/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_spec0_product40.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:42:27,817 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:42:27,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:42:27,880 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:42:27,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:42:27,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:42:27,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:42:27,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:42:27,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:42:27,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:42:27,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:42:27,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:42:27,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:42:27,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:42:27,919 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:42:27,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:42:27,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:42:27,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:42:27,933 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:42:27,950 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:42:27,952 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:42:27,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:42:27,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:42:27,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:42:27,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:42:27,967 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:42:27,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:42:27,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:42:27,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:42:27,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:42:27,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:42:27,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:42:27,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:42:27,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:42:27,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:42:27,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:42:27,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:42:27,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:42:27,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:42:27,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:42:27,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:42:27,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:42:28,037 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:42:28,037 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:42:28,041 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:42:28,041 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:42:28,041 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:42:28,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:42:28,042 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:42:28,042 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:42:28,042 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:42:28,043 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:42:28,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:42:28,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:42:28,044 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:42:28,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:42:28,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:42:28,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:42:28,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:42:28,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:42:28,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:42:28,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:42:28,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:42:28,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:42:28,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:42:28,047 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:42:28,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:42:28,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:42:28,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:42:28,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:42:28,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:42:28,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:42:28,517 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:42:28,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2020-12-23 08:42:28,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/15c776cc0/08ee005cd8bd44f59799169dc9356a0b/FLAG1a206c52f [2020-12-23 08:42:29,375 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:42:29,376 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product40.cil.c [2020-12-23 08:42:29,406 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/15c776cc0/08ee005cd8bd44f59799169dc9356a0b/FLAG1a206c52f [2020-12-23 08:42:29,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/15c776cc0/08ee005cd8bd44f59799169dc9356a0b [2020-12-23 08:42:29,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:42:29,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:42:29,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:42:29,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:42:29,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:42:29,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:42:29" (1/1) ... [2020-12-23 08:42:29,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a760df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:29, skipping insertion in model container [2020-12-23 08:42:29,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:42:29" (1/1) ... [2020-12-23 08:42:29,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:42:29,731 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] [2020-12-23 08:42:30,007 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_spec0_product40.cil.c[7333,7346] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~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_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] 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~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[~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[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~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[~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[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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[~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[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] 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[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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_tmp5~2,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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~18,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] 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~42,] [2020-12-23 08:42:30,502 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:42:30,518 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] [2020-12-23 08:42:30,593 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_spec0_product40.cil.c[7333,7346] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~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_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] 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~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[~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[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] 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~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[~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[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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[~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[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] 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[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] 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_tmp5~2,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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~18,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] 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~42,] [2020-12-23 08:42:30,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:42:30,835 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:42:30,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30 WrapperNode [2020-12-23 