/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:41:57,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:41:57,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:41:58,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:41:58,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:41:58,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:41:58,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:41:58,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:41:58,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:41:58,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:41:58,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:41:58,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:41:58,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:41:58,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:41:58,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:41:58,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:41:58,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:41:58,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:41:58,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:41:58,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:41:58,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:41:58,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:41:58,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:41:58,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:41:58,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:41:58,096 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:41:58,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:41:58,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:41:58,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:41:58,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:41:58,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:41:58,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:41:58,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:41:58,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:41:58,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:41:58,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:41:58,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:41:58,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:41:58,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:41:58,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:41:58,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:41:58,126 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:41:58,177 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:41:58,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:41:58,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:41:58,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:41:58,180 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:41:58,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:41:58,181 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:41:58,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:41:58,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:41:58,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:41:58,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:41:58,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:41:58,183 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:41:58,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:41:58,184 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:41:58,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:41:58,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:41:58,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:41:58,185 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:41:58,185 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:41:58,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:41:58,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:41:58,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:41:58,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:41:58,187 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:41:58,187 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:41:58,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:41:58,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:41:58,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:41:58,653 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:41:58,654 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:41:58,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2021-01-06 18:41:58,746 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7a11929b8/3a3d0a1f6a154a5cb448d3fb6817d8e5/FLAG17edd3d10 [2021-01-06 18:41:59,702 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:41:59,704 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c [2021-01-06 18:41:59,736 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7a11929b8/3a3d0a1f6a154a5cb448d3fb6817d8e5/FLAG17edd3d10 [2021-01-06 18:41:59,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/7a11929b8/3a3d0a1f6a154a5cb448d3fb6817d8e5 [2021-01-06 18:41:59,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:41:59,832 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:41:59,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:41:59,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:41:59,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:41:59,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:41:59" (1/1) ... [2021-01-06 18:41:59,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@742a11d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:41:59, skipping insertion in model container [2021-01-06 18:41:59,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:41:59" (1/1) ... [2021-01-06 18:41:59,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:41:59,940 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~29,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~41,] 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[~__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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] 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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2021-01-06 18:42:00,664 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c[62347,62360] [2021-01-06 18:42:00,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:42:00,715 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~29,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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~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_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~41,] 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[~__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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] 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~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2021-01-06 18:42:00,860 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product14.cil.c[62347,62360] [2021-01-06 18:42:00,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:42:00,945 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:42:00,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00 WrapperNode [2021-01-06 18:42:00,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:42:00,947 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:42:00,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:42:00,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:42:00,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... [2021-01-06 18:42:00,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... [2021-01-06 18:42:01,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:42:01,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:42:01,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:42:01,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:42:01,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... [2021-01-06 18:42:01,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... [2021-01-06 18:42:01,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... [2021-01-06 18:42:01,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... [2021-01-06 18:42:01,212 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... [2021-01-06 18:42:01,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... [2021-01-06 18:42:01,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... [2021-01-06 18:42:01,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:42:01,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:42:01,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:42:01,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:42:01,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:42:01,399 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:42:01,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:42:01,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:42:01,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:42:03,855 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:42:03,856 INFO L299 CfgBuilder]: Removed 453 assume(true) statements. [2021-01-06 18:42:03,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:42:03 BoogieIcfgContainer [2021-01-06 18:42:03,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:42:03,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:42:03,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:42:03,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:42:03,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:41:59" (1/3) ... [2021-01-06 18:42:03,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546aa0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:42:03, skipping insertion in model container [2021-01-06 18:42:03,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:00" (2/3) ... [2021-01-06 18:42:03,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@546aa0b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:42:03, skipping insertion in model container [2021-01-06 18:42:03,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:42:03" (3/3) ... [2021-01-06 18:42:03,868 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2021-01-06 18:42:03,875 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:42:03,881 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:42:03,901 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:42:03,937 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:42:03,937 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:42:03,937 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:42:03,937 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:42:03,937 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:42:03,938 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:42:03,938 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:42:03,938 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:42:03,970 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states. [2021-01-06 18:42:03,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 18:42:03,986 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:03,987 