2020-12-23 09:09:57,366 INFO L226 Difference]: Without dead ends: 78253 [2020-12-23 09:09:57,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:09:57,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78253 states. [2020-12-23 09:10:01,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78253 to 77244. [2020-12-23 09:10:01,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77244 states. [2020-12-23 09:10:01,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77244 states to 77244 states and 138522 transitions. [2020-12-23 09:10:01,216 INFO L78 Accepts]: Start accepts. Automaton has 77244 states and 138522 transitions. Word has length 124 [2020-12-23 09:10:01,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:01,217 INFO L481 AbstractCegarLoop]: Abstraction has 77244 states and 138522 transitions. [2020-12-23 09:10:01,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:10:01,217 INFO L276 IsEmpty]: Start isEmpty. Operand 77244 states and 138522 transitions. [2020-12-23 09:10:01,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-23 09:10:01,299 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:01,299 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:10:01,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 09:10:01,300 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:10:01,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:01,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1175423058, now seen corresponding path program 1 times [2020-12-23 09:10:01,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:01,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166672794] [2020-12-23 09:10:01,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:10:01,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166672794] [2020-12-23 09:10:01,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:01,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-12-23 09:10:01,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620167622] [2020-12-23 09:10:01,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-23 09:10:01,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:01,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-23 09:10:01,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2020-12-23 09:10:01,552 INFO L87 Difference]: Start difference. First operand 77244 states and 138522 transitions. Second operand 15 states. [2020-12-23 09:10:06,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:06,173 INFO L93 Difference]: Finished difference Result 77589 states and 139024 transitions. [2020-12-23 09:10:06,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-23 09:10:06,174 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 125 [2020-12-23 09:10:06,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:06,290 INFO L225 Difference]: With dead ends: 77589 [2020-12-23 09:10:06,291 INFO L226 Difference]: Without dead ends: 77561 [2020-12-23 09:10:06,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=386, Invalid=1174, Unknown=0, NotChecked=0, Total=1560 [2020-12-23 09:10:06,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77561 states. [2020-12-23 09:10:09,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77561 to 76810. [2020-12-23 09:10:09,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76810 states. [2020-12-23 09:10:09,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76810 states to 76810 states and 137858 transitions. [2020-12-23 09:10:09,992 INFO L78 Accepts]: Start accepts. Automaton has 76810 states and 137858 transitions. Word has length 125 [2020-12-23 09:10:09,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:09,992 INFO L481 AbstractCegarLoop]: Abstraction has 76810 states and 137858 transitions. [2020-12-23 09:10:09,993 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-23 09:10:09,993 INFO L276 IsEmpty]: Start isEmpty. Operand 76810 states and 137858 transitions. [2020-12-23 09:10:10,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 09:10:10,067 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:10,067 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:10:10,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 09:10:10,067 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:10:10,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:10,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1429512234, now seen corresponding path program 1 times [2020-12-23 09:10:10,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:10,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696791344] [2020-12-23 09:10:10,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:10,293 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:10:10,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696791344] [2020-12-23 09:10:10,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:10,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-12-23 09:10:10,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639343806] [2020-12-23 09:10:10,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-23 09:10:10,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:10,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-23 09:10:10,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2020-12-23 09:10:10,296 INFO L87 Difference]: Start difference. First operand 76810 states and 137858 transitions. Second operand 14 states. [2020-12-23 09:10:14,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:14,739 INFO L93 Difference]: Finished difference Result 76954 states and 138071 transitions. [2020-12-23 09:10:14,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-23 09:10:14,739 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 126 [2020-12-23 09:10:14,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:14,910 INFO L225 Difference]: With dead ends: 76954 [2020-12-23 09:10:14,911 INFO L226 Difference]: Without dead ends: 76929 [2020-12-23 09:10:14,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=365, Invalid=1041, Unknown=0, NotChecked=0, Total=1406 [2020-12-23 09:10:15,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76929 states. [2020-12-23 09:10:18,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76929 to 76807. [2020-12-23 09:10:18,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76807 states. [2020-12-23 09:10:18,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76807 states to 76807 states and 137851 transitions. [2020-12-23 09:10:18,724 INFO L78 Accepts]: Start accepts. Automaton has 76807 states and 137851 transitions. Word has length 126 [2020-12-23 09:10:18,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:18,724 INFO L481 AbstractCegarLoop]: Abstraction has 76807 states and 137851 transitions. [2020-12-23 09:10:18,724 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-23 09:10:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 76807 states and 137851 transitions. [2020-12-23 09:10:18,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-12-23 09:10:18,811 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:18,812 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:10:18,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 09:10:18,812 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:10:18,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:18,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1206038454, now seen corresponding path program 1 times [2020-12-23 09:10:18,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:18,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745933855] [2020-12-23 09:10:18,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:18,943 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:10:18,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745933855] [2020-12-23 09:10:18,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:18,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:10:18,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949678919] [2020-12-23 09:10:18,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:10:18,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:18,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:10:18,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:10:18,946 INFO L87 Difference]: Start difference. First operand 76807 states and 137851 transitions. Second operand 7 states. [2020-12-23 09:10:25,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:25,948 INFO L93 Difference]: Finished difference Result 153775 states and 275946 transitions. [2020-12-23 09:10:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:10:25,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 126 [2020-12-23 09:10:25,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:26,441 INFO L225 Difference]: With dead ends: 153775 [2020-12-23 09:10:26,441 INFO L226 Difference]: Without dead ends: 153753 [2020-12-23 09:10:26,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:10:26,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153753 states. [2020-12-23 09:10:33,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153753 to 153539. [2020-12-23 09:10:33,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153539 states. [2020-12-23 09:10:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153539 states to 153539 states and 275594 transitions. [2020-12-23 09:10:34,269 INFO L78 Accepts]: Start accepts. Automaton has 153539 states and 275594 transitions. Word has length 126 [2020-12-23 09:10:34,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:10:34,270 INFO L481 AbstractCegarLoop]: Abstraction has 153539 states and 275594 transitions. [2020-12-23 09:10:34,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:10:34,270 INFO L276 IsEmpty]: Start isEmpty. Operand 153539 states and 275594 transitions. [2020-12-23 09:10:34,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-12-23 09:10:34,453 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:10:34,453 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:10:34,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 09:10:34,453 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:10:34,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:10:34,454 INFO L82 PathProgramCache]: Analyzing trace with hash 660917397, now seen corresponding path program 1 times [2020-12-23 09:10:34,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:10:34,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891414597] [2020-12-23 09:10:34,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:10:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:10:34,606 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:10:34,607 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891414597] [2020-12-23 09:10:34,607 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:10:34,607 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:10:34,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891583874] [2020-12-23 09:10:34,608 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:10:34,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:10:34,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:10:34,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:10:34,610 INFO L87 Difference]: Start difference. First operand 153539 states and 275594 transitions. Second operand 7 states. [2020-12-23 09:10:48,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:10:48,254 INFO L93 Difference]: Finished difference Result 307263 states and 551464 transitions. [2020-12-23 09:10:48,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:10:48,255 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 127 [2020-12-23 09:10:48,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:10:49,050 INFO L225 Difference]: With dead ends: 307263 [2020-12-23 09:10:49,050 INFO L226 Difference]: Without dead ends: 307241 [2020-12-23 09:10:49,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:10:49,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307241 states.