08:42:30,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:42:30,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:42:30,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:42:30,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:42:30,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... [2020-12-23 08:42:30,878 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... [2020-12-23 08:42:31,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:42:31,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:42:31,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:42:31,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:42:31,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... [2020-12-23 08:42:31,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... [2020-12-23 08:42:31,067 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... [2020-12-23 08:42:31,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... [2020-12-23 08:42:31,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... [2020-12-23 08:42:31,176 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... [2020-12-23 08:42:31,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... [2020-12-23 08:42:31,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:42:31,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:42:31,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:42:31,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:42:31,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:42:31,338 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:42:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:42:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:42:31,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:42:31,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:42:34,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:42:34,013 INFO L299 CfgBuilder]: Removed 497 assume(true) statements. [2020-12-23 08:42:34,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:42:34 BoogieIcfgContainer [2020-12-23 08:42:34,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:42:34,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:42:34,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:42:34,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:42:34,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:42:29" (1/3) ... [2020-12-23 08:42:34,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7138698d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:42:34, skipping insertion in model container [2020-12-23 08:42:34,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:30" (2/3) ... [2020-12-23 08:42:34,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7138698d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:42:34, skipping insertion in model container [2020-12-23 08:42:34,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:42:34" (3/3) ... [2020-12-23 08:42:34,028 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product40.cil.c [2020-12-23 08:42:34,036 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:42:34,044 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 08:42:34,069 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 08:42:34,121 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:42:34,122 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:42:34,122 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:42:34,122 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:42:34,122 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:42:34,122 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:42:34,123 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:42:34,123 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:42:34,162 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states. [2020-12-23 08:42:34,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:42:34,195 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:34,196 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:34,197 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:34,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:34,206 INFO L82 PathProgramCache]: Analyzing trace with hash -324340494, now seen corresponding path program 1 times [2020-12-23 08:42:34,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:34,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950997819] [2020-12-23 08:42:34,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:34,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:34,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:34,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950997819] [2020-12-23 08:42:34,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:34,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:34,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928037249] [2020-12-23 08:42:34,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:34,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:34,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:34,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:34,711 INFO L87 Difference]: Start difference. First operand 672 states. Second operand 3 states. [2020-12-23 08:42:34,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:34,931 INFO L93 Difference]: Finished difference Result 1981 states and 3401 transitions. [2020-12-23 08:42:34,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:34,934 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-23 08:42:34,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:34,987 INFO L225 Difference]: With dead ends: 1981 [2020-12-23 08:42:34,987 INFO L226 Difference]: Without dead ends: 1268 [2020-12-23 08:42:34,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:35,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1268 states. [2020-12-23 08:42:35,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1268 to 643. [2020-12-23 08:42:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-12-23 08:42:35,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1096 transitions. [2020-12-23 08:42:35,156 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1096 transitions. Word has length 47 [2020-12-23 08:42:35,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:35,157 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 1096 transitions. [2020-12-23 08:42:35,157 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:35,157 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1096 transitions. [2020-12-23 08:42:35,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:42:35,160 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:35,161 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 08:42:35,162 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:42:35,162 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:35,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:35,166 INFO L82 PathProgramCache]: Analyzing trace with hash -604611903, now seen corresponding path program 1 times [2020-12-23 08:42:35,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:35,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910518747] [2020-12-23 08:42:35,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:35,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:35,409 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910518747] [2020-12-23 08:42:35,409 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:35,410 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:35,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558493579] [2020-12-23 08:42:35,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:35,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:35,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:35,414 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:35,415 INFO L87 Difference]: Start difference. First operand 643 states and 1096 transitions. Second operand 5 states. [2020-12-23 08:42:35,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:35,664 INFO L93 Difference]: Finished difference Result 1878 states and 3204 transitions. [2020-12-23 08:42:35,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:42:35,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 08:42:35,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:35,674 INFO L225 Difference]: With dead ends: 1878 [2020-12-23 08:42:35,674 INFO L226 Difference]: Without dead ends: 1254 [2020-12-23 08:42:35,677 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:42:35,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1254 states. [2020-12-23 08:42:35,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1254 to 643. [2020-12-23 08:42:35,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-12-23 08:42:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1095 transitions. [2020-12-23 08:42:35,718 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1095 transitions. Word has length 49 [2020-12-23 08:42:35,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:35,719 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 