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] [2021-01-06 18:42:03,988 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]=== [2021-01-06 18:42:03,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:03,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1142639530, now seen corresponding path program 1 times [2021-01-06 18:42:04,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:04,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739573057] [2021-01-06 18:42:04,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:04,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:04,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739573057] [2021-01-06 18:42:04,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:04,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:04,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526086969] [2021-01-06 18:42:04,504 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:04,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:04,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:04,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:04,528 INFO L87 Difference]: Start difference. First operand 760 states. Second operand 3 states. [2021-01-06 18:42:04,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:04,744 INFO L93 Difference]: Finished difference Result 2245 states and 3953 transitions. [2021-01-06 18:42:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:04,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 18:42:04,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:04,785 INFO L225 Difference]: With dead ends: 2245 [2021-01-06 18:42:04,785 INFO L226 Difference]: Without dead ends: 1376 [2021-01-06 18:42:04,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:04,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2021-01-06 18:42:04,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 697. [2021-01-06 18:42:04,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-01-06 18:42:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1218 transitions. [2021-01-06 18:42:04,901 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1218 transitions. Word has length 44 [2021-01-06 18:42:04,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:04,901 INFO L481 AbstractCegarLoop]: Abstraction has 697 states and 1218 transitions. [2021-01-06 18:42:04,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:04,902 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1218 transitions. [2021-01-06 18:42:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 18:42:04,908 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:04,909 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] [2021-01-06 18:42:04,914 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:42:04,914 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]=== [2021-01-06 18:42:04,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:04,920 INFO L82 PathProgramCache]: Analyzing trace with hash 1557153021, now seen corresponding path program 1 times [2021-01-06 18:42:04,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:04,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927414503] [2021-01-06 18:42:04,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:05,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:05,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927414503] [2021-01-06 18:42:05,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:05,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:05,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031241991] [2021-01-06 18:42:05,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:05,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:05,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:05,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:05,112 INFO L87 Difference]: Start difference. First operand 697 states and 1218 transitions. Second operand 5 states. [2021-01-06 18:42:05,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:05,359 INFO L93 Difference]: Finished difference Result 2040 states and 3570 transitions. [2021-01-06 18:42:05,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:42:05,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 18:42:05,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:05,368 INFO L225 Difference]: With dead ends: 2040 [2021-01-06 18:42:05,368 INFO L226 Difference]: Without dead ends: 1362 [2021-01-06 18:42:05,371 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:42:05,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2021-01-06 18:42:05,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 697. [2021-01-06 18:42:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-01-06 18:42:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1217 transitions. [2021-01-06 18:42:05,412 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1217 transitions. Word has length 46 [2021-01-06 18:42:05,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:05,412 INFO L481 AbstractCegarLoop]: Abstraction has 697 states and 1217 transitions. [2021-01-06 18:42:05,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:05,413 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1217 transitions. [2021-01-06 18:42:05,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:42:05,415 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:05,415 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] [2021-01-06 18:42:05,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:42:05,415 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]=== [2021-01-06 18:42:05,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:05,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1666277770, now seen corresponding path program 1 times [2021-01-06 18:42:05,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:05,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813927766] [2021-01-06 18:42:05,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:05,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:05,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813927766] [2021-01-06 18:42:05,502 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:05,502 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:05,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622879864] [2021-01-06 18:42:05,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:05,503 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:05,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:05,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:05,504 INFO L87 Difference]: Start difference. First operand 697 states and 1217 transitions. Second operand 3 states. [2021-01-06 18:42:05,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:05,556 INFO L93 Difference]: Finished difference Result 1376 states and 2408 transitions. [2021-01-06 18:42:05,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:05,556 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 18:42:05,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:05,561 INFO L225 Difference]: With dead ends: 1376 [2021-01-06 18:42:05,562 INFO L226 Difference]: Without dead ends: 702 [2021-01-06 18:42:05,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2021-01-06 18:42:05,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 697. [2021-01-06 18:42:05,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-01-06 18:42:05,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1216 transitions. [2021-01-06 18:42:05,592 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1216 transitions. Word has length 47 [2021-01-06 18:42:05,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:05,592 INFO L481 AbstractCegarLoop]: Abstraction has 697 states and 1216 transitions. [2021-01-06 18:42:05,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:05,592 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1216 transitions. [2021-01-06 18:42:05,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:42:05,594 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:05,594 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] [2021-01-06 18:42:05,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:42:05,595 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]=== [2021-01-06 18:42:05,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:05,595 INFO L82 PathProgramCache]: Analyzing trace with hash 499625936, now seen corresponding path program 1 times [2021-01-06 18:42:05,596 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:05,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516938085] [2021-01-06 18:42:05,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:05,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:05,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516938085] [2021-01-06 18:42:05,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:05,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:05,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273613150] [2021-01-06 18:42:05,671 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:05,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:05,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:05,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:05,673 INFO L87 Difference]: Start difference. First operand 697 states and 1216 transitions. Second operand 3 states. [2021-01-06 18:42:05,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:05,725 INFO L93 Difference]: Finished difference Result 1386 states and 2421 transitions. [2021-01-06 18:42:05,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:05,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 18:42:05,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:05,731 INFO L225 Difference]: With dead ends: 1386 [2021-01-06 18:42:05,731 INFO L226 Difference]: Without dead ends: 697 [2021-01-06 18:42:05,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:05,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2021-01-06 18:42:05,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 697. [2021-01-06 18:42:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-01-06 18:42:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1214 transitions. [2021-01-06 18:42:05,821 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1214 transitions. Word has length 48 [2021-01-06 18:42:05,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:05,822 INFO L481 AbstractCegarLoop]: Abstraction has 697 states and 1214 transitions. [2021-01-06 18:42:05,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:05,822 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1214 transitions. [2021-01-06 18:42:05,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:42:05,824 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:05,824 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] [2021-01-06 18:42:05,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:42:05,824 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]=== [2021-01-06 