/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec11_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:43:59,730 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:43:59,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:43:59,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:43:59,785 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:43:59,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:43:59,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:43:59,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:43:59,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:43:59,809 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:43:59,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:43:59,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:43:59,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:43:59,819 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:43:59,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:43:59,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:43:59,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:43:59,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:43:59,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:43:59,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:43:59,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:43:59,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:43:59,869 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:43:59,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:43:59,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:43:59,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:43:59,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:43:59,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:43:59,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:43:59,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:43:59,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:43:59,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:43:59,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:43:59,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:43:59,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:43:59,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:43:59,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:43:59,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:43:59,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:43:59,903 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:43:59,904 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:43:59,905 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:43:59,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:43:59,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:43:59,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:43:59,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:43:59,957 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:43:59,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:43:59,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:43:59,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:43:59,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:43:59,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:43:59,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:43:59,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:43:59,960 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:43:59,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:43:59,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:43:59,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:43:59,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:43:59,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:43:59,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:43:59,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:43:59,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:43:59,963 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:43:59,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:43:59,963 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:43:59,963 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:43:59,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:44:00,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:44:00,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:44:00,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:44:00,412 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:44:00,413 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:44:00,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product20.cil.c [2020-12-23 08:44:00,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/415abfb50/8f274f8119014b8e9d61436a3d645f4d/FLAG629ffbe5e [2020-12-23 08:44:01,316 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:44:01,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product20.cil.c [2020-12-23 08:44:01,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/415abfb50/8f274f8119014b8e9d61436a3d645f4d/FLAG629ffbe5e [2020-12-23 08:44:01,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/415abfb50/8f274f8119014b8e9d61436a3d645f4d [2020-12-23 08:44:01,526 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:44:01,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:44:01,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:44:01,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:44:01,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:44:01,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:44:01" (1/1) ... [2020-12-23 08:44:01,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e10b27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:01, skipping insertion in model container [2020-12-23 08:44:01,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:44:01" (1/1) ... [2020-12-23 08:44:01,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:44:01,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 08:44:01,884 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product20.cil.c[1219,1232] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~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_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~4,] 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~4,] 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~3,] 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~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[~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_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~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[~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[~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[~retValue_acc~8,] 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~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_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~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_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~11,] 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~11,] 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~4,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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[~__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~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[~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[~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[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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~20,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] 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[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:44:02,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:44:02,448 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 08:44:02,463 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product20.cil.c[1219,1232] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~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_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~4,] 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~4,] 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~3,] 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~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[~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_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~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[~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[~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[~retValue_acc~8,] 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~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_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~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_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~11,] 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~11,] 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~4,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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[~__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~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[~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[~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[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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~20,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] 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[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:44:02,616 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:44:02,746 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:44:02,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02 WrapperNode [2020-12-23 08:44:02,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:44:02,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:44:02,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:44:02,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:44:02,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... [2020-12-23 08:44:02,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... [2020-12-23 08:44:02,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:44:02,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:44:02,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:44:02,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:44:02,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... [2020-12-23 08:44:02,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... [2020-12-23 08:44:03,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... [2020-12-23 08:44:03,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... [2020-12-23 08:44:03,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... [2020-12-23 08:44:03,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... [2020-12-23 08:44:03,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... [2020-12-23 08:44:03,200 