1095 transitions. [2020-12-23 08:42:35,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:35,719 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1095 transitions. [2020-12-23 08:42:35,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:42:35,721 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:35,722 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 08:42:35,722 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:42:35,722 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:35,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:35,723 INFO L82 PathProgramCache]: Analyzing trace with hash -959457516, now seen corresponding path program 1 times [2020-12-23 08:42:35,723 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:35,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092797394] [2020-12-23 08:42:35,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:35,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092797394] [2020-12-23 08:42:35,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:35,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:35,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915548077] [2020-12-23 08:42:35,824 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:35,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:35,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:35,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:35,826 INFO L87 Difference]: Start difference. First operand 643 states and 1095 transitions. Second operand 3 states. [2020-12-23 08:42:35,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:35,876 INFO L93 Difference]: Finished difference Result 1268 states and 2164 transitions. [2020-12-23 08:42:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:35,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-12-23 08:42:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:35,881 INFO L225 Difference]: With dead ends: 1268 [2020-12-23 08:42:35,881 INFO L226 Difference]: Without dead ends: 648 [2020-12-23 08:42:35,883 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:35,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-12-23 08:42:35,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 643. [2020-12-23 08:42:35,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-12-23 08:42:35,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1094 transitions. [2020-12-23 08:42:35,912 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1094 transitions. Word has length 50 [2020-12-23 08:42:35,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:35,912 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 1094 transitions. [2020-12-23 08:42:35,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:35,913 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1094 transitions. [2020-12-23 08:42:35,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:42:35,915 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:35,915 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 08:42:35,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:42:35,915 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:35,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:35,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1808884978, now seen corresponding path program 1 times [2020-12-23 08:42:35,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:35,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388373270] [2020-12-23 08:42:35,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:36,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388373270] [2020-12-23 08:42:36,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:36,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:36,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664639167] [2020-12-23 08:42:36,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:36,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:36,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:36,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:36,033 INFO L87 Difference]: Start difference. First operand 643 states and 1094 transitions. Second operand 3 states. [2020-12-23 08:42:36,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:36,087 INFO L93 Difference]: Finished difference Result 1278 states and 2177 transitions. [2020-12-23 08:42:36,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:36,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 08:42:36,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:36,093 INFO L225 Difference]: With dead ends: 1278 [2020-12-23 08:42:36,094 INFO L226 Difference]: Without dead ends: 643 [2020-12-23 08:42:36,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:36,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2020-12-23 08:42:36,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 643. [2020-12-23 08:42:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-12-23 08:42:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1092 transitions. [2020-12-23 08:42:36,130 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1092 transitions. Word has length 51 [2020-12-23 08:42:36,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:36,130 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 1092 transitions. [2020-12-23 08:42:36,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1092 transitions. [2020-12-23 08:42:36,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:42:36,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:36,133 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 08:42:36,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:42:36,134 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:36,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:36,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1961104665, now seen corresponding path program 1 times [2020-12-23 08:42:36,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:36,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957827613] [2020-12-23 08:42:36,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:36,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957827613] [2020-12-23 08:42:36,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:36,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:36,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229655601] [2020-12-23 08:42:36,267 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:36,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:36,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:36,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:36,270 INFO L87 Difference]: Start difference. First operand 643 states and 1092 transitions. Second operand 5 states. [2020-12-23 08:42:36,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:36,487 INFO L93 Difference]: Finished difference Result 1868 states and 3184 transitions. [2020-12-23 08:42:36,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:42:36,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-12-23 08:42:36,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:36,497 INFO L225 Difference]: With dead ends: 1868 [2020-12-23 08:42:36,497 INFO L226 Difference]: Without dead ends: 1252 [2020-12-23 08:42:36,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:42:36,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states. [2020-12-23 08:42:36,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 643. [2020-12-23 08:42:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-12-23 08:42:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1091 transitions. [2020-12-23 08:42:36,545 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1091 transitions. Word has length 52 [2020-12-23 08:42:36,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:36,545 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 1091 transitions. [2020-12-23 08:42:36,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:36,546 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1091 transitions. [2020-12-23 08:42:36,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 08:42:36,549 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:36,549 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 08:42:36,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:42:36,550 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:36,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:36,550 INFO L82 PathProgramCache]: Analyzing trace with hash -766940458, now seen corresponding path program 1 times [2020-12-23 08:42:36,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:36,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473860765] [2020-12-23 08:42:36,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:36,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:36,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473860765] [2020-12-23 