18:42:05,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:05,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1527540133, now seen corresponding path program 1 times [2021-01-06 18:42:05,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:05,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724780617] [2021-01-06 18:42:05,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:05,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:05,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724780617] [2021-01-06 18:42:05,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:05,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:05,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008378564] [2021-01-06 18:42:05,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:05,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:05,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:05,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:05,910 INFO L87 Difference]: Start difference. First operand 697 states and 1214 transitions. Second operand 5 states. [2021-01-06 18:42:06,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:06,124 INFO L93 Difference]: Finished difference Result 2030 states and 3550 transitions. [2021-01-06 18:42:06,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:42:06,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-01-06 18:42:06,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:06,133 INFO L225 Difference]: With dead ends: 2030 [2021-01-06 18:42:06,133 INFO L226 Difference]: Without dead ends: 1360 [2021-01-06 18:42:06,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:42:06,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2021-01-06 18:42:06,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 697. [2021-01-06 18:42:06,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-01-06 18:42:06,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1213 transitions. [2021-01-06 18:42:06,176 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1213 transitions. Word has length 49 [2021-01-06 18:42:06,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:06,176 INFO L481 AbstractCegarLoop]: Abstraction has 697 states and 1213 transitions. [2021-01-06 18:42:06,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:06,176 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1213 transitions. [2021-01-06 18:42:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:42:06,178 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:06,178 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] [2021-01-06 18:42:06,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:42:06,178 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]=== [2021-01-06 18:42:06,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:06,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1740387592, now seen corresponding path program 1 times [2021-01-06 18:42:06,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:06,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795117236] [2021-01-06 18:42:06,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:06,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:06,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795117236] [2021-01-06 18:42:06,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:06,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:06,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365677923] [2021-01-06 18:42:06,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:06,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:06,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:06,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:06,276 INFO L87 Difference]: Start difference. First operand 697 states and 1213 transitions. Second operand 5 states. [2021-01-06 18:42:06,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:06,511 INFO L93 Difference]: Finished difference Result 2035 states and 3555 transitions. [2021-01-06 18:42:06,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:42:06,512 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 18:42:06,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:06,520 INFO L225 Difference]: With dead ends: 2035 [2021-01-06 18:42:06,520 INFO L226 Difference]: Without dead ends: 1365 [2021-01-06 18:42:06,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:42:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2021-01-06 18:42:06,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 697. [2021-01-06 18:42:06,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2021-01-06 18:42:06,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 1212 transitions. [2021-01-06 18:42:06,611 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 1212 transitions. Word has length 50 [2021-01-06 18:42:06,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:06,612 INFO L481 AbstractCegarLoop]: Abstraction has 697 states and 1212 transitions. [2021-01-06 18:42:06,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 1212 transitions. [2021-01-06 18:42:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:42:06,613 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:06,614 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] [2021-01-06 18:42:06,614 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:42:06,614 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]=== [2021-01-06 18:42:06,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:06,619 INFO L82 PathProgramCache]: Analyzing trace with hash -194695136, now seen corresponding path program 1 times [2021-01-06 18:42:06,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:06,620 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459299508] [2021-01-06 18:42:06,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:06,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459299508] [2021-01-06 18:42:06,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:06,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:06,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080697986] [2021-01-06 18:42:06,715 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:06,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:06,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:06,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:06,726 INFO L87 Difference]: Start difference. First operand 697 states and 1212 transitions. Second operand 3 states. [2021-01-06 18:42:06,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:06,773 INFO L93 Difference]: Finished difference Result 1117 states and 1925 transitions. [2021-01-06 18:42:06,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:06,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 18:42:06,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:06,778 INFO L225 Difference]: With dead ends: 1117 [2021-01-06 18:42:06,778 INFO L226 Difference]: Without dead ends: 700 [2021-01-06 18:42:06,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:06,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2021-01-06 18:42:06,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 699. [2021-01-06 18:42:06,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2021-01-06 18:42:06,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 1214 transitions. [2021-01-06 18:42:06,822 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 1214 transitions. Word has length 51 [2021-01-06 18:42:06,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:06,822 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 1214 transitions. [2021-01-06 18:42:06,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 1214 transitions. [2021-01-06 18:42:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:42:06,824 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:06,825 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] [2021-01-06 18:42:06,825 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:42:06,825 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]=== [2021-01-06 18:42:06,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:06,826 INFO L82 PathProgramCache]: Analyzing trace with hash 1756811806, now seen corresponding path program 1 times [2021-01-06 18:42:06,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:06,826 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657587352] [2021-01-06 18:42:06,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:06,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657587352] [2021-01-06 18:42:06,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:06,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:06,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866722707] [2021-01-06 18:42:06,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:06,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:06,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:06,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:06,937 INFO L87 Difference]: Start difference. First operand 699 states and 1214 transitions. Second operand 3 states. [2021-01-06 18:42:07,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:07,053 INFO L93 Difference]: Finished difference Result 1983 states and 3466 transitions. [2021-01-06 18:42:07,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:07,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-06 18:42:07,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:07,063 INFO L225 Difference]: With dead ends: 1983 [2021-01-06 18:42:07,064 INFO L226 Difference]: Without dead ends: 1315 [2021-01-06 18:42:07,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:07,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1315 states. [2021-01-06 18:42:07,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1315 to 898. [2021-01-06 18:42:07,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 898 states. [2021-01-06 18:42:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1582 transitions. [2021-01-06 18:42:07,129 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1582 transitions. Word has length 57 [2021-01-06 18:42:07,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:07,130 INFO L481 AbstractCegarLoop]: Abstraction has 898 states and 1582 transitions. [2021-01-06 18:42:07,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1582 transitions. [2021-01-06 18:42:07,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:42:07,132 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:07,132 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] [2021-01-06 18:42:07,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:42:07,133 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]=== [2021-01-06 18:42:07,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:07,135 INFO L82 PathProgramCache]: Analyzing trace with hash 771293501, now seen corresponding path program 1 times [2021-01-06 18:42:07,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:07,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369198649] [2021-01-06 18:42:07,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:07,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:07,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369198649] [2021-01-06 