/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_spec4_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:00:06,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:00:06,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:00:06,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:00:06,327 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:00:06,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:00:06,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:00:06,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:00:06,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:00:06,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:00:06,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:00:06,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:00:06,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:00:06,340 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:00:06,341 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:00:06,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:00:06,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:00:06,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:00:06,347 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:00:06,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:00:06,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:00:06,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:00:06,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:00:06,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:00:06,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:00:06,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:00:06,383 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:00:06,387 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:00:06,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:00:06,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:00:06,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:00:06,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:00:06,403 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:00:06,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:00:06,408 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:00:06,409 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:00:06,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:00:06,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:00:06,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:00:06,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:00:06,411 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:00:06,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:00:06,445 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:00:06,445 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:00:06,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:00:06,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:00:06,447 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:00:06,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:00:06,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:00:06,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:00:06,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:00:06,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:00:06,448 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:00:06,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:00:06,449 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:00:06,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:00:06,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:00:06,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:00:06,450 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:00:06,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:00:06,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:00:06,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:00:06,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:00:06,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:00:06,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:00:06,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:00:06,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:00:06,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:00:06,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:00:06,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:00:06,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:00:06,845 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:00:06,846 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:00:06,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product30.cil.c [2020-12-23 09:00:06,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0b72a5487/186d3686ab2e470ba248524ff4674afb/FLAG791f82e6c [2020-12-23 09:00:07,683 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:00:07,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product30.cil.c [2020-12-23 09:00:07,717 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0b72a5487/186d3686ab2e470ba248524ff4674afb/FLAG791f82e6c [2020-12-23 09:00:07,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0b72a5487/186d3686ab2e470ba248524ff4674afb [2020-12-23 09:00:07,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:00:07,884 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:00:07,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:00:07,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:00:07,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:00:07,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:00:07" (1/1) ... [2020-12-23 09:00:07,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29f9927b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:07, skipping insertion in model container [2020-12-23 09:00:07,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:00:07" (1/1) ... [2020-12-23 09:00:07,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:00:08,003 INFO L178 MainTranslator]: Built tables and reachable declarations 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[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~4,] 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[~__cil_tmp4~1,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~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_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~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_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~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_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~15,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~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[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] 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[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] 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_tmp3~4,] 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_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~41,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 09:00:08,727 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_spec4_product30.cil.c[63788,63801] [2020-12-23 09:00:08,731 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:00:08,743 INFO L203 MainTranslator]: Completed pre-run 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[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~4,] 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[~__cil_tmp4~1,] 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[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~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_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~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_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~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_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~15,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~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[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~16,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] 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[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] 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_tmp3~4,] 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_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] 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~41,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 09:00:08,954 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_spec4_product30.cil.c[63788,63801] [2020-12-23 09:00:08,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:00:09,062 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:00:09,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09 WrapperNode [2020-12-23 09:00:09,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:00:09,064 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:00:09,065 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:00:09,065 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:00:09,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... [2020-12-23 09:00:09,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... [2020-12-23 09:00:09,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:00:09,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:00:09,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:00:09,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:00:09,264 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... [2020-12-23 09:00:09,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... [2020-12-23 09:00:09,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... [2020-12-23 09:00:09,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... [2020-12-23 09:00:09,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... [2020-12-23 09:00:09,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... [2020-12-23 09:00:09,367 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... [2020-12-23 09:00:09,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:00:09,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:00:09,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:00:09,396 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:00:09,397 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:00:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:00:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:00:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:00:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:00:09,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:00:12,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:00:12,083 INFO L299 CfgBuilder]: Removed 319 assume(true) statements. [2020-12-23 09:00:12,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:00:12 BoogieIcfgContainer [2020-12-23 