08:42:36,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:36,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:36,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569893777] [2020-12-23 08:42:36,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:36,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:36,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:36,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:36,670 INFO L87 Difference]: Start difference. First operand 643 states and 1091 transitions. Second operand 5 states. [2020-12-23 08:42:36,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:36,925 INFO L93 Difference]: Finished difference Result 1873 states and 3189 transitions. [2020-12-23 08:42:36,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:42:36,926 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-23 08:42:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:36,934 INFO L225 Difference]: With dead ends: 1873 [2020-12-23 08:42:36,934 INFO L226 Difference]: Without dead ends: 1257 [2020-12-23 08:42:36,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:42:36,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2020-12-23 08:42:36,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 643. [2020-12-23 08:42:36,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 643 states. [2020-12-23 08:42:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 1090 transitions. [2020-12-23 08:42:36,994 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 1090 transitions. Word has length 53 [2020-12-23 08:42:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:36,995 INFO L481 AbstractCegarLoop]: Abstraction has 643 states and 1090 transitions. [2020-12-23 08:42:36,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:36,995 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 1090 transitions. [2020-12-23 08:42:36,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:42:36,996 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:36,997 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 08:42:36,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:42:36,997 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:36,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:37,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1765443394, now seen corresponding path program 1 times [2020-12-23 08:42:37,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:37,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298540464] [2020-12-23 08:42:37,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:37,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:37,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298540464] [2020-12-23 08:42:37,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:37,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:37,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055434629] [2020-12-23 08:42:37,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:37,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:37,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:37,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:37,123 INFO L87 Difference]: Start difference. First operand 643 states and 1090 transitions. Second operand 3 states. [2020-12-23 08:42:37,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:37,176 INFO L93 Difference]: Finished difference Result 1001 states and 1667 transitions. [2020-12-23 08:42:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:37,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-23 08:42:37,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:37,182 INFO L225 Difference]: With dead ends: 1001 [2020-12-23 08:42:37,182 INFO L226 Difference]: Without dead ends: 646 [2020-12-23 08:42:37,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:37,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-12-23 08:42:37,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 645. [2020-12-23 08:42:37,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-12-23 08:42:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 1092 transitions. [2020-12-23 08:42:37,249 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 1092 transitions. Word has length 54 [2020-12-23 08:42:37,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:37,251 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 1092 transitions. [2020-12-23 08:42:37,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 1092 transitions. [2020-12-23 08:42:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-23 08:42:37,253 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:37,253 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 08:42:37,254 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:42:37,254 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:37,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:37,254 INFO L82 PathProgramCache]: Analyzing trace with hash 152866832, now seen corresponding path program 1 times [2020-12-23 08:42:37,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:37,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198263692] [2020-12-23 08:42:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:37,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:37,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198263692] [2020-12-23 08:42:37,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:37,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:37,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560271907] [2020-12-23 08:42:37,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:37,357 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:37,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:37,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:37,358 INFO L87 Difference]: Start difference. First operand 645 states and 1092 transitions. Second operand 3 states. [2020-12-23 08:42:37,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:37,455 INFO L93 Difference]: Finished difference Result 1821 states and 3100 transitions. [2020-12-23 08:42:37,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:37,456 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-23 08:42:37,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:37,464 INFO L225 Difference]: With dead ends: 1821 [2020-12-23 08:42:37,464 INFO L226 Difference]: Without dead ends: 1207 [2020-12-23 08:42:37,469 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:37,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2020-12-23 08:42:37,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 852. [2020-12-23 08:42:37,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-12-23 08:42:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1474 transitions. [2020-12-23 08:42:37,532 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1474 transitions. Word has length 62 [2020-12-23 08:42:37,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:37,533 INFO L481 AbstractCegarLoop]: Abstraction has 852 states and 1474 transitions. [2020-12-23 08:42:37,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1474 transitions. [2020-12-23 08:42:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 08:42:37,535 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:37,535 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 08:42:37,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:42:37,535 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:37,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:37,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1513751471, now seen corresponding path program 1 times [2020-12-23 08:42:37,538 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:37,538 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838059562] [2020-12-23 08:42:37,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:37,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:37,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838059562] [2020-12-23 08:42:37,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:37,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:37,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616824283] [2020-12-23 08:42:37,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:37,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:37,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:37,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:37,658 INFO L87 Difference]: Start difference. First operand 852 states and 1474 transitions. Second operand 5 states. [2020-12-23 08:42:37,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:37,967 INFO L93 Difference]: Finished difference Result 2486 states and 4328 transitions. [2020-12-23 08:42:37,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:42:37,968 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 63 [2020-12-23 08:42:37,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:37,978 INFO