18:42:07,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1925454728] [2021-01-06 18:42:07,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:42:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:07,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 853 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:42:07,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:42:07,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:42:07,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 18:42:07,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 18:42:07,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443289815] [2021-01-06 18:42:07,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:07,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:07,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:07,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:07,753 INFO L87 Difference]: Start difference. First operand 898 states and 1582 transitions. Second operand 3 states. [2021-01-06 18:42:07,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:07,840 INFO L93 Difference]: Finished difference Result 1208 states and 2108 transitions. [2021-01-06 18:42:07,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:07,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:42:07,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:07,846 INFO L225 Difference]: With dead ends: 1208 [2021-01-06 18:42:07,846 INFO L226 Difference]: Without dead ends: 886 [2021-01-06 18:42:07,847 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:07,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-01-06 18:42:07,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 886. [2021-01-06 18:42:07,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2021-01-06 18:42:07,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1564 transitions. [2021-01-06 18:42:07,904 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1564 transitions. Word has length 58 [2021-01-06 18:42:07,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:07,905 INFO L481 AbstractCegarLoop]: Abstraction has 886 states and 1564 transitions. [2021-01-06 18:42:07,905 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:07,905 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1564 transitions. [2021-01-06 18:42:07,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:42:07,907 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:07,907 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:08,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:42:08,121 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]=== [2021-01-06 18:42:08,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:08,122 INFO L82 PathProgramCache]: Analyzing trace with hash 588933269, now seen corresponding path program 1 times [2021-01-06 18:42:08,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:08,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932114289] [2021-01-06 18:42:08,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:08,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:08,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932114289] [2021-01-06 18:42:08,242 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662883134] [2021-01-06 18:42:08,243 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 [2021-01-06 18:42:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:08,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 1085 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:42:08,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:42:08,755 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:08,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:42:08,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:42:08,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187355440] [2021-01-06 18:42:08,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:08,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:08,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:08,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:08,757 INFO L87 Difference]: Start difference. First operand 886 states and 1564 transitions. Second operand 5 states. [2021-01-06 18:42:08,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:08,909 INFO L93 Difference]: Finished difference Result 1951 states and 3415 transitions. [2021-01-06 18:42:08,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:42:08,910 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 87 [2021-01-06 18:42:08,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:08,919 INFO L225 Difference]: With dead ends: 1951 [2021-01-06 18:42:08,919 INFO L226 Difference]: Without dead ends: 1546 [2021-01-06 18:42:08,921 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:08,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1546 states. [2021-01-06 18:42:09,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1546 to 1139. [2021-01-06 18:42:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1139 states. [2021-01-06 18:42:09,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 2029 transitions. [2021-01-06 18:42:09,021 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 2029 transitions. Word has length 87 [2021-01-06 18:42:09,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:09,022 INFO L481 AbstractCegarLoop]: Abstraction has 1139 states and 2029 transitions. [2021-01-06 18:42:09,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 2029 transitions. [2021-01-06 18:42:09,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:42:09,031 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:09,031 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:09,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 18:42:09,246 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]=== [2021-01-06 18:42:09,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:09,248 INFO L82 PathProgramCache]: Analyzing trace with hash 741108994, now seen corresponding path program 1 times [2021-01-06 18:42:09,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:09,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285417300] [2021-01-06 18:42:09,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:09,341 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285417300] [2021-01-06 18:42:09,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:09,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:09,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129288950] [2021-01-06 18:42:09,342 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:09,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:09,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:09,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:09,343 INFO L87 Difference]: Start difference. First operand 1139 states and 2029 transitions. Second operand 3 states. [2021-01-06 18:42:09,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:09,499 INFO L93 Difference]: Finished difference Result 3044 states and 5436 transitions. [2021-01-06 18:42:09,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:09,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2021-01-06 18:42:09,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:09,511 INFO L225 Difference]: With dead ends: 3044 [2021-01-06 18:42:09,511 INFO L226 Difference]: Without dead ends: 1994 [2021-01-06 18:42:09,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:09,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2021-01-06 18:42:09,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1589. [2021-01-06 18:42:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1589 states. [2021-01-06 18:42:09,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2857 transitions. [2021-01-06 18:42:09,650 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2857 transitions. Word has length 93 [2021-01-06 18:42:09,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:09,650 INFO L481 AbstractCegarLoop]: Abstraction has 1589 states and 2857 transitions. [2021-01-06 18:42:09,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:09,650 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2857 transitions. [2021-01-06 18:42:09,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-06 18:42:09,656 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:09,657 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:09,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:42:09,657 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]=== [2021-01-06 18:42:09,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:09,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1931694286, now seen corresponding path program 2 times [2021-01-06 18:42:09,658 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:09,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175664190] [2021-01-06 18:42:09,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:09,773 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:09,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [175664190] [2021-01-06 18:42:09,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:09,774 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:09,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5449994] [2021-01-06 18:42:09,774 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:09,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:09,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:09,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:09,776 INFO L87 Difference]: Start difference. First operand 1589 states and 2857 transitions. Second operand 5 states. [2021-01-06 18:42:10,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:10,041 INFO L93 Difference]: Finished difference Result 3297 states and 5899 transitions. [2021-01-06 18:42:10,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:42:10,041 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2021-01-06 18:42:10,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:10,054 INFO L225 Difference]: With dead ends: 3297 [2021-01-06 18:42:10,054 INFO L226 Difference]: Without dead ends: 1994 [2021-01-06 18:42:10,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:42:10,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1994 states. [2021-01-06 18:42:10,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1994 to 1589. [2021-01-06 18:42:10,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1589 states. [2021-01-06 18:42:10,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2855 transitions. [2021-01-06 18:42:10,176 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2855 transitions. Word has length 94 [2021-01-06 18:42:10,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:10,177 INFO L481 AbstractCegarLoop]: Abstraction has 1589 states and 2855 transitions. [2021-01-06 18:42:10,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:10,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2855 transitions. [2021-01-06 