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:44:03,201 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:44:03,201 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:44:03,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:44:03,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:44:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:44:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:44:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:44:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:44:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:44:06,154 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:44:06,155 INFO L299 CfgBuilder]: Removed 541 assume(true) statements. [2020-12-23 08:44:06,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:44:06 BoogieIcfgContainer [2020-12-23 08:44:06,158 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:44:06,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:44:06,161 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:44:06,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:44:06,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:44:01" (1/3) ... [2020-12-23 08:44:06,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2026f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:44:06, skipping insertion in model container [2020-12-23 08:44:06,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:44:02" (2/3) ... [2020-12-23 08:44:06,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2026f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:44:06, skipping insertion in model container [2020-12-23 08:44:06,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:44:06" (3/3) ... [2020-12-23 08:44:06,169 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec11_product20.cil.c [2020-12-23 08:44:06,176 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:44:06,187 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 08:44:06,207 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 08:44:06,259 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:44:06,260 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:44:06,260 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:44:06,260 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:44:06,260 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:44:06,260 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:44:06,260 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:44:06,261 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:44:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states. [2020-12-23 08:44:06,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:44:06,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:06,329 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:06,329 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:06,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:06,337 INFO L82 PathProgramCache]: Analyzing trace with hash -634054842, now seen corresponding path program 1 times [2020-12-23 08:44:06,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:06,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671263135] [2020-12-23 08:44:06,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:06,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:06,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671263135] [2020-12-23 08:44:06,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:06,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:06,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55187303] [2020-12-23 08:44:06,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:06,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:06,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:06,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:06,888 INFO L87 Difference]: Start difference. First operand 830 states. Second operand 3 states. [2020-12-23 08:44:07,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:07,094 INFO L93 Difference]: Finished difference Result 2455 states and 4280 transitions. [2020-12-23 08:44:07,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:07,096 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 08:44:07,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:07,139 INFO L225 Difference]: With dead ends: 2455 [2020-12-23 08:44:07,140 INFO L226 Difference]: Without dead ends: 1604 [2020-12-23 08:44:07,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:07,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2020-12-23 08:44:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 811. [2020-12-23 08:44:07,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-12-23 08:44:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1403 transitions. [2020-12-23 08:44:07,355 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1403 transitions. Word has length 55 [2020-12-23 08:44:07,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:07,356 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1403 transitions. [2020-12-23 08:44:07,356 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1403 transitions. [2020-12-23 08:44:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 08:44:07,360 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:07,360 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] [2020-12-23 08:44:07,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:44:07,361 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:07,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:07,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1491734360, now seen corresponding path program 1 times [2020-12-23 08:44:07,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:07,362 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25302356] [2020-12-23 08:44:07,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:07,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25302356] [2020-12-23 08:44:07,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:07,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:07,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401165633] [2020-12-23 08:44:07,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:07,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:07,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:07,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:07,533 INFO L87 Difference]: Start difference. First operand 811 states and 1403 transitions. Second operand 5 states. [2020-12-23 08:44:07,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:07,807 INFO L93 Difference]: Finished difference Result 2382 states and 4125 transitions. [2020-12-23 08:44:07,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:44:07,808 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-23 08:44:07,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:07,819 INFO L225 Difference]: With dead ends: 2382 [2020-12-23 08:44:07,819 INFO L226 Difference]: Without dead ends: 1590 [2020-12-23 08:44:07,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:44:07,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2020-12-23 08:44:07,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 811. [2020-12-23 08:44:07,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-12-23 08:44:07,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1402 transitions. [2020-12-23 08:44:07,870 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1402 transitions. Word has length 57 [2020-12-23 08:44:07,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:07,870 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1402 transitions. [2020-12-23 08:44:07,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:07,870 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1402 transitions. [2020-12-23 08:44:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:44:07,873 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:07,873 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] [2020-12-23 08:44:07,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:44:07,874 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:07,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:07,875 INFO L82 PathProgramCache]: Analyzing trace with hash -521967109, now seen corresponding path program 1 times [2020-12-23 08:44:07,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:07,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726386695] [2020-12-23 08:44:07,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:07,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:07,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726386695] [2020-12-23 08:44:07,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:07,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:07,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964502800] [2020-12-23 08:44:07,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:07,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:07,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:07,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:07,985 INFO L87 Difference]: Start difference. First operand 811 states and 1402 transitions. Second operand 3 states. [2020-12-23 08:44:08,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:08,056 INFO L93 Difference]: Finished difference Result 1604 states and 2778 transitions. [2020-12-23 08:44:08,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:08,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:44:08,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:08,062 INFO L225 Difference]: With dead ends: 1604 [2020-12-23 08:44:08,062 INFO L226 Difference]: Without dead ends: 816 [2020-12-23 08:44:08,064 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:08,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 816 states. [2020-12-23 08:44:08,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 816 to 811. [2020-12-23 08:44:08,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-12-23 08:44:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1401 transitions. [2020-12-23 08:44:08,104 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1401 transitions. Word has length 58 [2020-12-23 08:44:08,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:08,104 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1401 transitions. [2020-12-23 08:44:08,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1401 transitions. [2020-12-23 08:44:08,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:44:08,107 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:08,107 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] [2020-12-23 08:44:08,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:44:08,107 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:08,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:08,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1537446901, now seen corresponding path program 1 times [2020-12-23 08:44:08,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:08,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516172451] [2020-12-23 