L225 Difference]: With dead ends: 2486 [2020-12-23 08:42:37,978 INFO L226 Difference]: Without dead ends: 1665 [2020-12-23 08:42:37,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:42:37,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1665 states. [2020-12-23 08:42:38,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1665 to 852. [2020-12-23 08:42:38,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2020-12-23 08:42:38,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1472 transitions. [2020-12-23 08:42:38,063 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1472 transitions. Word has length 63 [2020-12-23 08:42:38,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:38,063 INFO L481 AbstractCegarLoop]: Abstraction has 852 states and 1472 transitions. [2020-12-23 08:42:38,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:38,064 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1472 transitions. [2020-12-23 08:42:38,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:42:38,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:38,066 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 08:42:38,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:42:38,066 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:38,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:38,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1907184742, now seen corresponding path program 1 times [2020-12-23 08:42:38,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:38,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839275294] [2020-12-23 08:42:38,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:38,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:38,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839275294] [2020-12-23 08:42:38,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:38,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:38,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237208860] [2020-12-23 08:42:38,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:38,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:38,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:38,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:38,149 INFO L87 Difference]: Start difference. First operand 852 states and 1472 transitions. Second operand 3 states. [2020-12-23 08:42:38,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:38,270 INFO L93 Difference]: Finished difference Result 2484 states and 4320 transitions. [2020-12-23 08:42:38,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:38,272 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-23 08:42:38,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:38,281 INFO L225 Difference]: With dead ends: 2484 [2020-12-23 08:42:38,281 INFO L226 Difference]: Without dead ends: 1663 [2020-12-23 08:42:38,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:38,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1663 states. [2020-12-23 08:42:38,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1663 to 1308. [2020-12-23 08:42:38,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1308 states. [2020-12-23 08:42:38,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1308 states to 1308 states and 2313 transitions. [2020-12-23 08:42:38,380 INFO L78 Accepts]: Start accepts. Automaton has 1308 states and 2313 transitions. Word has length 64 [2020-12-23 08:42:38,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:38,380 INFO L481 AbstractCegarLoop]: Abstraction has 1308 states and 2313 transitions. [2020-12-23 08:42:38,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:38,380 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 2313 transitions. [2020-12-23 08:42:38,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:42:38,389 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:38,389 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 08:42:38,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:42:38,389 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:38,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:38,390 INFO L82 PathProgramCache]: Analyzing trace with hash -520279492, now seen corresponding path program 1 times [2020-12-23 08:42:38,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:38,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459508056] [2020-12-23 08:42:38,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:38,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:38,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459508056] [2020-12-23 08:42:38,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766739035] [2020-12-23 08:42:38,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:42:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:38,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:42:38,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:42:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:39,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:42:39,070 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:42:39,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712501056] [2020-12-23 08:42:39,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:39,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:39,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:39,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:39,072 INFO L87 Difference]: Start difference. First operand 1308 states and 2313 transitions. Second operand 5 states. [2020-12-23 08:42:39,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:39,287 INFO L93 Difference]: Finished difference Result 2284 states and 3944 transitions. [2020-12-23 08:42:39,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:42:39,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-23 08:42:39,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:39,300 INFO L225 Difference]: With dead ends: 2284 [2020-12-23 08:42:39,300 INFO L226 Difference]: Without dead ends: 1929 [2020-12-23 08:42:39,302 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 08:42:39,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2020-12-23 08:42:39,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1571. [2020-12-23 08:42:39,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1571 states. [2020-12-23 08:42:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1571 states to 1571 states and 2792 transitions. [2020-12-23 08:42:39,502 INFO L78 Accepts]: Start accepts. Automaton has 1571 states and 2792 transitions. Word has length 64 [2020-12-23 08:42:39,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:39,503 INFO L481 AbstractCegarLoop]: Abstraction has 1571 states and 2792 transitions. [2020-12-23 08:42:39,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:39,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2792 transitions. [2020-12-23 08:42:39,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:42:39,507 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:39,507 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 08:42:39,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:42:39,708 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:39,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:39,709 INFO L82 PathProgramCache]: Analyzing trace with hash 50994559, now seen corresponding path program 1 times [2020-12-23 08:42:39,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:39,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449428396] [2020-12-23 08:42:39,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:39,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:39,787 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449428396] [2020-12-23 08:42:39,787 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:39,788 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:39,788 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306270507] [2020-12-23 08:42:39,788 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:39,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:39,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:39,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:39,789 INFO L87 Difference]: Start difference. First operand 1571 states and 2792 transitions. Second operand 3 states. [2020-12-23 08:42:40,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:40,003 INFO L93 Difference]: Finished difference Result 4300 states and 7661 transitions. [2020-12-23 08:42:40,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:40,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:42:40,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:40,021 INFO L225 Difference]: With dead ends: 4300 [2020-12-23 08:42:40,021 INFO L226 Difference]: Without dead ends: 2830 [2020-12-23 08:42:40,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:40,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2830 