09:00:12,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:00:12,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:00:12,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:00:12,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:00:12,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:00:07" (1/3) ... [2020-12-23 09:00:12,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e17087e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:00:12, skipping insertion in model container [2020-12-23 09:00:12,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:00:09" (2/3) ... [2020-12-23 09:00:12,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e17087e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:00:12, skipping insertion in model container [2020-12-23 09:00:12,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:00:12" (3/3) ... [2020-12-23 09:00:12,095 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product30.cil.c [2020-12-23 09:00:12,101 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:00:12,107 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 09:00:12,125 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 09:00:12,159 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:00:12,161 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:00:12,161 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:00:12,161 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:00:12,162 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:00:12,162 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:00:12,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:00:12,162 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:00:12,187 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states. [2020-12-23 09:00:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 09:00:12,200 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:12,201 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:12,202 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:12,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:12,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1911646779, now seen corresponding path program 1 times [2020-12-23 09:00:12,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:12,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856143891] [2020-12-23 09:00:12,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:12,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:12,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856143891] [2020-12-23 09:00:12,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:12,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:12,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639241777] [2020-12-23 09:00:12,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:12,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:12,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:12,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:12,690 INFO L87 Difference]: Start difference. First operand 505 states. Second operand 3 states. [2020-12-23 09:00:12,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:12,870 INFO L93 Difference]: Finished difference Result 1480 states and 2594 transitions. [2020-12-23 09:00:12,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:12,872 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-23 09:00:12,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:12,916 INFO L225 Difference]: With dead ends: 1480 [2020-12-23 09:00:12,916 INFO L226 Difference]: Without dead ends: 834 [2020-12-23 09:00:12,928 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:12,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2020-12-23 09:00:13,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 426. [2020-12-23 09:00:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-12-23 09:00:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 743 transitions. [2020-12-23 09:00:13,049 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 743 transitions. Word has length 47 [2020-12-23 09:00:13,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:13,050 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 743 transitions. [2020-12-23 09:00:13,050 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:13,050 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 743 transitions. [2020-12-23 09:00:13,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 09:00:13,061 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:13,062 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] [2020-12-23 09:00:13,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:00:13,062 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:13,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:13,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1171212398, now seen corresponding path program 1 times [2020-12-23 09:00:13,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:13,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723177851] [2020-12-23 09:00:13,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:13,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:13,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723177851] [2020-12-23 09:00:13,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:13,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:00:13,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363917188] [2020-12-23 09:00:13,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:00:13,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:13,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:00:13,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:13,341 INFO L87 Difference]: Start difference. First operand 426 states and 743 transitions. Second operand 5 states. [2020-12-23 09:00:13,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:13,537 INFO L93 Difference]: Finished difference Result 1227 states and 2145 transitions. [2020-12-23 09:00:13,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:00:13,538 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 09:00:13,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:13,543 INFO L225 Difference]: With dead ends: 1227 [2020-12-23 09:00:13,544 INFO L226 Difference]: Without dead ends: 820 [2020-12-23 09:00:13,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:00:13,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2020-12-23 09:00:13,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 426. [2020-12-23 09:00:13,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-12-23 09:00:13,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 742 transitions. [2020-12-23 09:00:13,572 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 742 transitions. Word has length 49 [2020-12-23 09:00:13,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:13,572 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 742 transitions. [2020-12-23 09:00:13,572 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:13,572 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 742 transitions. [2020-12-23 09:00:13,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:00:13,574 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:13,574 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] [2020-12-23 09:00:13,575 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:00:13,575 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:13,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:13,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1526058011, now seen corresponding path program 1 times [2020-12-23 09:00:13,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:13,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515581081] [2020-12-23 09:00:13,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:13,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515581081] [2020-12-23 09:00:13,720 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:13,720 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:13,720 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358608449] [2020-12-23 09:00:13,721 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:13,721 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:13,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:13,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:13,732 INFO L87 Difference]: Start difference. First operand 426 states and 742 transitions. Second operand 3 states. [2020-12-23 09:00:13,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:13,780 INFO L93 Difference]: Finished difference Result 834 states and 1458 transitions. [2020-12-23 09:00:13,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:13,780 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-12-23 09:00:13,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:13,783 INFO L225 Difference]: With dead ends: 834 [2020-12-23 09:00:13,784 INFO L226 Difference]: Without dead ends: 431 [2020-12-23 09:00:13,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:13,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2020-12-23 09:00:13,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 426. [2020-12-23 09:00:13,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-12-23 09:00:13,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 741 transitions. [2020-12-23 09:00:13,804 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 741 transitions. Word has length 50 [2020-12-23 09:00:13,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:13,804 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 741 transitions. [2020-12-23 09:00:13,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 741 transitions. [2020-12-23 09:00:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:00:13,807 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:13,807 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] [2020-12-23 09:00:13,807 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:00:13,807 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:13,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:13,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1919481823, now seen corresponding path program 1 times [2020-12-23 09:00:13,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:13,808 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664001943] [2020-12-23 09:00:13,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:13,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:13,884 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664001943] [2020-12-23 09:00:13,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:13,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:13,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422188158] [2020-12-23 09:00:13,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:13,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:13,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:13,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:13,890 