18:42:10,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-06 18:42:10,182 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:10,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:10,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:42:10,182 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]=== [2021-01-06 18:42:10,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:10,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1397042413, now seen corresponding path program 1 times [2021-01-06 18:42:10,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:10,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801536275] [2021-01-06 18:42:10,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:10,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:10,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801536275] [2021-01-06 18:42:10,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:10,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:10,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140653461] [2021-01-06 18:42:10,285 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:10,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:10,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:10,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:10,287 INFO L87 Difference]: Start difference. First operand 1589 states and 2855 transitions. Second operand 3 states. [2021-01-06 18:42:10,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:10,481 INFO L93 Difference]: Finished difference Result 4366 states and 7869 transitions. [2021-01-06 18:42:10,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:10,482 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2021-01-06 18:42:10,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:10,498 INFO L225 Difference]: With dead ends: 4366 [2021-01-06 18:42:10,498 INFO L226 Difference]: Without dead ends: 2874 [2021-01-06 18:42:10,503 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:10,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2874 states. [2021-01-06 18:42:10,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2874 to 2469. [2021-01-06 18:42:10,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2469 states. [2021-01-06 18:42:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2469 states and 4474 transitions. [2021-01-06 18:42:10,675 INFO L78 Accepts]: Start accepts. Automaton has 2469 states and 4474 transitions. Word has length 94 [2021-01-06 18:42:10,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:10,675 INFO L481 AbstractCegarLoop]: Abstraction has 2469 states and 4474 transitions. [2021-01-06 18:42:10,675 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:10,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 4474 transitions. [2021-01-06 18:42:10,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-06 18:42:10,685 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:10,685 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:10,685 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:42:10,685 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]=== [2021-01-06 18:42:10,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:10,686 INFO L82 PathProgramCache]: Analyzing trace with hash 1173192064, now seen corresponding path program 1 times [2021-01-06 18:42:10,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:10,686 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709005067] [2021-01-06 18:42:10,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:10,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:10,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709005067] [2021-01-06 18:42:10,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:10,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:10,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276248906] [2021-01-06 18:42:10,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:10,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:10,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:10,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:10,805 INFO L87 Difference]: Start difference. First operand 2469 states and 4474 transitions. Second operand 3 states. [2021-01-06 18:42:11,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:11,072 INFO L93 Difference]: Finished difference Result 6742 states and 12245 transitions. [2021-01-06 18:42:11,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:11,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 95 [2021-01-06 18:42:11,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:11,118 INFO L225 Difference]: With dead ends: 6742 [2021-01-06 18:42:11,118 INFO L226 Difference]: Without dead ends: 4404 [2021-01-06 18:42:11,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:11,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4404 states. [2021-01-06 18:42:11,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4404 to 3999. [2021-01-06 18:42:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3999 states. [2021-01-06 18:42:11,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3999 states to 3999 states and 7287 transitions. [2021-01-06 18:42:11,486 INFO L78 Accepts]: Start accepts. Automaton has 3999 states and 7287 transitions. Word has length 95 [2021-01-06 18:42:11,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:11,487 INFO L481 AbstractCegarLoop]: Abstraction has 3999 states and 7287 transitions. [2021-01-06 18:42:11,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:11,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 7287 transitions. [2021-01-06 18:42:11,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 18:42:11,497 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:11,497 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:11,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:42:11,498 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]=== [2021-01-06 18:42:11,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:11,499 INFO L82 PathProgramCache]: Analyzing trace with hash 326948898, now seen corresponding path program 1 times [2021-01-06 18:42:11,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:11,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947278780] [2021-01-06 18:42:11,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:11,580 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947278780] [2021-01-06 18:42:11,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:11,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:11,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639871634] [2021-01-06 18:42:11,581 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:11,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:11,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:11,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:11,582 INFO L87 Difference]: Start difference. First operand 3999 states and 7287 transitions. Second operand 3 states. [2021-01-06 18:42:11,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:11,957 INFO L93 Difference]: Finished difference Result 11048 states and 20167 transitions. [2021-01-06 18:42:11,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:11,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-06 18:42:11,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:11,979 INFO L225 Difference]: With dead ends: 11048 [2021-01-06 18:42:11,979 INFO L226 Difference]: Without dead ends: 7214 [2021-01-06 18:42:11,987 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:11,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7214 states. [2021-01-06 18:42:12,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7214 to 6809. [2021-01-06 18:42:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6809 states. [2021-01-06 18:42:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6809 states to 6809 states and 12448 transitions. [2021-01-06 18:42:12,482 INFO L78 Accepts]: Start accepts. Automaton has 6809 states and 12448 transitions. Word has length 96 [2021-01-06 18:42:12,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:12,483 INFO L481 AbstractCegarLoop]: Abstraction has 6809 states and 12448 transitions. [2021-01-06 18:42:12,483 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:12,483 INFO L276 IsEmpty]: Start isEmpty. Operand 6809 states and 12448 transitions. [2021-01-06 18:42:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 18:42:12,499 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:12,499 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:12,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:42:12,499 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]=== [2021-01-06 18:42:12,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:12,500 INFO L82 PathProgramCache]: Analyzing trace with hash 761201246, now seen corresponding path program 1 times [2021-01-06 18:42:12,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:12,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909234720] [2021-01-06 18:42:12,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:12,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:42:12,603 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909234720] [2021-01-06 18:42:12,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:12,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:12,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490292116] [2021-01-06 18:42:12,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:12,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:12,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:12,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:12,606 INFO L87 Difference]: Start difference. First operand 6809 states and 12448 transitions. Second operand 5 states. [2021-01-06 18:42:13,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:13,456 INFO L93 Difference]: Finished difference Result 19568 states and 35811 transitions. [2021-01-06 18:42:13,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:42:13,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2021-01-06 18:42:13,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:13,500 INFO L225 Difference]: With dead ends: 19568 [2021-01-06 18:42:13,501 INFO L226 Difference]: Without dead ends: 13045 [2021-01-06 18:42:13,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:42:13,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13045 states. [2021-01-06 18:42:14,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13045 to 6809. [2021-01-06 18:42:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6809 states. [2021-01-06 18:42:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6809 states to 6809 states and 12398 transitions. [2021-01-06 18:42:14,051 INFO L78 Accepts]: Start accepts. Automaton has 6809 states and 12398 transitions. Word has length 97 [2021-01-06 18:42:14,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:14,051 INFO L481 AbstractCegarLoop]: Abstraction has 6809 states and 12398 transitions. [2021-01-06 18:42:14,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:14,052 