states. [2020-12-23 08:42:40,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2830 to 2475. [2020-12-23 08:42:40,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2475 states. [2020-12-23 08:42:40,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 4453 transitions. [2020-12-23 08:42:40,206 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 4453 transitions. Word has length 68 [2020-12-23 08:42:40,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:40,208 INFO L481 AbstractCegarLoop]: Abstraction has 2475 states and 4453 transitions. [2020-12-23 08:42:40,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:40,208 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 4453 transitions. [2020-12-23 08:42:40,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:42:40,214 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:40,214 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 08:42:40,214 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:42:40,214 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:40,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:40,215 INFO L82 PathProgramCache]: Analyzing trace with hash 801427455, now seen corresponding path program 1 times [2020-12-23 08:42:40,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:40,216 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890830262] [2020-12-23 08:42:40,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:40,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:40,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890830262] [2020-12-23 08:42:40,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:40,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:40,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429115753] [2020-12-23 08:42:40,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:40,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:40,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:40,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:40,322 INFO L87 Difference]: Start difference. First operand 2475 states and 4453 transitions. Second operand 3 states. [2020-12-23 08:42:40,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:40,639 INFO L93 Difference]: Finished difference Result 6748 states and 12163 transitions. [2020-12-23 08:42:40,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:40,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:42:40,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:40,666 INFO L225 Difference]: With dead ends: 6748 [2020-12-23 08:42:40,666 INFO L226 Difference]: Without dead ends: 4408 [2020-12-23 08:42:40,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:40,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4408 states. [2020-12-23 08:42:40,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4408 to 4053. [2020-12-23 08:42:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4053 states. [2020-12-23 08:42:40,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4053 states to 4053 states and 7350 transitions. [2020-12-23 08:42:40,938 INFO L78 Accepts]: Start accepts. Automaton has 4053 states and 7350 transitions. Word has length 69 [2020-12-23 08:42:40,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:40,938 INFO L481 AbstractCegarLoop]: Abstraction has 4053 states and 7350 transitions. [2020-12-23 08:42:40,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:40,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4053 states and 7350 transitions. [2020-12-23 08:42:40,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:42:40,948 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:40,948 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 08:42:40,948 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:42:40,949 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:40,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:40,949 INFO L82 PathProgramCache]: Analyzing trace with hash 183505326, now seen corresponding path program 1 times [2020-12-23 08:42:40,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:40,950 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273591170] [2020-12-23 08:42:40,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:41,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:41,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273591170] [2020-12-23 08:42:41,023 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:41,023 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:41,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166281820] [2020-12-23 08:42:41,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:41,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:41,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:41,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:41,025 INFO L87 Difference]: Start difference. First operand 4053 states and 7350 transitions. Second operand 3 states. [2020-12-23 08:42:41,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:41,446 INFO L93 Difference]: Finished difference Result 11198 states and 20337 transitions. [2020-12-23 08:42:41,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:41,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:42:41,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:41,502 INFO L225 Difference]: With dead ends: 11198 [2020-12-23 08:42:41,503 INFO L226 Difference]: Without dead ends: 7314 [2020-12-23 08:42:41,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:41,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7314 states. [2020-12-23 08:42:42,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7314 to 6959. [2020-12-23 08:42:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6959 states. [2020-12-23 08:42:42,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6959 states to 6959 states and 12679 transitions. [2020-12-23 08:42:42,058 INFO L78 Accepts]: Start accepts. Automaton has 6959 states and 12679 transitions. Word has length 70 [2020-12-23 08:42:42,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:42,058 INFO L481 AbstractCegarLoop]: Abstraction has 6959 states and 12679 transitions. [2020-12-23 08:42:42,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:42,058 INFO L276 IsEmpty]: Start isEmpty. Operand 6959 states and 12679 transitions. [2020-12-23 08:42:42,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:42:42,066 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:42,066 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 08:42:42,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:42:42,066 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:42,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:42,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1303034190, now seen corresponding path program 1 times [2020-12-23 08:42:42,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:42,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365965827] [2020-12-23 08:42:42,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:42,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:42,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:42,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365965827] [2020-12-23 08:42:42,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:42,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:42,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867526456] [2020-12-23 08:42:42,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:42,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:42,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:42,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:42,139 INFO L87 Difference]: Start difference. First operand 6959 states and 12679 transitions. Second operand 3 states. [2020-12-23 08:42:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:42,982 INFO L93 Difference]: Finished difference Result 20242 states and 36935 transitions. [2020-12-23 08:42:42,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:42,983 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 08:42:42,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:43,033 INFO L225 Difference]: With dead ends: 20242 [2020-12-23 08:42:43,033 INFO L226 Difference]: Without dead ends: 13460 [2020-12-23 08:42:43,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13460 states. [2020-12-23 08:42:43,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13460 to 13105. [2020-12-23 08:42:43,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13105 states. [2020-12-23 08:42:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13105 states to 13105 states and 23944 transitions. [2020-12-23 08:42:43,891 INFO L78 Accepts]: Start accepts. Automaton has 13105 states and 23944 transitions. Word has length 71 [2020-12-23 08:42:43,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:43,892 INFO L481 AbstractCegarLoop]: Abstraction has 13105 states