INFO L87 Difference]: Start difference. First operand 426 states and 741 transitions. Second operand 3 states. [2020-12-23 09:00:13,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:13,929 INFO L93 Difference]: Finished difference Result 844 states and 1471 transitions. [2020-12-23 09:00:13,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:13,930 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 09:00:13,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:13,933 INFO L225 Difference]: With dead ends: 844 [2020-12-23 09:00:13,933 INFO L226 Difference]: Without dead ends: 426 [2020-12-23 09:00:13,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:13,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-12-23 09:00:13,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2020-12-23 09:00:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-12-23 09:00:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 739 transitions. [2020-12-23 09:00:13,952 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 739 transitions. Word has length 51 [2020-12-23 09:00:13,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:13,953 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 739 transitions. [2020-12-23 09:00:13,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:13,953 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 739 transitions. [2020-12-23 09:00:13,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 09:00:13,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:13,954 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] [2020-12-23 09:00:13,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:00:13,955 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:13,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:13,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1394504170, now seen corresponding path program 1 times [2020-12-23 09:00:13,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:13,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255310281] [2020-12-23 09:00:13,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:13,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:14,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255310281] [2020-12-23 09:00:14,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:14,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:00:14,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116916367] [2020-12-23 09:00:14,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:00:14,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:14,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:00:14,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:14,106 INFO L87 Difference]: Start difference. First operand 426 states and 739 transitions. Second operand 5 states. [2020-12-23 09:00:14,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:14,289 INFO L93 Difference]: Finished difference Result 1217 states and 2125 transitions. [2020-12-23 09:00:14,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:00:14,289 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-12-23 09:00:14,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:14,296 INFO L225 Difference]: With dead ends: 1217 [2020-12-23 09:00:14,297 INFO L226 Difference]: Without dead ends: 818 [2020-12-23 09:00:14,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:00:14,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2020-12-23 09:00:14,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 426. [2020-12-23 09:00:14,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-12-23 09:00:14,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 738 transitions. [2020-12-23 09:00:14,328 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 738 transitions. Word has length 52 [2020-12-23 09:00:14,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:14,328 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 738 transitions. [2020-12-23 09:00:14,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 738 transitions. [2020-12-23 09:00:14,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 09:00:14,331 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:14,332 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] [2020-12-23 09:00:14,332 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:00:14,332 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:14,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:14,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1333540953, now seen corresponding path program 1 times [2020-12-23 09:00:14,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:14,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567431901] [2020-12-23 09:00:14,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:14,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:14,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567431901] [2020-12-23 09:00:14,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:14,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:00:14,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522342509] [2020-12-23 09:00:14,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:00:14,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:14,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:00:14,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:14,455 INFO L87 Difference]: Start difference. First operand 426 states and 738 transitions. Second operand 5 states. [2020-12-23 09:00:14,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:14,642 INFO L93 Difference]: Finished difference Result 1222 states and 2130 transitions. [2020-12-23 09:00:14,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:00:14,643 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-23 09:00:14,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:14,648 INFO L225 Difference]: With dead ends: 1222 [2020-12-23 09:00:14,648 INFO L226 Difference]: Without dead ends: 823 [2020-12-23 09:00:14,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:00:14,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-12-23 09:00:14,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 426. [2020-12-23 09:00:14,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-12-23 09:00:14,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 737 transitions. [2020-12-23 09:00:14,680 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 737 transitions. Word has length 53 [2020-12-23 09:00:14,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:14,680 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 737 transitions. [2020-12-23 09:00:14,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:14,681 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 737 transitions. [2020-12-23 09:00:14,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:00:14,682 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:14,682 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] [2020-12-23 09:00:14,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:00:14,683 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:14,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:14,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1962923407, now seen corresponding path program 1 times [2020-12-23 09:00:14,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:14,684 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863846375] [2020-12-23 09:00:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:14,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:14,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863846375] [2020-12-23 09:00:14,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:14,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:14,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373757552] [2020-12-23 09:00:14,743 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:14,744 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:14,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:14,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:14,745 INFO L87 Difference]: Start difference. First operand 426 states and 737 transitions. Second operand 3 states. [2020-12-23 09:00:14,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:14,774 INFO L93 Difference]: Finished difference Result 614 states and 1050 transitions. [2020-12-23 09:00:14,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:14,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-23 09:00:14,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:14,778 INFO L225 Difference]: With dead ends: 614 [2020-12-23 09:00:14,778 INFO L226 Difference]: Without dead ends: 429 [2020-12-23 09:00:14,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:14,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2020-12-23 09:00:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 428. [2020-12-23 09:00:14,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 428 states. [2020-12-23 09:00:14,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 739 transitions. [2020-12-23 09:00:14,803 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 739 transitions. Word has length 54 [2020-12-23 09:00:14,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:14,803 INFO L481 AbstractCegarLoop]: Abstraction has 428 states and 739 transitions. [2020-12-23 09:00:14,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:14,804 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 739 transitions. [2020-12-23 09:00:14,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 09:00:14,805 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:14,805 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] [2020-12-23 09:00:14,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:00:14,806 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:14,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:14,806 INFO L82 PathProgramCache]: Analyzing trace with hash -413733663, now seen corresponding path program 1 times [2020-12-23 09:00:14,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:14,807 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947981106] [2020-12-23 09:00:14,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:14,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:14,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947981106] [2020-12-23 09:00:14,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:14,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:14,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129040697] [2020-12-23 09:00:14,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:14,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:14,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:14,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:14,865 INFO L87 Difference]: Start difference. First operand 428 states and 739 transitions. Second operand 3 