08:44:08,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:08,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:08,194 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516172451] [2020-12-23 08:44:08,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:08,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:08,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62896928] [2020-12-23 08:44:08,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:08,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:08,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:08,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:08,197 INFO L87 Difference]: Start difference. First operand 811 states and 1401 transitions. Second operand 3 states. [2020-12-23 08:44:08,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:08,267 INFO L93 Difference]: Finished difference Result 1614 states and 2791 transitions. [2020-12-23 08:44:08,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:08,268 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-23 08:44:08,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:08,273 INFO L225 Difference]: With dead ends: 1614 [2020-12-23 08:44:08,273 INFO L226 Difference]: Without dead ends: 811 [2020-12-23 08:44:08,275 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:08,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2020-12-23 08:44:08,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 811. [2020-12-23 08:44:08,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-12-23 08:44:08,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1399 transitions. [2020-12-23 08:44:08,318 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1399 transitions. Word has length 59 [2020-12-23 08:44:08,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:08,318 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1399 transitions. [2020-12-23 08:44:08,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:08,319 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1399 transitions. [2020-12-23 08:44:08,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:44:08,321 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:08,321 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] [2020-12-23 08:44:08,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:44:08,321 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:08,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:08,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1288711424, now seen corresponding path program 1 times [2020-12-23 08:44:08,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:08,322 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460899399] [2020-12-23 08:44:08,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:08,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:08,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460899399] [2020-12-23 08:44:08,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:08,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:08,407 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618493138] [2020-12-23 08:44:08,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:08,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:08,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:08,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:08,408 INFO L87 Difference]: Start difference. First operand 811 states and 1399 transitions. Second operand 5 states. [2020-12-23 08:44:08,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:08,645 INFO L93 Difference]: Finished difference Result 2372 states and 4105 transitions. [2020-12-23 08:44:08,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:44:08,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-12-23 08:44:08,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:08,655 INFO L225 Difference]: With dead ends: 2372 [2020-12-23 08:44:08,656 INFO L226 Difference]: Without dead ends: 1588 [2020-12-23 08:44:08,658 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:44:08,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1588 states. [2020-12-23 08:44:08,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1588 to 811. [2020-12-23 08:44:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-12-23 08:44:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1398 transitions. [2020-12-23 08:44:08,744 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1398 transitions. Word has length 60 [2020-12-23 08:44:08,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:08,744 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1398 transitions. [2020-12-23 08:44:08,744 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:08,745 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1398 transitions. [2020-12-23 08:44:08,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:44:08,746 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:08,747 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] [2020-12-23 08:44:08,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:44:08,747 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:08,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:08,748 INFO L82 PathProgramCache]: Analyzing trace with hash 183901117, now seen corresponding path program 1 times [2020-12-23 08:44:08,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:08,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311843059] [2020-12-23 08:44:08,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:08,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311843059] [2020-12-23 08:44:08,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:08,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:08,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421314864] [2020-12-23 08:44:08,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:08,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:08,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:08,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:08,832 INFO L87 Difference]: Start difference. First operand 811 states and 1398 transitions. Second operand 5 states. [2020-12-23 08:44:09,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:09,060 INFO L93 Difference]: Finished difference Result 2377 states and 4110 transitions. [2020-12-23 08:44:09,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:44:09,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-12-23 08:44:09,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:09,070 INFO L225 Difference]: With dead ends: 2377 [2020-12-23 08:44:09,071 INFO L226 Difference]: Without dead ends: 1593 [2020-12-23 08:44:09,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:44:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2020-12-23 08:44:09,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 811. [2020-12-23 08:44:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2020-12-23 08:44:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1397 transitions. [2020-12-23 08:44:09,135 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1397 transitions. Word has length 61 [2020-12-23 08:44:09,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:09,136 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1397 transitions. [2020-12-23 08:44:09,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:09,136 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1397 transitions. [2020-12-23 08:44:09,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:44:09,138 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:09,138 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] [2020-12-23 08:44:09,138 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:44:09,138 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:09,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:09,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1796850085, now seen corresponding path program 1 times [2020-12-23 08:44:09,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:09,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658545290] [2020-12-23 08:44:09,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:09,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:09,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658545290] [2020-12-23 08:44:09,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:09,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:09,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940480583] [2020-12-23 08:44:09,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:09,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:09,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:09,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:09,288 INFO L87 Difference]: Start difference. First operand 811 states and 1397 transitions. Second operand 3 states. [2020-12-23 08:44:09,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:09,350 INFO L93 Difference]: Finished difference Result 1341 states and 2288 transitions. [2020-12-23 08:44:09,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:09,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 08:44:09,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:09,356 INFO L225 Difference]: With dead ends: 1341 [2020-12-23 08:44:09,357 INFO L226 Difference]: Without dead ends: 814 [2020-12-23 08:44:09,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:09,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2020-12-23 08:44:09,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 813. [2020-12-23 08:44:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 813 states. [2020-12-23 08:44:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 1399 transitions. [2020-12-23 08:44:09,410 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 1399 transitions. Word has length 62 [2020-12-23 08:44:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:09,410 INFO L481 AbstractCegarLoop]: Abstraction has 813 states and 1399 transitions. [2020-12-23 08:44:09,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 1399 transitions. [2020-12-23 08:44:09,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:44:09,412 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:09,412 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] [2020-12-23 08:44:09,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:44:09,412 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:09,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:09,413 INFO L82 PathProgramCache]: Analyzing trace with hash 978675447, now seen corresponding path program 1 times [2020-12-23 08:44:09,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:09,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737677798] [2020-12-23 08:44:09,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:09,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:09,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737677798] [2020-12-23 