and 23944 transitions. [2020-12-23 08:42:43,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:43,892 INFO L276 IsEmpty]: Start isEmpty. Operand 13105 states and 23944 transitions. [2020-12-23 08:42:43,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:42:43,902 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:43,902 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 08:42:43,902 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:42:43,902 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:43,903 INFO L82 PathProgramCache]: Analyzing trace with hash -191125409, now seen corresponding path program 1 times [2020-12-23 08:42:43,903 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:43,903 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908107742] [2020-12-23 08:42:43,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:43,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:43,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908107742] [2020-12-23 08:42:43,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:43,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:43,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669297329] [2020-12-23 08:42:43,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:43,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:43,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:43,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:43,973 INFO L87 Difference]: Start difference. First operand 13105 states and 23944 transitions. Second operand 3 states. [2020-12-23 08:42:45,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:45,400 INFO L93 Difference]: Finished difference Result 38510 states and 70429 transitions. [2020-12-23 08:42:45,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:45,401 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:42:45,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:45,509 INFO L225 Difference]: With dead ends: 38510 [2020-12-23 08:42:45,509 INFO L226 Difference]: Without dead ends: 25590 [2020-12-23 08:42:45,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:45,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25590 states. [2020-12-23 08:42:46,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25590 to 25235. [2020-12-23 08:42:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25235 states. [2020-12-23 08:42:47,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25235 states to 25235 states and 46153 transitions. [2020-12-23 08:42:47,063 INFO L78 Accepts]: Start accepts. Automaton has 25235 states and 46153 transitions. Word has length 72 [2020-12-23 08:42:47,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:47,064 INFO L481 AbstractCegarLoop]: Abstraction has 25235 states and 46153 transitions. [2020-12-23 08:42:47,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 25235 states and 46153 transitions. [2020-12-23 08:42:47,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:42:47,078 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:47,079 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 08:42:47,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:42:47,079 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:47,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:47,080 INFO L82 PathProgramCache]: Analyzing trace with hash 922484127, now seen corresponding path program 1 times [2020-12-23 08:42:47,080 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:47,080 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793785983] [2020-12-23 08:42:47,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:47,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793785983] [2020-12-23 08:42:47,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:47,168 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:47,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345363664] [2020-12-23 08:42:47,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:47,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:47,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:47,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:47,170 INFO L87 Difference]: Start difference. First operand 25235 states and 46153 transitions. Second operand 3 states. [2020-12-23 08:42:49,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:49,682 INFO L93 Difference]: Finished difference Result 69539 states and 126792 transitions. [2020-12-23 08:42:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:49,683 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 08:42:49,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:49,825 INFO L225 Difference]: With dead ends: 69539 [2020-12-23 08:42:49,825 INFO L226 Difference]: Without dead ends: 44536 [2020-12-23 08:42:49,866 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 08:42:49,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44536 states. [2020-12-23 08:42:52,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44536 to 44181. [2020-12-23 08:42:52,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44181 states. [2020-12-23 08:42:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44181 states to 44181 states and 80330 transitions. [2020-12-23 08:42:52,639 INFO L78 Accepts]: Start accepts. Automaton has 44181 states and 80330 transitions. Word has length 73 [2020-12-23 08:42:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:52,639 INFO L481 AbstractCegarLoop]: Abstraction has 44181 states and 80330 transitions. [2020-12-23 08:42:52,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 44181 states and 80330 transitions. [2020-12-23 08:42:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:42:52,652 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:52,653 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 08:42:52,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:42:52,653 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:52,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:52,654 INFO L82 PathProgramCache]: Analyzing trace with hash 670111640, now seen corresponding path program 1 times [2020-12-23 08:42:52,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:52,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984618692] [2020-12-23 08:42:52,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:42:52,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984618692] [2020-12-23 08:42:52,750 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:52,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:52,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682914214] [2020-12-23 08:42:52,753 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:52,754 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:52,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:52,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:52,755 INFO L87 Difference]: Start difference. First operand 44181 states and 80330 transitions. Second operand 5 states. [2020-12-23 08:42:55,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:55,993 INFO L93 Difference]: Finished difference Result 130152 states and 236625 transitions. [2020-12-23 08:42:55,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:42:55,993 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-12-23 08:42:55,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:56,326 INFO L225 Difference]: With dead ends: 130152 [2020-12-23 08:42:56,326 INFO L226 Difference]: Without dead ends: 86271 [2020-12-23 08:42:56,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:42:56,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86271 states. [2020-12-23 08:42:59,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86271 to 44181. [2020-12-23 08:42:59,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44181 states. [2020-12-23 08:42:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44181 states to 44181 states and 80072 transitions. [2020-12-23 08:42:59,657 INFO L78 Accepts]: Start accepts. Automaton has 44181 states and 80072 transitions. Word has length 74 [2020-12-23 08:42:59,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:59,657 INFO L481 AbstractCegarLoop]: Abstraction has 44181 states and 80072 transitions. [2020-12-23 08:42:59,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:59,658 INFO L276 IsEmpty]: Start isEmpty. Operand 44181 states and 80072 transitions. [2020-12-23 08:42:59,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:42:59,669 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:59,669 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 08:42:59,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:42:59,670 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:59,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:59,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2057016890, now seen corresponding path program 2 times [2020-12-23 