states. [2020-12-23 09:00:14,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:14,917 INFO L93 Difference]: Finished difference Result 1170 states and 2041 transitions. [2020-12-23 09:00:14,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:14,918 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 09:00:14,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:14,922 INFO L225 Difference]: With dead ends: 1170 [2020-12-23 09:00:14,923 INFO L226 Difference]: Without dead ends: 773 [2020-12-23 09:00:14,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:14,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2020-12-23 09:00:14,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 588. [2020-12-23 09:00:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-12-23 09:00:14,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 1032 transitions. [2020-12-23 09:00:14,981 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 1032 transitions. Word has length 62 [2020-12-23 09:00:14,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:14,982 INFO L481 AbstractCegarLoop]: Abstraction has 588 states and 1032 transitions. [2020-12-23 09:00:14,982 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:14,982 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1032 transitions. [2020-12-23 09:00:14,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 09:00:14,984 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:14,984 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] [2020-12-23 09:00:14,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:00:14,984 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:14,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:14,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2080351966, now seen corresponding path program 1 times [2020-12-23 09:00:14,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:14,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235871166] [2020-12-23 09:00:14,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:15,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235871166] [2020-12-23 09:00:15,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:15,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:00:15,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209246276] [2020-12-23 09:00:15,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:00:15,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:15,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:00:15,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:15,062 INFO L87 Difference]: Start difference. First operand 588 states and 1032 transitions. Second operand 5 states. [2020-12-23 09:00:15,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:15,299 INFO L93 Difference]: Finished difference Result 1694 states and 3002 transitions. [2020-12-23 09:00:15,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:00:15,299 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-12-23 09:00:15,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:15,306 INFO L225 Difference]: With dead ends: 1694 [2020-12-23 09:00:15,307 INFO L226 Difference]: Without dead ends: 1137 [2020-12-23 09:00:15,308 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:00:15,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2020-12-23 09:00:15,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 588. [2020-12-23 09:00:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2020-12-23 09:00:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 1030 transitions. [2020-12-23 09:00:15,353 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 1030 transitions. Word has length 63 [2020-12-23 09:00:15,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:15,353 INFO L481 AbstractCegarLoop]: Abstraction has 588 states and 1030 transitions. [2020-12-23 09:00:15,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:15,353 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 1030 transitions. [2020-12-23 09:00:15,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 09:00:15,355 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:15,355 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] [2020-12-23 09:00:15,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:00:15,355 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:15,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:15,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1821182059, now seen corresponding path program 1 times [2020-12-23 09:00:15,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:15,357 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146514431] [2020-12-23 09:00:15,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:15,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:15,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146514431] [2020-12-23 09:00:15,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:15,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:15,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19195633] [2020-12-23 09:00:15,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:15,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:15,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:15,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:15,416 INFO L87 Difference]: Start difference. First operand 588 states and 1030 transitions. Second operand 3 states. [2020-12-23 09:00:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:15,492 INFO L93 Difference]: Finished difference Result 1692 states and 2994 transitions. [2020-12-23 09:00:15,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:15,493 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-23 09:00:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:15,499 INFO L225 Difference]: With dead ends: 1692 [2020-12-23 09:00:15,499 INFO L226 Difference]: Without dead ends: 1135 [2020-12-23 09:00:15,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:15,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1135 states. [2020-12-23 09:00:15,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1135 to 950. [2020-12-23 09:00:15,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2020-12-23 09:00:15,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1693 transitions. [2020-12-23 09:00:15,562 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1693 transitions. Word has length 64 [2020-12-23 09:00:15,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:15,563 INFO L481 AbstractCegarLoop]: Abstraction has 950 states and 1693 transitions. [2020-12-23 09:00:15,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1693 transitions. [2020-12-23 09:00:15,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 09:00:15,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:15,565 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] [2020-12-23 09:00:15,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:00:15,565 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:15,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:15,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1086879987, now seen corresponding path program 1 times [2020-12-23 09:00:15,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:15,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561333558] [2020-12-23 09:00:15,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:15,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561333558] [2020-12-23 09:00:15,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622261111] [2020-12-23 09:00:15,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:00:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:16,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:00:16,015 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:00:16,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:16,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:00:16,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:00:16,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212193790] [2020-12-23 09:00:16,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:00:16,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:16,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:00:16,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:16,133 INFO L87 Difference]: Start difference. First operand 950 states and 1693 transitions. Second operand 5 states. [2020-12-23 09:00:16,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:16,257 INFO L93 Difference]: Finished difference Result 1539 states and 2707 transitions. [2020-12-23 09:00:16,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:00:16,258 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-23 09:00:16,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:16,266 INFO L225 Difference]: With dead ends: 1539 [2020-12-23 09:00:16,266 INFO L226 Difference]: Without dead ends: 1354 [2020-12-23 09:00:16,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:16,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2020-12-23 09:00:16,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1166. [2020-12-23 09:00:16,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1166 states. [2020-12-23 09:00:16,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1166 states and 2083 transitions. [2020-12-23 09:00:16,364 INFO L78 Accepts]: Start accepts. Automaton has 1166 states and 2083 transitions. Word has length 64 [2020-12-23 09:00:16,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:16,364 INFO L481 AbstractCegarLoop]: Abstraction has 1166 states and 2083 transitions. [2020-12-23 09:00:16,365 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:16,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 2083 transitions. [2020-12-23 09:00:16,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 09:00:16,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:16,367 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] [2020-12-23 09:00:16,581 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 09:00:16,581 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:16,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:16,582 INFO L82 PathProgramCache]: Analyzing trace with hash 2029886704, now seen corresponding path program 1 times [2020-12-23 09:00:16,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:16,583 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516014454] [2020-12-23 09:00:16,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:16,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:16,652 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516014454] [2020-12-23 09:00:16,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:16,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:16,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507100660] [2020-12-23 