INFO L276 IsEmpty]: Start isEmpty. Operand 6809 states and 12398 transitions. [2021-01-06 18:42:14,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 18:42:14,066 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:14,067 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:14,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:42:14,067 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]=== [2021-01-06 18:42:14,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:14,068 INFO L82 PathProgramCache]: Analyzing trace with hash 1727203439, now seen corresponding path program 1 times [2021-01-06 18:42:14,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:14,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544888650] [2021-01-06 18:42:14,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:14,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:14,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544888650] [2021-01-06 18:42:14,142 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:14,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:14,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411953490] [2021-01-06 18:42:14,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:14,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:14,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:14,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:14,149 INFO L87 Difference]: Start difference. First operand 6809 states and 12398 transitions. Second operand 3 states. [2021-01-06 18:42:14,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:14,997 INFO L93 Difference]: Finished difference Result 19936 states and 36345 transitions. [2021-01-06 18:42:14,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:14,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 18:42:14,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:15,042 INFO L225 Difference]: With dead ends: 19936 [2021-01-06 18:42:15,042 INFO L226 Difference]: Without dead ends: 13296 [2021-01-06 18:42:15,056 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:15,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13296 states. [2021-01-06 18:42:15,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13296 to 12891. [2021-01-06 18:42:15,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12891 states. [2021-01-06 18:42:15,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12891 states to 12891 states and 23503 transitions. [2021-01-06 18:42:15,873 INFO L78 Accepts]: Start accepts. Automaton has 12891 states and 23503 transitions. Word has length 97 [2021-01-06 18:42:15,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:15,874 INFO L481 AbstractCegarLoop]: Abstraction has 12891 states and 23503 transitions. [2021-01-06 18:42:15,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:15,874 INFO L276 IsEmpty]: Start isEmpty. Operand 12891 states and 23503 transitions. [2021-01-06 18:42:15,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 18:42:15,899 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:15,900 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:15,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:42:15,900 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]=== [2021-01-06 18:42:15,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:15,901 INFO L82 PathProgramCache]: Analyzing trace with hash -608908349, now seen corresponding path program 1 times [2021-01-06 18:42:15,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:15,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870941578] [2021-01-06 18:42:15,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:16,197 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:42:16,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870941578] [2021-01-06 18:42:16,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:16,198 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:42:16,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265617388] [2021-01-06 18:42:16,199 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:42:16,199 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:16,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:42:16,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:42:16,200 INFO L87 Difference]: Start difference. First operand 12891 states and 23503 transitions. Second operand 9 states. [2021-01-06 18:42:19,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:19,390 INFO L93 Difference]: Finished difference Result 27274 states and 49519 transitions. [2021-01-06 18:42:19,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:42:19,391 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2021-01-06 18:42:19,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:19,485 INFO L225 Difference]: With dead ends: 27274 [2021-01-06 18:42:19,485 INFO L226 Difference]: Without dead ends: 26926 [2021-01-06 18:42:19,495 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:42:19,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26926 states. [2021-01-06 18:42:20,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26926 to 25519. [2021-01-06 18:42:20,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25519 states. [2021-01-06 18:42:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25519 states to 25519 states and 46557 transitions. [2021-01-06 18:42:20,858 INFO L78 Accepts]: Start accepts. Automaton has 25519 states and 46557 transitions. Word has length 98 [2021-01-06 18:42:20,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:20,858 INFO L481 AbstractCegarLoop]: Abstraction has 25519 states and 46557 transitions. [2021-01-06 18:42:20,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:42:20,858 INFO L276 IsEmpty]: Start isEmpty. Operand 25519 states and 46557 transitions. [2021-01-06 18:42:20,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 18:42:20,904 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:20,904 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:20,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:42:20,905 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]=== [2021-01-06 18:42:20,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:20,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1787360837, now seen corresponding path program 1 times [2021-01-06 18:42:20,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:20,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553601067] [2021-01-06 18:42:20,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:20,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:20,987 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:42:20,987 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553601067] [2021-01-06 18:42:20,988 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:20,988 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:42:20,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878437338] [2021-01-06 18:42:20,990 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:42:20,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:20,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:42:20,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:42:20,991 INFO L87 Difference]: Start difference. First operand 25519 states and 46557 transitions. Second operand 4 states. [2021-01-06 18:42:22,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:22,379 INFO L93 Difference]: Finished difference Result 26259 states and 47814 transitions. [2021-01-06 18:42:22,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:42:22,379 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2021-01-06 18:42:22,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:22,470 INFO L225 Difference]: With dead ends: 26259 [2021-01-06 18:42:22,470 INFO L226 Difference]: Without dead ends: 25859 [2021-01-06 18:42:22,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:22,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25859 states. [2021-01-06 18:42:23,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25859 to 25518. [2021-01-06 18:42:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25518 states. [2021-01-06 18:42:23,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25518 states to 25518 states and 46553 transitions. [2021-01-06 18:42:23,456 INFO L78 Accepts]: Start accepts. Automaton has 25518 states and 46553 transitions. Word has length 99 [2021-01-06 18:42:23,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:23,456 INFO L481 AbstractCegarLoop]: Abstraction has 25518 states and 46553 transitions. [2021-01-06 18:42:23,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:42:23,456 INFO L276 IsEmpty]: Start isEmpty. Operand 25518 states and 46553 transitions. [2021-01-06 18:42:23,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 18:42:23,517 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:23,518 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:23,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:42:23,518 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]=== [2021-01-06 18:42:23,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:23,519 INFO L82 PathProgramCache]: Analyzing trace with hash 852890946, now seen corresponding path program 1 times [2021-01-06 18:42:23,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:23,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589817203] [2021-01-06 18:42:23,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:23,618 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:42:23,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589817203] [2021-01-06 18:42:23,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:23,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:42:23,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910172417] [2021-01-06 18:42:23,619 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:42:23,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:23,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:42:23,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:42:23,620 INFO L87 Difference]: Start difference. First operand 25518 states and 46553 transitions. Second operand 7 states. [2021-01-06 18:42:24,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:24,808 INFO L93 Difference]: Finished difference Result 26327 states and 47914 transitions. [2021-01-06 18:42:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:42:24,809 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 100 [2021-01-06 18:42:24,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:24,880 INFO L225 Difference]: With dead ends: 26327 [2021-01-06 18:42:24,881 INFO L226 Difference]: Without dead ends: 25665 [2021-01-06 18:42:24,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-01-06 18:42:24,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25665 states. [2021-01-06 18:42:26,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25665 to 25482. [2021-01-06 18:42:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25482 states. [2021-01-06 18:42:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25482 