08:44:09,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:09,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:09,482 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407106079] [2020-12-23 08:44:09,482 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:09,482 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:09,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:09,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:09,483 INFO L87 Difference]: Start difference. First operand 813 states and 1399 transitions. Second operand 3 states. [2020-12-23 08:44:09,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:09,619 INFO L93 Difference]: Finished difference Result 2325 states and 4021 transitions. [2020-12-23 08:44:09,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:09,619 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:44:09,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:09,629 INFO L225 Difference]: With dead ends: 2325 [2020-12-23 08:44:09,629 INFO L226 Difference]: Without dead ends: 1543 [2020-12-23 08:44:09,632 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:09,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2020-12-23 08:44:09,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1016. [2020-12-23 08:44:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2020-12-23 08:44:09,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1774 transitions. [2020-12-23 08:44:09,706 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1774 transitions. Word has length 70 [2020-12-23 08:44:09,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:09,707 INFO L481 AbstractCegarLoop]: Abstraction has 1016 states and 1774 transitions. [2020-12-23 08:44:09,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:09,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1774 transitions. [2020-12-23 08:44:09,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:44:09,713 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:09,713 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] [2020-12-23 08:44:09,713 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:44:09,714 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:09,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1573715400, now seen corresponding path program 1 times [2020-12-23 08:44:09,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:09,716 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745608577] [2020-12-23 08:44:09,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:09,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:09,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745608577] [2020-12-23 08:44:09,850 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:09,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:09,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084110565] [2020-12-23 08:44:09,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:09,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:09,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:09,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:09,854 INFO L87 Difference]: Start difference. First operand 1016 states and 1774 transitions. Second operand 5 states. [2020-12-23 08:44:10,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:10,162 INFO L93 Difference]: Finished difference Result 2978 states and 5228 transitions. [2020-12-23 08:44:10,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:44:10,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-12-23 08:44:10,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:10,174 INFO L225 Difference]: With dead ends: 2978 [2020-12-23 08:44:10,174 INFO L226 Difference]: Without dead ends: 1993 [2020-12-23 08:44:10,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:44:10,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2020-12-23 08:44:10,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1016. [2020-12-23 08:44:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1016 states. [2020-12-23 08:44:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1772 transitions. [2020-12-23 08:44:10,272 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1772 transitions. Word has length 71 [2020-12-23 08:44:10,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:10,272 INFO L481 AbstractCegarLoop]: Abstraction has 1016 states and 1772 transitions. [2020-12-23 08:44:10,273 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:10,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1772 transitions. [2020-12-23 08:44:10,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:44:10,278 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:10,278 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] [2020-12-23 08:44:10,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:44:10,279 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:10,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:10,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1311004801, now seen corresponding path program 1 times [2020-12-23 08:44:10,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:10,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404442491] [2020-12-23 08:44:10,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:10,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:10,363 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404442491] [2020-12-23 08:44:10,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:10,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:10,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065507811] [2020-12-23 08:44:10,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:10,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:10,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:10,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:10,368 INFO L87 Difference]: Start difference. First operand 1016 states and 1772 transitions. Second operand 3 states. [2020-12-23 08:44:10,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:10,560 INFO L93 Difference]: Finished difference Result 2976 states and 5220 transitions. [2020-12-23 08:44:10,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:10,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:44:10,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:10,575 INFO L225 Difference]: With dead ends: 2976 [2020-12-23 08:44:10,576 INFO L226 Difference]: Without dead ends: 1991 [2020-12-23 08:44:10,579 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:10,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2020-12-23 08:44:10,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1464. [2020-12-23 08:44:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2020-12-23 08:44:10,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 2599 transitions. [2020-12-23 08:44:10,712 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 2599 transitions. Word has length 72 [2020-12-23 08:44:10,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:10,712 INFO L481 AbstractCegarLoop]: Abstraction has 1464 states and 2599 transitions. [2020-12-23 08:44:10,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:10,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 2599 transitions. [2020-12-23 08:44:10,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:44:10,716 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:10,717 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] [2020-12-23 08:44:10,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:44:10,717 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:10,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:10,718 INFO L82 PathProgramCache]: Analyzing trace with hash -658565853, now seen corresponding path program 1 times [2020-12-23 08:44:10,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:10,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646266969] [2020-12-23 08:44:10,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:10,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:10,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646266969] [2020-12-23 08:44:10,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238985567] [2020-12-23 08:44:10,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:44:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:11,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 974 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:44:11,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:44:11,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:11,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:44:11,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:44:11,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464351671] [2020-12-23 08:44:11,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:11,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:11,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:11,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:11,396 INFO L87 Difference]: Start difference. First operand 1464 states and 2599 transitions. Second operand 5 states. [2020-12-23 08:44:11,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:11,631 INFO L93 Difference]: Finished difference Result 2780 states and 4851 transitions. [2020-12-23 08:44:11,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:44:11,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2020-12-23 08:44:11,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:11,645 INFO L225 Difference]: With dead ends: 2780 [2020-12-23 08:44:11,646 INFO L226 Difference]: Without dead ends: 2253 [2020-12-23 08:44:11,647 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:11,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2253 states. [2020-12-23 08:44:11,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2253 to 1723. [2020-12-23 08:44:11,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1723 states. [2020-12-23 08:44:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 3071 transitions. [2020-12-23 08:44:11,799 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 3071 transitions. Word has length 72 [2020-12-23 08:44:11,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:11,800 INFO L481 AbstractCegarLoop]: Abstraction has 1723 states and 3071 transitions. [2020-12-23 08:44:11,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:11,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 3071 transitions. [2020-12-23 08:44:11,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:44:11,804 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:11,804 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] [2020-12-23 08:44:12,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:44:12,018 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:12,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:12,018 INFO L82 PathProgramCache]: Analyzing trace with hash -456497594, now seen corresponding path program 1 times [2020-12-23 