09:00:16,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:16,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:16,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:16,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:16,654 INFO L87 Difference]: Start difference. First operand 1166 states and 2083 transitions. Second operand 3 states. [2020-12-23 09:00:16,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:16,803 INFO L93 Difference]: Finished difference Result 3132 states and 5623 transitions. [2020-12-23 09:00:16,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:16,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 09:00:16,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:16,814 INFO L225 Difference]: With dead ends: 3132 [2020-12-23 09:00:16,815 INFO L226 Difference]: Without dead ends: 2067 [2020-12-23 09:00:16,817 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:16,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2067 states. [2020-12-23 09:00:16,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2067 to 1882. [2020-12-23 09:00:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1882 states. [2020-12-23 09:00:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1882 states and 3388 transitions. [2020-12-23 09:00:16,935 INFO L78 Accepts]: Start accepts. Automaton has 1882 states and 3388 transitions. Word has length 68 [2020-12-23 09:00:16,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:16,935 INFO L481 AbstractCegarLoop]: Abstraction has 1882 states and 3388 transitions. [2020-12-23 09:00:16,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:16,935 INFO L276 IsEmpty]: Start isEmpty. Operand 1882 states and 3388 transitions. [2020-12-23 09:00:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 09:00:16,939 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:16,940 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] [2020-12-23 09:00:16,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:00:16,940 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:16,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:16,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1514647696, now seen corresponding path program 1 times [2020-12-23 09:00:16,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:16,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026242630] [2020-12-23 09:00:16,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:17,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:17,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026242630] [2020-12-23 09:00:17,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:17,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:17,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113585156] [2020-12-23 09:00:17,001 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:17,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:17,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:17,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:17,002 INFO L87 Difference]: Start difference. First operand 1882 states and 3388 transitions. Second operand 3 states. [2020-12-23 09:00:17,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:17,179 INFO L93 Difference]: Finished difference Result 5016 states and 9057 transitions. [2020-12-23 09:00:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:17,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 09:00:17,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:17,199 INFO L225 Difference]: With dead ends: 5016 [2020-12-23 09:00:17,199 INFO L226 Difference]: Without dead ends: 3269 [2020-12-23 09:00:17,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:17,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3269 states. [2020-12-23 09:00:17,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3269 to 3084. [2020-12-23 09:00:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3084 states. [2020-12-23 09:00:17,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 3084 states and 5573 transitions. [2020-12-23 09:00:17,450 INFO L78 Accepts]: Start accepts. Automaton has 3084 states and 5573 transitions. Word has length 69 [2020-12-23 09:00:17,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:17,450 INFO L481 AbstractCegarLoop]: Abstraction has 3084 states and 5573 transitions. [2020-12-23 09:00:17,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 5573 transitions. [2020-12-23 09:00:17,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 09:00:17,456 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:17,456 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] [2020-12-23 09:00:17,456 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:00:17,456 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:17,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:17,457 INFO L82 PathProgramCache]: Analyzing trace with hash -2132569825, now seen corresponding path program 1 times [2020-12-23 09:00:17,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:17,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305509394] [2020-12-23 09:00:17,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:17,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:17,533 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305509394] [2020-12-23 09:00:17,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:17,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:17,534 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231298706] [2020-12-23 09:00:17,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:17,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:17,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:17,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:17,536 INFO L87 Difference]: Start difference. First operand 3084 states and 5573 transitions. Second operand 3 states. [2020-12-23 09:00:17,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:17,828 INFO L93 Difference]: Finished difference Result 8338 states and 15095 transitions. [2020-12-23 09:00:17,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:17,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 09:00:17,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:17,860 INFO L225 Difference]: With dead ends: 8338 [2020-12-23 09:00:17,860 INFO L226 Difference]: Without dead ends: 5423 [2020-12-23 09:00:17,866 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:17,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2020-12-23 09:00:18,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 5238. [2020-12-23 09:00:18,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5238 states. [2020-12-23 09:00:18,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5238 states to 5238 states and 9478 transitions. [2020-12-23 09:00:18,209 INFO L78 Accepts]: Start accepts. Automaton has 5238 states and 9478 transitions. Word has length 70 [2020-12-23 09:00:18,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:18,210 INFO L481 AbstractCegarLoop]: Abstraction has 5238 states and 9478 transitions. [2020-12-23 09:00:18,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:18,210 INFO L276 IsEmpty]: Start isEmpty. Operand 5238 states and 9478 transitions. [2020-12-23 09:00:18,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 09:00:18,216 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:18,216 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] [2020-12-23 09:00:18,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:00:18,216 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:18,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:18,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1013040961, now seen corresponding path program 1 times [2020-12-23 09:00:18,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:18,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146496666] [2020-12-23 09:00:18,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:18,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146496666] [2020-12-23 09:00:18,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:18,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:18,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435253759] [2020-12-23 09:00:18,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:18,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:18,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:18,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:18,295 INFO L87 Difference]: Start difference. First operand 5238 states and 9478 transitions. Second operand 3 states. [2020-12-23 09:00:18,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:18,969 INFO L93 Difference]: Finished difference Result 15258 states and 27652 transitions. [2020-12-23 09:00:18,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:18,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 09:00:18,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:19,023 INFO L225 Difference]: With dead ends: 15258 [2020-12-23 09:00:19,023 INFO L226 Difference]: Without dead ends: 10193 [2020-12-23 09:00:19,035 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:19,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10193 states. [2020-12-23 09:00:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10193 to 10008. [2020-12-23 09:00:19,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10008 states. [2020-12-23 09:00:19,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10008 states to 10008 states and 18119 transitions. [2020-12-23 09:00:19,691 INFO L78 Accepts]: Start accepts. Automaton has 10008 states and 18119 transitions. Word has length 71 [2020-12-23 09:00:19,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:19,692 INFO L481 AbstractCegarLoop]: Abstraction has 10008 states and 18119 transitions. [2020-12-23 09:00:19,692 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 10008 states and 18119 transitions. [2020-12-23 09:00:19,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 09:00:19,700 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:19,700 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] [2020-12-23 09:00:19,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:00:19,700 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:19,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:19,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1787766736, now seen corresponding path program 1 times [2020-12-23 09:00:19,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:19,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303642807] [2020-12-23 09:00:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:19,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:19,766 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303642807] [2020-12-23 09:00:19,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:19,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:19,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221720825] [2020-12-23 