states to 25482 states and 46472 transitions. [2021-01-06 18:42:26,255 INFO L78 Accepts]: Start accepts. Automaton has 25482 states and 46472 transitions. Word has length 100 [2021-01-06 18:42:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:26,255 INFO L481 AbstractCegarLoop]: Abstraction has 25482 states and 46472 transitions. [2021-01-06 18:42:26,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:42:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 25482 states and 46472 transitions. [2021-01-06 18:42:26,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 18:42:26,286 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:26,286 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:26,286 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:42:26,287 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]=== [2021-01-06 18:42:26,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:26,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1068813462, now seen corresponding path program 1 times [2021-01-06 18:42:26,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:26,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972716964] [2021-01-06 18:42:26,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:42:26,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972716964] [2021-01-06 18:42:26,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:26,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:42:26,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120922553] [2021-01-06 18:42:26,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:42:26,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:26,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:42:26,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:42:26,419 INFO L87 Difference]: Start difference. First operand 25482 states and 46472 transitions. Second operand 9 states. [2021-01-06 18:42:29,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:29,608 INFO L93 Difference]: Finished difference Result 54262 states and 98447 transitions. [2021-01-06 18:42:29,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-06 18:42:29,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2021-01-06 18:42:29,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:29,712 INFO L225 Difference]: With dead ends: 54262 [2021-01-06 18:42:29,712 INFO L226 Difference]: Without dead ends: 53636 [2021-01-06 18:42:29,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=337, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:42:29,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53636 states. [2021-01-06 18:42:32,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53636 to 50628. [2021-01-06 18:42:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50628 states. [2021-01-06 18:42:32,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50628 states to 50628 states and 92363 transitions. [2021-01-06 18:42:32,397 INFO L78 Accepts]: Start accepts. Automaton has 50628 states and 92363 transitions. Word has length 100 [2021-01-06 18:42:32,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:32,398 INFO L481 AbstractCegarLoop]: Abstraction has 50628 states and 92363 transitions. [2021-01-06 18:42:32,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:42:32,398 INFO L276 IsEmpty]: Start isEmpty. Operand 50628 states and 92363 transitions. [2021-01-06 18:42:32,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 18:42:32,447 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:32,447 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:32,447 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:42:32,447 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]=== [2021-01-06 18:42:32,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:32,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1966206740, now seen corresponding path program 1 times [2021-01-06 18:42:32,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:32,448 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388666397] [2021-01-06 18:42:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:32,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:42:32,586 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388666397] [2021-01-06 18:42:32,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:32,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:42:32,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915916291] [2021-01-06 18:42:32,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:42:32,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:32,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:42:32,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:42:32,588 INFO L87 Difference]: Start difference. First operand 50628 states and 92363 transitions. Second operand 9 states. [2021-01-06 18:42:35,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:35,509 INFO L93 Difference]: Finished difference Result 55706 states and 100904 transitions. [2021-01-06 18:42:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:42:35,510 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2021-01-06 18:42:35,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:35,601 INFO L225 Difference]: With dead ends: 55706 [2021-01-06 18:42:35,602 INFO L226 Difference]: Without dead ends: 54714 [2021-01-06 18:42:35,621 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 [2021-01-06 18:42:35,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54714 states. [2021-01-06 18:42:38,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54714 to 50855. [2021-01-06 18:42:38,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50855 states. [2021-01-06 18:42:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50855 states to 50855 states and 92724 transitions. [2021-01-06 18:42:38,253 INFO L78 Accepts]: Start accepts. Automaton has 50855 states and 92724 transitions. Word has length 100 [2021-01-06 18:42:38,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:38,253 INFO L481 AbstractCegarLoop]: Abstraction has 50855 states and 92724 transitions. [2021-01-06 18:42:38,253 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:42:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 50855 states and 92724 transitions. [2021-01-06 18:42:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 18:42:38,310 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:38,310 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:38,311 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:42:38,311 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]=== [2021-01-06 18:42:38,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:38,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1144279620, now seen corresponding path program 1 times [2021-01-06 18:42:38,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:38,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427163868] [2021-01-06 18:42:38,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:42:38,429 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427163868] [2021-01-06 18:42:38,429 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:38,429 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:42:38,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714288336] [2021-01-06 18:42:38,430 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:38,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:38,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:38,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:38,434 INFO L87 Difference]: Start difference. First operand 50855 states and 92724 transitions. Second operand 5 states. [2021-01-06 18:42:40,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:40,356 INFO L93 Difference]: Finished difference Result 50855 states and 92724 transitions. [2021-01-06 18:42:40,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:42:40,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2021-01-06 18:42:40,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:40,438 INFO L225 Difference]: With dead ends: 50855 [2021-01-06 18:42:40,438 INFO L226 Difference]: Without dead ends: 49863 [2021-01-06 18:42:40,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:42:40,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49863 states. [2021-01-06 18:42:42,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49863 to 49718. [2021-01-06 18:42:42,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49718 states. [2021-01-06 18:42:42,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49718 states to 49718 states and 90819 transitions. [2021-01-06 18:42:42,429 INFO L78 Accepts]: Start accepts. Automaton has 49718 states and 90819 transitions. Word has length 101 [2021-01-06 18:42:42,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:42,429 INFO L481 AbstractCegarLoop]: Abstraction has 49718 states and 90819 transitions. [2021-01-06 18:42:42,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:42,430 INFO L276 IsEmpty]: Start isEmpty. Operand 49718 states and 90819 transitions. [2021-01-06 18:42:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 18:42:42,477 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:42,478 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:42,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:42:42,478 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]=== [2021-01-06 18:42:42,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:42,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1075086174, now seen corresponding path program 1 times [2021-01-06 18:42:42,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:42,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433340155] [2021-01-06 18:42:42,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:42:42,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433340155] [2021-01-06 18:42:42,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:42,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:42,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565898938] [2021-01-06 18:42:42,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:42,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:42,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:42,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:42,559 INFO L87 Difference]: Start difference. First operand 49718 states and 90819 transitions. Second operand 5 states. [2021-01-06 18:42:44,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:44,424 INFO L93 Difference]: Finished difference Result 50151 states and 91516 transitions. [2021-01-06 18:42:44,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:42:44,425 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 104 [2021-01-06 18:42:44,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:44,503 INFO L225 Difference]: With dead ends: 50151 [2021-01-06 18:42:44,503 INFO L226 Difference]: Without dead ends: 49775 [2021-01-06 18:42:44,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:42:44,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49775 