08:44:12,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:12,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533946992] [2020-12-23 08:44:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:12,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533946992] [2020-12-23 08:44:12,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:12,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:12,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930731413] [2020-12-23 08:44:12,090 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:12,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:12,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:12,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:12,091 INFO L87 Difference]: Start difference. First operand 1723 states and 3071 transitions. Second operand 3 states. [2020-12-23 08:44:12,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:12,311 INFO L93 Difference]: Finished difference Result 4760 states and 8505 transitions. [2020-12-23 08:44:12,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:12,312 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 08:44:12,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:12,332 INFO L225 Difference]: With dead ends: 4760 [2020-12-23 08:44:12,332 INFO L226 Difference]: Without dead ends: 3138 [2020-12-23 08:44:12,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:12,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3138 states. [2020-12-23 08:44:12,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3138 to 2611. [2020-12-23 08:44:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2611 states. [2020-12-23 08:44:12,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2611 states and 4704 transitions. [2020-12-23 08:44:12,531 INFO L78 Accepts]: Start accepts. Automaton has 2611 states and 4704 transitions. Word has length 76 [2020-12-23 08:44:12,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:12,531 INFO L481 AbstractCegarLoop]: Abstraction has 2611 states and 4704 transitions. [2020-12-23 08:44:12,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2611 states and 4704 transitions. [2020-12-23 08:44:12,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:44:12,537 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:12,537 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] [2020-12-23 08:44:12,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:44:12,538 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:12,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:12,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1860868294, now seen corresponding path program 1 times [2020-12-23 08:44:12,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:12,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968166634] [2020-12-23 08:44:12,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:12,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:12,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968166634] [2020-12-23 08:44:12,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:12,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:12,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33817885] [2020-12-23 08:44:12,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:12,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:12,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:12,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:12,662 INFO L87 Difference]: Start difference. First operand 2611 states and 4704 transitions. Second operand 3 states. [2020-12-23 08:44:12,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:12,939 INFO L93 Difference]: Finished difference Result 7160 states and 12923 transitions. [2020-12-23 08:44:12,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:12,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 08:44:12,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:12,968 INFO L225 Difference]: With dead ends: 7160 [2020-12-23 08:44:12,968 INFO L226 Difference]: Without dead ends: 4684 [2020-12-23 08:44:12,973 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:12,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4684 states. [2020-12-23 08:44:13,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4684 to 4157. [2020-12-23 08:44:13,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4157 states. [2020-12-23 08:44:13,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 4157 states and 7545 transitions. [2020-12-23 08:44:13,269 INFO L78 Accepts]: Start accepts. Automaton has 4157 states and 7545 transitions. Word has length 77 [2020-12-23 08:44:13,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:13,269 INFO L481 AbstractCegarLoop]: Abstraction has 4157 states and 7545 transitions. [2020-12-23 08:44:13,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:13,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4157 states and 7545 transitions. [2020-12-23 08:44:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:44:13,278 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:13,278 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] [2020-12-23 08:44:13,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:44:13,279 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:13,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:13,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1442006155, now seen corresponding path program 1 times [2020-12-23 08:44:13,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:13,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731356148] [2020-12-23 08:44:13,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:13,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731356148] [2020-12-23 08:44:13,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:13,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:13,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561077301] [2020-12-23 08:44:13,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:13,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:13,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:13,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:13,396 INFO L87 Difference]: Start difference. First operand 4157 states and 7545 transitions. Second operand 3 states. [2020-12-23 08:44:13,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:13,800 INFO L93 Difference]: Finished difference Result 11514 states and 20929 transitions. [2020-12-23 08:44:13,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:13,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 08:44:13,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:13,838 INFO L225 Difference]: With dead ends: 11514 [2020-12-23 08:44:13,838 INFO L226 Difference]: Without dead ends: 7526 [2020-12-23 08:44:13,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:13,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7526 states. [2020-12-23 08:44:14,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7526 to 6999. [2020-12-23 08:44:14,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6999 states. [2020-12-23 08:44:14,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6999 states to 6999 states and 12762 transitions. [2020-12-23 08:44:14,422 INFO L78 Accepts]: Start accepts. Automaton has 6999 states and 12762 transitions. Word has length 78 [2020-12-23 08:44:14,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:14,422 INFO L481 AbstractCegarLoop]: Abstraction has 6999 states and 12762 transitions. [2020-12-23 08:44:14,422 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:14,422 INFO L276 IsEmpty]: Start isEmpty. Operand 6999 states and 12762 transitions. [2020-12-23 08:44:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:44:14,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:14,433 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] [2020-12-23 08:44:14,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:44:14,433 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:14,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:14,434 INFO L82 PathProgramCache]: Analyzing trace with hash -503987435, now seen corresponding path program 1 times [2020-12-23 08:44:14,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:14,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630146744] [2020-12-23 08:44:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:14,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:14,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630146744] [2020-12-23 08:44:14,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:14,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:14,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469122660] [2020-12-23 08:44:14,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:14,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:14,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:14,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:14,519 INFO L87 Difference]: Start difference. First operand 6999 states and 12762 transitions. Second operand 3 states. [2020-12-23 08:44:15,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:15,133 INFO L93 Difference]: Finished difference Result 20498 states and 37422 transitions. [2020-12-23 08:44:15,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:15,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 08:44:15,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:15,172 INFO L225 Difference]: With dead ends: 20498 [2020-12-23 08:44:15,172 INFO L226 Difference]: Without dead ends: 13672 [2020-12-23 08:44:15,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:15,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13672 states. [2020-12-23 08:44:15,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13672 to 13145. [2020-12-23 08:44:15,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13145 states. [2020-12-23 08:44:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13145 states to 13145 states and 24027 transitions. [2020-12-23 08:44:16,002 INFO L78 Accepts]: Start accepts. Automaton has 13145 states and 24027 transitions. Word has length 79 [2020-12-23 08:44:16,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:16,003 INFO L481 AbstractCegarLoop]: Abstraction has 13145 states and 24027 transitions. [2020-12-23 08:44:16,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 13145 states and 24027 transitions. [2020-12-23 08:44:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 08:44:16,017 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:16,018 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] [2020-12-23 08:44:16,018 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:44:16,018 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:16,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:16,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1427312934, now seen corresponding path program 1 times [2020-12-23 08:44:16,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:16,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547936407] [2020-12-23 