09:00:19,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:19,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:19,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:19,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:19,768 INFO L87 Difference]: Start difference. First operand 10008 states and 18119 transitions. Second operand 3 states. [2020-12-23 09:00:20,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:20,774 INFO L93 Difference]: Finished difference Result 29270 states and 53050 transitions. [2020-12-23 09:00:20,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:20,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 09:00:20,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:20,833 INFO L225 Difference]: With dead ends: 29270 [2020-12-23 09:00:20,833 INFO L226 Difference]: Without dead ends: 19443 [2020-12-23 09:00:20,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:20,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19443 states. [2020-12-23 09:00:22,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19443 to 19258. [2020-12-23 09:00:22,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19258 states. [2020-12-23 09:00:22,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19258 states to 19258 states and 34856 transitions. [2020-12-23 09:00:22,060 INFO L78 Accepts]: Start accepts. Automaton has 19258 states and 34856 transitions. Word has length 72 [2020-12-23 09:00:22,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:22,060 INFO L481 AbstractCegarLoop]: Abstraction has 19258 states and 34856 transitions. [2020-12-23 09:00:22,060 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:22,061 INFO L276 IsEmpty]: Start isEmpty. Operand 19258 states and 34856 transitions. [2020-12-23 09:00:22,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 09:00:22,071 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:22,071 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] [2020-12-23 09:00:22,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:00:22,072 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:22,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:22,072 INFO L82 PathProgramCache]: Analyzing trace with hash 182010301, now seen corresponding path program 1 times [2020-12-23 09:00:22,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:22,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658832242] [2020-12-23 09:00:22,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:22,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658832242] [2020-12-23 09:00:22,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:22,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:22,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636857275] [2020-12-23 09:00:22,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:22,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:22,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:22,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:22,155 INFO L87 Difference]: Start difference. First operand 19258 states and 34856 transitions. Second operand 3 states. [2020-12-23 09:00:23,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:23,758 INFO L93 Difference]: Finished difference Result 57206 states and 103575 transitions. [2020-12-23 09:00:23,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:23,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 09:00:23,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:23,886 INFO L225 Difference]: With dead ends: 57206 [2020-12-23 09:00:23,886 INFO L226 Difference]: Without dead ends: 38133 [2020-12-23 09:00:23,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:23,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38133 states. [2020-12-23 09:00:25,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38133 to 37948. [2020-12-23 09:00:25,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37948 states. [2020-12-23 09:00:25,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37948 states to 37948 states and 68585 transitions. [2020-12-23 09:00:25,898 INFO L78 Accepts]: Start accepts. Automaton has 37948 states and 68585 transitions. Word has length 73 [2020-12-23 09:00:25,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:25,898 INFO L481 AbstractCegarLoop]: Abstraction has 37948 states and 68585 transitions. [2020-12-23 09:00:25,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:25,898 INFO L276 IsEmpty]: Start isEmpty. Operand 37948 states and 68585 transitions. [2020-12-23 09:00:25,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:00:25,910 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:25,910 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] [2020-12-23 09:00:25,911 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:00:25,911 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:25,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:25,911 INFO L82 PathProgramCache]: Analyzing trace with hash 103511145, now seen corresponding path program 1 times [2020-12-23 09:00:25,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:25,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306573923] [2020-12-23 09:00:25,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:25,985 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:00:25,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306573923] [2020-12-23 09:00:25,986 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:25,986 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:00:25,986 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481575021] [2020-12-23 09:00:25,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:00:25,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:25,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:00:25,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:25,987 INFO L87 Difference]: Start difference. First operand 37948 states and 68585 transitions. Second operand 5 states. [2020-12-23 09:00:28,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:28,550 INFO L93 Difference]: Finished difference Result 111547 states and 201568 transitions. [2020-12-23 09:00:28,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:00:28,551 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-12-23 09:00:28,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:28,768 INFO L225 Difference]: With dead ends: 111547 [2020-12-23 09:00:28,768 INFO L226 Difference]: Without dead ends: 73852 [2020-12-23 09:00:28,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:00:28,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73852 states. [2020-12-23 09:00:31,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73852 to 37948. [2020-12-23 09:00:31,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37948 states. [2020-12-23 09:00:31,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37948 states to 37948 states and 68327 transitions. [2020-12-23 09:00:31,360 INFO L78 Accepts]: Start accepts. Automaton has 37948 states and 68327 transitions. Word has length 74 [2020-12-23 09:00:31,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:31,360 INFO L481 AbstractCegarLoop]: Abstraction has 37948 states and 68327 transitions. [2020-12-23 09:00:31,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 37948 states and 68327 transitions. [2020-12-23 09:00:31,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:00:31,372 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:31,372 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:31,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:00:31,372 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:31,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:31,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1490416395, now seen corresponding path program 2 times [2020-12-23 09:00:31,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:31,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791808159] [2020-12-23 09:00:31,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:31,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:31,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791808159] [2020-12-23 09:00:31,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:31,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:31,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007909129] [2020-12-23 09:00:31,432 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:31,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:31,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:31,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:31,433 INFO L87 Difference]: Start difference. First operand 37948 states and 68327 transitions. Second operand 3 states. [2020-12-23 09:00:32,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:32,938 INFO L93 Difference]: Finished difference Result 75822 states and 136529 transitions. [2020-12-23 09:00:32,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:32,939 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 09:00:32,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:33,017 INFO L225 Difference]: With dead ends: 75822 [2020-12-23 09:00:33,017 INFO L226 Difference]: Without dead ends: 38133 [2020-12-23 09:00:33,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:33,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38133 states. [2020-12-23 09:00:34,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38133 to 37948. [2020-12-23 09:00:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37948 states. [2020-12-23 09:00:34,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37948 states to 37948 states and 68199 transitions. [2020-12-23 09:00:34,610 INFO L78 Accepts]: Start accepts. Automaton has 37948 states and 68199 transitions. Word has length 74 [2020-12-23 09:00:34,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:34,611 INFO L481 AbstractCegarLoop]: Abstraction has 37948 states and 68199 transitions. [2020-12-23 09:00:34,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:34,611 INFO L276 IsEmpty]: Start isEmpty. Operand 37948 states and 68199 transitions. [2020-12-23 09:00:34,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:00:34,622 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:34,622 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] [2020-12-23 09:00:34,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:00:34,623 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:34,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:34,623 INFO L82 PathProgramCache]: Analyzing trace with hash -73319106, now seen corresponding path program 1 times [2020-12-23 09:00:34,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:34,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463817412] [2020-12-23 09:00:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:34,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:34,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463817412] [2020-12-23 