states. [2021-01-06 18:42:46,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49775 to 49718. [2021-01-06 18:42:46,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49718 states. [2021-01-06 18:42:46,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49718 states to 49718 states and 90807 transitions. [2021-01-06 18:42:46,659 INFO L78 Accepts]: Start accepts. Automaton has 49718 states and 90807 transitions. Word has length 104 [2021-01-06 18:42:46,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:46,660 INFO L481 AbstractCegarLoop]: Abstraction has 49718 states and 90807 transitions. [2021-01-06 18:42:46,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:46,660 INFO L276 IsEmpty]: Start isEmpty. Operand 49718 states and 90807 transitions. [2021-01-06 18:42:46,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:42:46,708 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:46,708 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:46,708 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:42:46,709 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]=== [2021-01-06 18:42:46,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:46,709 INFO L82 PathProgramCache]: Analyzing trace with hash -2124339058, now seen corresponding path program 1 times [2021-01-06 18:42:46,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:46,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669608226] [2021-01-06 18:42:46,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:46,878 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:42:46,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669608226] [2021-01-06 18:42:46,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:46,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:42:46,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655591009] [2021-01-06 18:42:46,879 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:42:46,879 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:46,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:42:46,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:42:46,880 INFO L87 Difference]: Start difference. First operand 49718 states and 90807 transitions. Second operand 11 states. [2021-01-06 18:42:48,275 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2021-01-06 18:42:52,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:52,394 INFO L93 Difference]: Finished difference Result 102788 states and 187026 transitions. [2021-01-06 18:42:52,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-01-06 18:42:52,394 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 105 [2021-01-06 18:42:52,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:52,569 INFO L225 Difference]: With dead ends: 102788 [2021-01-06 18:42:52,570 INFO L226 Difference]: Without dead ends: 102724 [2021-01-06 18:42:52,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1094 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=682, Invalid=2740, Unknown=0, NotChecked=0, Total=3422 [2021-01-06 18:42:52,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102724 states. [2021-01-06 18:42:56,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102724 to 98586. [2021-01-06 18:42:56,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98586 states. [2021-01-06 18:42:56,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98586 states to 98586 states and 180175 transitions. [2021-01-06 18:42:56,943 INFO L78 Accepts]: Start accepts. Automaton has 98586 states and 180175 transitions. Word has length 105 [2021-01-06 18:42:56,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:56,944 INFO L481 AbstractCegarLoop]: Abstraction has 98586 states and 180175 transitions. [2021-01-06 18:42:56,944 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:42:56,944 INFO L276 IsEmpty]: Start isEmpty. Operand 98586 states and 180175 transitions. [2021-01-06 18:42:57,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:42:57,015 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:57,015 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:57,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:42:57,016 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]=== [2021-01-06 18:42:57,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:57,016 INFO L82 PathProgramCache]: Analyzing trace with hash 367629770, now seen corresponding path program 1 times [2021-01-06 18:42:57,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:57,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199614682] [2021-01-06 18:42:57,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:42:57,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199614682] [2021-01-06 18:42:57,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:57,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:42:57,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750742658] [2021-01-06 18:42:57,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:42:57,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:57,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:42:57,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:42:57,129 INFO L87 Difference]: Start difference. First operand 98586 states and 180175 transitions. Second operand 8 states. [2021-01-06 18:43:02,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:02,069 INFO L93 Difference]: Finished difference Result 102233 states and 186064 transitions. [2021-01-06 18:43:02,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-01-06 18:43:02,069 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2021-01-06 18:43:02,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:02,252 INFO L225 Difference]: With dead ends: 102233 [2021-01-06 18:43:02,252 INFO L226 Difference]: Without dead ends: 102048 [2021-01-06 18:43:02,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 690 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=441, Invalid=1721, Unknown=0, NotChecked=0, Total=2162 [2021-01-06 18:43:02,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102048 states. [2021-01-06 18:43:06,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102048 to 98630. [2021-01-06 18:43:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98630 states. [2021-01-06 18:43:06,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98630 states to 98630 states and 180236 transitions. [2021-01-06 18:43:06,602 INFO L78 Accepts]: Start accepts. Automaton has 98630 states and 180236 transitions. Word has length 106 [2021-01-06 18:43:06,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:06,602 INFO L481 AbstractCegarLoop]: Abstraction has 98630 states and 180236 transitions. [2021-01-06 18:43:06,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:43:06,602 INFO L276 IsEmpty]: Start isEmpty. Operand 98630 states and 180236 transitions. [2021-01-06 18:43:06,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:43:06,699 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:06,699 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:06,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:43:06,700 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]=== [2021-01-06 18:43:06,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:06,700 INFO L82 PathProgramCache]: Analyzing trace with hash 2104577520, now seen corresponding path program 1 times [2021-01-06 18:43:06,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:06,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631560825] [2021-01-06 18:43:06,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:06,831 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:43:06,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631560825] [2021-01-06 18:43:06,831 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:06,831 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:43:06,832 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604898743] [2021-01-06 18:43:06,832 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:43:06,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:06,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:43:06,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:43:06,833 INFO L87 Difference]: Start difference. First operand 98630 states and 180236 transitions. Second operand 9 states. [2021-01-06 18:43:10,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:10,278 INFO L93 Difference]: Finished difference Result 99086 states and 180975 transitions. [2021-01-06 18:43:10,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:43:10,278 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2021-01-06 18:43:10,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:10,458 INFO L225 Difference]: With dead ends: 99086 [2021-01-06 18:43:10,459 INFO L226 Difference]: Without dead ends: 98582 [2021-01-06 18:43:10,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-01-06 18:43:10,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98582 states. [2021-01-06 18:43:14,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98582 to 98582. [2021-01-06 18:43:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98582 states. [2021-01-06 18:43:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98582 states to 98582 states and 180137 transitions. [2021-01-06 18:43:14,488 INFO L78 Accepts]: Start accepts. Automaton has 98582 states and 180137 transitions. Word has length 106 [2021-01-06 18:43:14,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:14,488 INFO L481 AbstractCegarLoop]: Abstraction has 98582 states and 180137 transitions. [2021-01-06 18:43:14,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:43:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 98582 states and 180137 transitions. [2021-01-06 18:43:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:43:14,557 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:14,558 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:14,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:43:14,558 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:14,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:14,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1257510749, now seen corresponding path program 1 times [2021-01-06 18:43:14,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:14,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021092189] [2021-01-06 18:43:14,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:43:14,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021092189] [2021-01-06 18:43:14,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:14,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:14,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873098782] [2021-01-06 18:43:14,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:14,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:14,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:14,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:14,624 INFO L87 Difference]: Start difference. First operand 98582 states and 180137 transitions. Second operand 3 states.