08:44:16,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:16,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:16,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547936407] [2020-12-23 08:44:16,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:16,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:16,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44956231] [2020-12-23 08:44:16,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:16,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:16,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:16,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:16,095 INFO L87 Difference]: Start difference. First operand 13145 states and 24027 transitions. Second operand 3 states. [2020-12-23 08:44:17,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:17,322 INFO L93 Difference]: Finished difference Result 38638 states and 70692 transitions. [2020-12-23 08:44:17,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:17,323 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-23 08:44:17,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:17,408 INFO L225 Difference]: With dead ends: 38638 [2020-12-23 08:44:17,408 INFO L226 Difference]: Without dead ends: 25674 [2020-12-23 08:44:17,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:17,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25674 states. [2020-12-23 08:44:19,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25674 to 25147. [2020-12-23 08:44:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25147 states. [2020-12-23 08:44:19,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25147 states to 25147 states and 46012 transitions. [2020-12-23 08:44:19,089 INFO L78 Accepts]: Start accepts. Automaton has 25147 states and 46012 transitions. Word has length 80 [2020-12-23 08:44:19,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:19,089 INFO L481 AbstractCegarLoop]: Abstraction has 25147 states and 46012 transitions. [2020-12-23 08:44:19,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand 25147 states and 46012 transitions. [2020-12-23 08:44:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 08:44:19,107 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:19,107 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] [2020-12-23 08:44:19,107 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:44:19,108 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:19,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:19,108 INFO L82 PathProgramCache]: Analyzing trace with hash -40964589, now seen corresponding path program 1 times [2020-12-23 08:44:19,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:19,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754968177] [2020-12-23 08:44:19,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:19,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:19,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754968177] [2020-12-23 08:44:19,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:19,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:19,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613431665] [2020-12-23 08:44:19,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:19,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:19,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:19,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:19,192 INFO L87 Difference]: Start difference. First operand 25147 states and 46012 transitions. Second operand 3 states. [2020-12-23 08:44:21,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:21,439 INFO L93 Difference]: Finished difference Result 69283 states and 126383 transitions. [2020-12-23 08:44:21,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:21,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-12-23 08:44:21,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:21,590 INFO L225 Difference]: With dead ends: 69283 [2020-12-23 08:44:21,590 INFO L226 Difference]: Without dead ends: 44364 [2020-12-23 08:44:21,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:21,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44364 states. [2020-12-23 08:44:23,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44364 to 43837. [2020-12-23 08:44:23,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43837 states. [2020-12-23 08:44:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43837 states to 43837 states and 79741 transitions. [2020-12-23 08:44:24,155 INFO L78 Accepts]: Start accepts. Automaton has 43837 states and 79741 transitions. Word has length 81 [2020-12-23 08:44:24,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:24,156 INFO L481 AbstractCegarLoop]: Abstraction has 43837 states and 79741 transitions. [2020-12-23 08:44:24,156 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:24,156 INFO L276 IsEmpty]: Start isEmpty. Operand 43837 states and 79741 transitions. [2020-12-23 08:44:24,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:44:24,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:24,176 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] [2020-12-23 08:44:24,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:44:24,177 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:24,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:24,178 INFO L82 PathProgramCache]: Analyzing trace with hash 537781887, now seen corresponding path program 1 times [2020-12-23 08:44:24,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:24,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228889195] [2020-12-23 08:44:24,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:24,266 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:44:24,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228889195] [2020-12-23 08:44:24,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:24,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:44:24,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24774443] [2020-12-23 08:44:24,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:44:24,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:24,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:44:24,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:44:24,268 INFO L87 Difference]: Start difference. First operand 43837 states and 79741 transitions. Second operand 5 states. [2020-12-23 08:44:28,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:28,232 INFO L93 Difference]: Finished difference Result 129128 states and 234872 transitions. [2020-12-23 08:44:28,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:44:28,232 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2020-12-23 08:44:28,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:28,430 INFO L225 Difference]: With dead ends: 129128 [2020-12-23 08:44:28,430 INFO L226 Difference]: Without dead ends: 85587 [2020-12-23 08:44:28,476 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:44:28,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85587 states. [2020-12-23 08:44:30,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85587 to 43837. [2020-12-23 08:44:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43837 states. [2020-12-23 08:44:30,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43837 states to 43837 states and 79483 transitions. [2020-12-23 08:44:30,958 INFO L78 Accepts]: Start accepts. Automaton has 43837 states and 79483 transitions. Word has length 82 [2020-12-23 08:44:30,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:30,958 INFO L481 AbstractCegarLoop]: Abstraction has 43837 states and 79483 transitions. [2020-12-23 08:44:30,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:44:30,958 INFO L276 IsEmpty]: Start isEmpty. Operand 43837 states and 79483 transitions. [2020-12-23 08:44:30,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:44:30,972 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:30,972 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:30,972 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:44:30,972 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:30,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:30,973 INFO L82 PathProgramCache]: Analyzing trace with hash -1431788767, now seen corresponding path program 2 times [2020-12-23 08:44:30,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:30,973 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397388890] [2020-12-23 08:44:30,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:31,039 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:31,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397388890] [2020-12-23 08:44:31,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:31,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:31,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180014022] [2020-12-23 08:44:31,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:31,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:31,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:31,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:31,042 INFO L87 Difference]: Start difference. First operand 43837 states and 79483 transitions. Second operand 3 states. [2020-12-23 08:44:32,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:32,601 INFO L93 Difference]: Finished difference Result 87899 states and 159337 transitions. [2020-12-23 08:44:32,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:32,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-12-23 08:44:32,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:32,738 INFO L225 Difference]: With dead ends: 87899 [2020-12-23 08:44:32,738 INFO L226 Difference]: Without dead ends: 44364 [2020-12-23 08:44:32,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:32,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44364 states. [2020-12-23 08:44:34,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44364 to 43837. [2020-12-23 08:44:34,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43837 states. [2020-12-23 08:44:34,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43837 states to 43837 states and 79355 transitions. [2020-12-23 08:44:34,677 INFO L78 Accepts]: Start accepts. Automaton has 43837 states and 79355 transitions. Word has length 82 [2020-12-23 08:44:34,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:34,677 INFO L481 AbstractCegarLoop]: Abstraction has 43837 states and 79355 transitions. [2020-12-23 08:44:34,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:34,678 INFO L276 IsEmpty]: Start isEmpty. Operand 43837 states and 79355 transitions. [2020-12-23 08:44:34,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:44:34,693 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:34,693 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] [2020-12-23 08:44:34,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:44:34,693 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:34,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:34,694 