09:00:34,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:34,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:34,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913356697] [2020-12-23 09:00:34,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:34,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:34,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:34,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:34,695 INFO L87 Difference]: Start difference. First operand 37948 states and 68199 transitions. Second operand 3 states. [2020-12-23 09:00:37,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:37,459 INFO L93 Difference]: Finished difference Result 105432 states and 189211 transitions. [2020-12-23 09:00:37,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:37,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 09:00:37,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:37,614 INFO L225 Difference]: With dead ends: 105432 [2020-12-23 09:00:37,614 INFO L226 Difference]: Without dead ends: 67703 [2020-12-23 09:00:37,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:37,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67703 states. [2020-12-23 09:00:40,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67703 to 67518. [2020-12-23 09:00:40,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67518 states. [2020-12-23 09:00:40,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67518 states to 67518 states and 120808 transitions. [2020-12-23 09:00:40,518 INFO L78 Accepts]: Start accepts. Automaton has 67518 states and 120808 transitions. Word has length 74 [2020-12-23 09:00:40,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:40,519 INFO L481 AbstractCegarLoop]: Abstraction has 67518 states and 120808 transitions. [2020-12-23 09:00:40,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:40,519 INFO L276 IsEmpty]: Start isEmpty. Operand 67518 states and 120808 transitions. [2020-12-23 09:00:40,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 09:00:40,530 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:40,530 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] [2020-12-23 09:00:40,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:00:40,531 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:40,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:40,531 INFO L82 PathProgramCache]: Analyzing trace with hash 178263173, now seen corresponding path program 1 times [2020-12-23 09:00:40,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:40,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708937244] [2020-12-23 09:00:40,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:40,768 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:40,768 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708937244] [2020-12-23 09:00:40,768 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:40,769 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:00:40,769 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198136333] [2020-12-23 09:00:40,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:00:40,769 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:40,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:00:40,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:00:40,770 INFO L87 Difference]: Start difference. First operand 67518 states and 120808 transitions. Second operand 9 states. [2020-12-23 09:00:46,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:46,286 INFO L93 Difference]: Finished difference Result 135744 states and 242767 transitions. [2020-12-23 09:00:46,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:00:46,287 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-12-23 09:00:46,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:46,696 INFO L225 Difference]: With dead ends: 135744 [2020-12-23 09:00:46,697 INFO L226 Difference]: Without dead ends: 135590 [2020-12-23 09:00:46,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 09:00:46,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135590 states. [2020-12-23 09:00:52,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135590 to 134827. [2020-12-23 09:00:52,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134827 states. [2020-12-23 09:00:52,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134827 states to 134827 states and 241274 transitions. [2020-12-23 09:00:52,373 INFO L78 Accepts]: Start accepts. Automaton has 134827 states and 241274 transitions. Word has length 75 [2020-12-23 09:00:52,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:52,374 INFO L481 AbstractCegarLoop]: Abstraction has 134827 states and 241274 transitions. [2020-12-23 09:00:52,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:00:52,374 INFO L276 IsEmpty]: Start isEmpty. Operand 134827 states and 241274 transitions. [2020-12-23 09:00:52,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:00:52,390 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:52,390 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] [2020-12-23 09:00:52,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:00:52,390 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:52,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:52,391 INFO L82 PathProgramCache]: Analyzing trace with hash 841023330, now seen corresponding path program 1 times [2020-12-23 09:00:52,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:52,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212495127] [2020-12-23 09:00:52,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:52,487 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:52,487 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212495127] [2020-12-23 09:00:52,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:52,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:00:52,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467683179] [2020-12-23 09:00:52,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:00:52,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:52,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:00:52,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:00:52,489 INFO L87 Difference]: Start difference. First operand 134827 states and 241274 transitions. Second operand 7 states. [2020-12-23 09:00:57,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:57,242 INFO L93 Difference]: Finished difference Result 135210 states and 241902 transitions. [2020-12-23 09:00:57,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 09:00:57,245 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2020-12-23 09:00:57,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:57,482 INFO L225 Difference]: With dead ends: 135210 [2020-12-23 09:00:57,482 INFO L226 Difference]: Without dead ends: 134926 [2020-12-23 09:00:57,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-12-23 09:00:57,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134926 states. [2020-12-23 09:01:03,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134926 to 134815. [2020-12-23 09:01:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134815 states. [2020-12-23 09:01:03,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134815 states to 134815 states and 241247 transitions. [2020-12-23 09:01:03,478 INFO L78 Accepts]: Start accepts. Automaton has 134815 states and 241247 transitions. Word has length 76 [2020-12-23 09:01:03,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:03,479 INFO L481 AbstractCegarLoop]: Abstraction has 134815 states and 241247 transitions. [2020-12-23 09:01:03,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:01:03,479 INFO L276 IsEmpty]: Start isEmpty. Operand 134815 states and 241247 transitions. [2020-12-23 09:01:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:01:03,490 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:03,491 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] [2020-12-23 09:01:03,491 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:01:03,491 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:03,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:03,492 INFO L82 PathProgramCache]: Analyzing trace with hash 410872202, now seen corresponding path program 1 times [2020-12-23 09:01:03,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:03,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573264825] [2020-12-23 09:01:03,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:03,616 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:01:03,617 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573264825] [2020-12-23 09:01:03,617 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:03,617 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:01:03,617 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972493890] [2020-12-23 09:01:03,618 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:01:03,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:03,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:01:03,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:01:03,619 INFO L87 Difference]: Start difference. First operand 134815 states and 241247 transitions. Second operand 9 states. [2020-12-23 09:01:13,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:01:13,355 INFO L93 Difference]: Finished difference Result 271231 states and 485078 transitions. [2020-12-23 09:01:13,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 09:01:13,355 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-12-23 09:01:13,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:01:14,100 INFO L225 Difference]: With dead ends: 271231 [2020-12-23 09:01:14,114 INFO L226 Difference]: Without dead ends: 270959 [2020-12-23 09:01:14,241 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2020-12-23 09:01:14,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270959 states. [2020-12-23 09:01:25,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270959 to 269338. [2020-12-23 09:01:25,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269338 states. [2020-12-23 09:01:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269338 states to 269338 states and 482007 transitions. [2020-12-23 09:01:26,324 INFO L78 Accepts]: Start accepts. Automaton has 269338 states and 482007 transitions. Word has length 76 [2020-12-23 09:01:26,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:26,324 INFO L481 AbstractCegarLoop]: Abstraction has 269338 states and 482007 transitions. [2020-12-23 09:01:26,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:01:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 269338 states and 482007 transitions. [2020-12-23 09:01:26,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:01:26,349 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:26,349 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] [2020-12-23 09:01:26,350 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:01:26,350 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:26,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:26,350 INFO L82 PathProgramCache]: Analyzing trace with hash -868991476, now seen corresponding path program 1 times [2020-12-23 09:01:26,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:26,351 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481211916] [2020-12-23 09:01:26,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:01:26,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481211916] [2020-12-23 09:01:26,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:26,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:01:26,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145522652] [2020-12-23 09:01:26,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:01:26,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:26,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:01:26,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:01:26,466 INFO L87 Difference]: Start difference. First operand 269338 states and 482007 transitions. Second operand 5 states. [2020-12-23 09:01:35,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:01:35,957 INFO L93 Difference]: Finished difference Result 272455 states and 487183 transitions. [2020-12-23 09:01:35,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:01:35,958 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-12-23 09:01:35,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:01:36,548 INFO L225 Difference]: With dead ends: 272455 [2020-12-23 09:01:36,548 INFO L226 Difference]: Without dead ends: 272018 [2020-12-23 09:01:36,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:01:36,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272018 states. [2020-12-23 09:01:47,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272018 to 269902. [2020-12-23 09:01:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269902 states. [2020-12-23 09:01:49,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269902 states to 269902 states and 482931 transitions. [2020-12-23 09:01:49,285 INFO L78 Accepts]: Start accepts. Automaton has 269902 states and 482931 transitions. Word has length 76 [2020-12-23 09:01:49,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:49,286 INFO L481 AbstractCegarLoop]: Abstraction has 269902 states and 482931 transitions. [2020-12-23 09:01:49,286 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:01:49,286 INFO L276 IsEmpty]: Start isEmpty. Operand 269902 states and 482931 transitions. [2020-12-23 09:01:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:01:49,308 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:49,308 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] [2020-12-23 09:01:49,308 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:01:49,308 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:49,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:49,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1322402657, now seen corresponding path program 1 times [2020-12-23 09:01:49,309 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:49,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115036479] [2020-12-23 09:01:49,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:01:49,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115036479] [2020-12-23 09:01:49,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:49,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:01:49,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897721875] [2020-12-23 09:01:49,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:01:49,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:49,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:01:49,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:01:49,492 INFO L87 Difference]: Start difference. First operand 269902 states and 482931 transitions. Second operand 8 states. [2020-12-23 09:02:02,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:02,123 INFO L93 Difference]: Finished difference Result 271281 states and 485214 transitions. [2020-12-23 09:02:02,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:02:02,124 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 77 [2020-12-23 09:02:02,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:02,685 INFO L225 Difference]: With dead ends: 271281 [2020-12-23 09:02:02,685 INFO L226 Difference]: Without dead ends: 270387 [2020-12-23 09:02:02,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-12-23 09:02:02,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270387 states. [2020-12-23 09:02:14,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270387 to 269858. [2020-12-23 09:02:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269858 states. [2020-12-23 09:02:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269858 states to 269858 states and 482851 transitions. [2020-12-23 09:02:15,377 INFO L78 Accepts]: Start accepts. Automaton has 269858 states and 482851 transitions. Word has length 77 [2020-12-23 09:02:15,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:15,377 INFO L481 AbstractCegarLoop]: Abstraction has 269858 states and 482851 transitions. [2020-12-23 09:02:15,377 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:02:15,377 INFO L276 IsEmpty]: Start isEmpty. Operand 269858 states and 482851 transitions. [2020-12-23 09:02:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 09:02:15,398 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:15,399 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] [2020-12-23 09:02:15,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:02:15,399 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:15,399 INFO L82 PathProgramCache]: Analyzing trace with hash 596853869, now seen corresponding path program 1 times [2020-12-23 09:02:15,400 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:15,400 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144298408] [2020-12-23 09:02:15,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:15,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:15,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144298408] [2020-12-23 09:02:15,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849922585] [2020-12-23 09:02:15,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:02:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:15,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 09:02:15,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:02:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:15,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:02:15,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2020-12-23 09:02:15,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720737248] [2020-12-23 09:02:15,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:02:15,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:15,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:02:15,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:02:15,926 INFO L87 Difference]: Start difference. First operand 269858 states and 482851 transitions. Second operand 6 states. [2020-12-23 09:02:25,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:25,209 INFO L93 Difference]: Finished difference Result 277929 states and 496706 transitions. [2020-12-23 09:02:25,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:02:25,210 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-12-23 09:02:25,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:25,992 INFO L225 Difference]: With dead ends: 277929 [2020-12-23 09:02:25,992 INFO L226 Difference]: Without dead ends: 276792 [2020-12-23 09:02:26,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:02:26,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276792 states. [2020-12-23 09:02:38,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276792 to 274939. [2020-12-23 09:02:38,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274939 states. [2020-12-23 09:02:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274939 states to 274939 states and 491762 transitions. [2020-12-23 09:02:39,948 INFO L78 Accepts]: Start accepts. Automaton has 274939 states and 491762 transitions. Word has length 79 [2020-12-23 09:02:39,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:39,949 INFO L481 AbstractCegarLoop]: Abstraction has 274939 states and 491762 transitions. [2020-12-23 09:02:39,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:02:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 274939 states and 491762 transitions. [2020-12-23 09:02:39,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 09:02:39,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:39,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:40,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-23 09:02:40,190 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:40,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:40,192 INFO L82 PathProgramCache]: Analyzing trace with hash 545021219, now seen corresponding path program 1 times [2020-12-23 09:02:40,192 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:40,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127203965] [2020-12-23 09:02:40,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:40,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:40,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127203965] [2020-12-23 09:02:40,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:40,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:40,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146564553] [2020-12-23 09:02:40,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:40,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:40,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:40,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:40,323 INFO L87 Difference]: Start difference. First operand 274939 states and 491762 transitions. Second operand 3 states. [2020-12-23 09:03:02,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:02,760 INFO L93 Difference]: Finished difference Result 805482 states and 1440974 transitions. [2020-12-23 09:03:02,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:02,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 09:03:02,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:04,486 INFO L225 Difference]: With dead ends: 805482 [2020-12-23 09:03:04,486 INFO L226 Difference]: Without dead ends: 534523 [2020-12-23 09:03:04,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:05,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534523 states. [2020-12-23 09:03:29,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534523 to 533386. [2020-12-23 09:03:29,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533386 states.