INFO L82 PathProgramCache]: Analyzing trace with hash 111663252, now seen corresponding path program 1 times [2020-12-23 08:44:34,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:34,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258278519] [2020-12-23 08:44:34,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:34,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:34,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258278519] [2020-12-23 08:44:34,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:34,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:34,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934842777] [2020-12-23 08:44:34,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:34,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:34,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:34,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:34,761 INFO L87 Difference]: Start difference. First operand 43837 states and 79355 transitions. Second operand 3 states. [2020-12-23 08:44:37,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:37,650 INFO L93 Difference]: Finished difference Result 123013 states and 222515 transitions. [2020-12-23 08:44:37,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:37,651 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-12-23 08:44:37,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:37,793 INFO L225 Difference]: With dead ends: 123013 [2020-12-23 08:44:37,793 INFO L226 Difference]: Without dead ends: 79438 [2020-12-23 08:44:37,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:37,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79438 states. [2020-12-23 08:44:41,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79438 to 78911. [2020-12-23 08:44:41,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78911 states. [2020-12-23 08:44:41,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78911 states to 78911 states and 142460 transitions. [2020-12-23 08:44:41,230 INFO L78 Accepts]: Start accepts. Automaton has 78911 states and 142460 transitions. Word has length 82 [2020-12-23 08:44:41,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:41,230 INFO L481 AbstractCegarLoop]: Abstraction has 78911 states and 142460 transitions. [2020-12-23 08:44:41,230 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:41,230 INFO L276 IsEmpty]: Start isEmpty. Operand 78911 states and 142460 transitions. [2020-12-23 08:44:41,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:44:41,242 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:41,242 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] [2020-12-23 08:44:41,243 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:44:41,243 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:41,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:41,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1834920603, now seen corresponding path program 1 times [2020-12-23 08:44:41,243 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:41,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339756900] [2020-12-23 08:44:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:41,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:44:41,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339756900] [2020-12-23 08:44:41,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:41,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:44:41,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400872591] [2020-12-23 08:44:41,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:44:41,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:41,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:44:41,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:44:41,378 INFO L87 Difference]: Start difference. First operand 78911 states and 142460 transitions. Second operand 9 states. [2020-12-23 08:44:45,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:45,859 INFO L93 Difference]: Finished difference Result 81993 states and 147608 transitions. [2020-12-23 08:44:45,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-23 08:44:45,859 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-12-23 08:44:45,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:45,978 INFO L225 Difference]: With dead ends: 81993 [2020-12-23 08:44:45,978 INFO L226 Difference]: Without dead ends: 81565 [2020-12-23 08:44:45,997 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2020-12-23 08:44:46,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81565 states. [2020-12-23 08:44:49,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81565 to 79267. [2020-12-23 08:44:49,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79267 states. [2020-12-23 08:44:49,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79267 states to 79267 states and 143061 transitions. [2020-12-23 08:44:49,455 INFO L78 Accepts]: Start accepts. Automaton has 79267 states and 143061 transitions. Word has length 83 [2020-12-23 08:44:49,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:49,455 INFO L481 AbstractCegarLoop]: Abstraction has 79267 states and 143061 transitions. [2020-12-23 08:44:49,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:44:49,455 INFO L276 IsEmpty]: Start isEmpty. Operand 79267 states and 143061 transitions. [2020-12-23 08:44:49,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:44:49,468 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:49,468 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] [2020-12-23 08:44:49,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:44:49,468 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:49,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:49,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1461009629, now seen corresponding path program 1 times [2020-12-23 08:44:49,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:49,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215042985] [2020-12-23 08:44:49,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:49,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:44:49,612 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215042985] [2020-12-23 08:44:49,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:49,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 08:44:49,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793222377] [2020-12-23 08:44:49,613 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:44:49,613 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:49,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:44:49,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:44:49,614 INFO L87 Difference]: Start difference. First operand 79267 states and 143061 transitions. Second operand 11 states. [2020-12-23 08:44:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:54,886 INFO L93 Difference]: Finished difference Result 83380 states and 149984 transitions. [2020-12-23 08:44:54,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-12-23 08:44:54,887 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-12-23 08:44:54,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:55,002 INFO L225 Difference]: With dead ends: 83380 [2020-12-23 08:44:55,003 INFO L226 Difference]: Without dead ends: 82705 [2020-12-23 08:44:55,021 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2020-12-23 08:44:55,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82705 states. [2020-12-23 08:44:58,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82705 to 79474. [2020-12-23 08:44:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79474 states. [2020-12-23 08:44:58,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79474 states to 79474 states and 143403 transitions. [2020-12-23 08:44:58,396 INFO L78 Accepts]: Start accepts. Automaton has 79474 states and 143403 transitions. Word has length 84 [2020-12-23 08:44:58,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:58,396 INFO L481 AbstractCegarLoop]: Abstraction has 79474 states and 143403 transitions. [2020-12-23 08:44:58,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:44:58,396 INFO L276 IsEmpty]: Start isEmpty. Operand 79474 states and 143403 transitions. [2020-12-23 08:44:58,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:44:58,405 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:58,405 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] [2020-12-23 08:44:58,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:44:58,405 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:58,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:58,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1722219447, now seen corresponding path program 1 times [2020-12-23 08:44:58,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:58,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047050500] [2020-12-23 08:44:58,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:44:58,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047050500] [2020-12-23 08:44:58,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:58,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:44:58,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536290207] [2020-12-23 08:44:58,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:44:58,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:58,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:44:58,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:44:58,516 INFO L87 Difference]: Start difference. First operand 79474 states and 143403 transitions. Second operand 8 states. [2020-12-23 08:45:01,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:01,332 INFO L93 Difference]: Finished difference Result 80844 states and 145706 transitions. [2020-12-23 08:45:01,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 08:45:01,332 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-12-23 08:45:01,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:01,540 INFO L225 Difference]: With dead ends: 80844 [2020-12-23 08:45:01,541 INFO L226 Difference]: Without dead ends: 79770 [2020-12-23 08:45:01,558 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-12-23 08:45:01,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79770 states. [2020-12-23 08:45:04,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79770 to 79338. [2020-12-23 08:45:04,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79338 states. [2020-12-23 08:45:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79338 states to 79338 states and 143164 transitions. [2020-12-23 08:45:04,800 INFO L78 Accepts]: Start accepts. Automaton has 79338 states and 143164 transitions. Word has length 84 [2020-12-23 08:45:04,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:04,800 INFO L481 AbstractCegarLoop]: Abstraction has 79338 states and 143164 transitions. [2020-12-23 08:45:04,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 08:45:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 79338 states and 143164 transitions. [2020-12-23 08:45:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:45:04,814 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:04,814 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] [2020-12-23 08:45:04,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:45:04,815 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:04,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:04,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1085914271, now seen corresponding path program 1 times [2020-12-23 08:45:04,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:04,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272448366] [2020-12-23 08:45:04,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:45:04,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272448366] [2020-12-23 08:45:04,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:04,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:45:04,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327569282] [2020-12-23 08:45:04,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:04,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:04,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:04,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:04,936 INFO L87 Difference]: Start difference. First operand 79338 states and 143164 transitions. Second operand 5 states. [2020-12-23 08:45:08,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:08,655 INFO L93 Difference]: Finished difference Result 85131 states and 152833 transitions. [2020-12-23 08:45:08,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:45:08,655 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 85 [2020-12-23 08:45:08,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:08,873 INFO L225 Difference]: With dead ends: 85131 [2020-12-23 08:45:08,874 INFO L226 Difference]: Without dead ends: 84393 [2020-12-23 08:45:08,891 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 08:45:08,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84393 states. [2020-12-23 08:45:12,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84393 to 80213. [2020-12-23 08:45:12,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80213 states. [2020-12-23 08:45:12,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80213 states to 80213 states and 144614 transitions. [2020-12-23 08:45:12,235 INFO L78 Accepts]: Start accepts. Automaton has 80213 states and 144614 transitions. Word has length 85 [2020-12-23 08:45:12,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:12,235 INFO L481 AbstractCegarLoop]: Abstraction has 80213 states and 144614 transitions. [2020-12-23 08:45:12,235 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:45:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 80213 states and 144614 transitions. [2020-12-23 08:45:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:45:12,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:12,246 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] [2020-12-23 08:45:12,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:45:12,246 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:12,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:12,246 INFO L82 PathProgramCache]: Analyzing trace with hash -694610842, now seen corresponding path program 1 times [2020-12-23 08:45:12,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:12,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964742327] [2020-12-23 08:45:12,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:45:12,334 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964742327] [2020-12-23 08:45:12,335 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667833173] [2020-12-23 08:45:12,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:45:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:12,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:45:12,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:45:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:12,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:45:12,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-23 08:45:12,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017117226] [2020-12-23 08:45:12,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:45:12,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:12,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:45:12,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:45:12,862 INFO L87 Difference]: Start difference. First operand 80213 states and 144614 transitions. Second operand 9 states. [2020-12-23 08:45:19,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:19,442 INFO L93 Difference]: Finished difference Result 110591 states and 196004 transitions. [2020-12-23 08:45:19,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-23 08:45:19,443 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 86 [2020-12-23 08:45:19,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:19,612 INFO L225 Difference]: With dead ends: 110591 [2020-12-23 08:45:19,612 INFO L226 Difference]: Without dead ends: 108692 [2020-12-23 08:45:19,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 08:45:19,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108692 states. [2020-12-23 08:45:23,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108692 to 82652. [2020-12-23 08:45:23,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82652 states. [2020-12-23 08:45:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82652 states to 82652 states and 148923 transitions. [2020-12-23 08:45:23,439 INFO L78 Accepts]: Start accepts. Automaton has 82652 states and 148923 transitions. Word has length 86 [2020-12-23 08:45:23,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:23,439 INFO L481 AbstractCegarLoop]: Abstraction has 82652 states and 148923 transitions. [2020-12-23 08:45:23,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:45:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 82652 states and 148923 transitions. [2020-12-23 08:45:23,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 08:45:23,454 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:23,454 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] [2020-12-23 08:45:23,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2020-12-23 08:45:23,671 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:23,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:23,672 INFO L82 PathProgramCache]: Analyzing trace with hash 1784122172, now seen corresponding path program 1 times [2020-12-23 08:45:23,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:23,672 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848413598] [2020-12-23 08:45:23,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:23,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:23,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848413598] [2020-12-23 08:45:23,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:23,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:23,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983253257] [2020-12-23 08:45:23,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:23,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:23,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:23,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:23,738 INFO L87 Difference]: Start difference. First operand 82652 states and 148923 transitions. Second operand 3 states. [2020-12-23 08:45:29,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:29,603 INFO L93 Difference]: Finished difference Result 240819 states and 434080 transitions. [2020-12-23 08:45:29,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:29,603 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2020-12-23 08:45:29,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:30,113 INFO L225 Difference]: With dead ends: 240819 [2020-12-23 08:45:30,113 INFO L226 Difference]: Without dead ends: 160293 [2020-12-23 08:45:30,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:30,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160293 states. [2020-12-23 08:45:36,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160293 to 158442. [2020-12-23 08:45:36,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158442 states. [2020-12-23 08:45:37,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158442 states to 158442 states and 285318 transitions. [2020-12-23 08:45:37,375 INFO L78 Accepts]: Start accepts. Automaton has 158442 states and 285318 transitions. Word has length 86 [2020-12-23 08:45:37,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:37,375 INFO L481 AbstractCegarLoop]: Abstraction has 158442 states and 285318 transitions. [2020-12-23 08:45:37,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:45:37,375 INFO L276 IsEmpty]: Start isEmpty. Operand 158442 states and 285318 transitions. [2020-12-23 08:45:37,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 08:45:37,398 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:37,398 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] [2020-12-23 08:45:37,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:45:37,399 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:37,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:37,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1738623423, now seen corresponding path program 1 times [2020-12-23 08:45:37,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:37,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041096979] [2020-12-23 08:45:37,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:37,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:37,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041096979] [2020-12-23 08:45:37,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:37,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:45:37,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806127946] [2020-12-23 08:45:37,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:45:37,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:37,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:45:37,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:37,473 INFO L87 Difference]: Start difference. First operand 158442 states and 285318 transitions. Second operand 3 states. [2020-12-23 08:45:47,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:45:47,379 INFO L93 Difference]: Finished difference Result 284236 states and 510468 transitions. [2020-12-23 08:45:47,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:45:47,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2020-12-23 08:45:47,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:45:47,993 INFO L225 Difference]: With dead ends: 284236 [2020-12-23 08:45:47,993 INFO L226 Difference]: Without dead ends: 282385 [2020-12-23 08:45:48,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:45:48,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282385 states.