08:42:59,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:59,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252563127] [2020-12-23 08:42:59,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:59,736 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:59,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252563127] [2020-12-23 08:42:59,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:59,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:59,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324202688] [2020-12-23 08:42:59,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:59,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:59,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:59,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:59,739 INFO L87 Difference]: Start difference. First operand 44181 states and 80072 transitions. Second operand 3 states. [2020-12-23 08:43:01,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:01,710 INFO L93 Difference]: Finished difference Result 88411 states and 160194 transitions. [2020-12-23 08:43:01,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:43:01,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 08:43:01,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:01,868 INFO L225 Difference]: With dead ends: 88411 [2020-12-23 08:43:01,868 INFO L226 Difference]: Without dead ends: 44536 [2020-12-23 08:43:01,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:01,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44536 states. [2020-12-23 08:43:03,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44536 to 44181. [2020-12-23 08:43:03,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44181 states. [2020-12-23 08:43:04,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44181 states to 44181 states and 79944 transitions. [2020-12-23 08:43:04,047 INFO L78 Accepts]: Start accepts. Automaton has 44181 states and 79944 transitions. Word has length 74 [2020-12-23 08:43:04,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:04,048 INFO L481 AbstractCegarLoop]: Abstraction has 44181 states and 79944 transitions. [2020-12-23 08:43:04,048 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:43:04,048 INFO L276 IsEmpty]: Start isEmpty. Operand 44181 states and 79944 transitions. [2020-12-23 08:43:04,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:43:04,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:04,065 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:43:04,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:43:04,065 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:04,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:04,066 INFO L82 PathProgramCache]: Analyzing trace with hash -931846099, now seen corresponding path program 1 times [2020-12-23 08:43:04,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:04,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097106323] [2020-12-23 08:43:04,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:04,152 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 08:43:04,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097106323] [2020-12-23 08:43:04,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:04,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:43:04,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570312063] [2020-12-23 08:43:04,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:43:04,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:04,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:43:04,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:04,155 INFO L87 Difference]: Start difference. First operand 44181 states and 79944 transitions. Second operand 3 states. [2020-12-23 08:43:06,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:06,915 INFO L93 Difference]: Finished difference Result 124037 states and 224268 transitions. [2020-12-23 08:43:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:43:06,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 08:43:06,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:07,078 INFO L225 Difference]: With dead ends: 124037 [2020-12-23 08:43:07,078 INFO L226 Difference]: Without dead ends: 80122 [2020-12-23 08:43:07,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:07,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80122 states. [2020-12-23 08:43:10,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80122 to 79767. [2020-12-23 08:43:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79767 states. [2020-12-23 08:43:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79767 states to 79767 states and 143945 transitions. [2020-12-23 08:43:10,736 INFO L78 Accepts]: Start accepts. Automaton has 79767 states and 143945 transitions. Word has length 74 [2020-12-23 08:43:10,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:10,736 INFO L481 AbstractCegarLoop]: Abstraction has 79767 states and 143945 transitions. [2020-12-23 08:43:10,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:43:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 79767 states and 143945 transitions. [2020-12-23 08:43:10,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:43:10,749 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:10,749 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 08:43:10,749 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:43:10,749 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:10,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:10,750 INFO L82 PathProgramCache]: Analyzing trace with hash 744863668, now seen corresponding path program 1 times [2020-12-23 08:43:10,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:10,751 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150489224] [2020-12-23 08:43:10,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:10,887 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:43:10,888 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150489224] [2020-12-23 08:43:10,888 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:10,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:43:10,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532447413] [2020-12-23 08:43:10,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:43:10,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:10,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:43:10,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:43:10,890 INFO L87 Difference]: Start difference. First operand 79767 states and 143945 transitions. Second operand 10 states. [2020-12-23 08:43:11,757 WARN L197 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-23 08:43:15,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:15,742 INFO L93 Difference]: Finished difference Result 82409 states and 148178 transitions. [2020-12-23 08:43:15,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 08:43:15,743 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2020-12-23 08:43:15,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:15,885 INFO L225 Difference]: With dead ends: 82409 [2020-12-23 08:43:15,885 INFO L226 Difference]: Without dead ends: 82115 [2020-12-23 08:43:15,905 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:43:15,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82115 states. [2020-12-23 08:43:19,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82115 to 80034. [2020-12-23 08:43:19,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80034 states. [2020-12-23 08:43:19,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80034 states to 80034 states and 144369 transitions. [2020-12-23 08:43:19,582 INFO L78 Accepts]: Start accepts. Automaton has 80034 states and 144369 transitions. Word has length 75 [2020-12-23 08:43:19,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:19,583 INFO L481 AbstractCegarLoop]: Abstraction has 80034 states and 144369 transitions. [2020-12-23 08:43:19,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:43:19,583 INFO L276 IsEmpty]: Start isEmpty. Operand 80034 states and 144369 transitions. [2020-12-23 08:43:19,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:43:19,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:19,594 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 08:43:19,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:43:19,594 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:19,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:19,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1864955073, now seen corresponding path program 1 times [2020-12-23 08:43:19,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:19,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194752127] [2020-12-23 08:43:19,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:19,996 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:43:19,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194752127] [2020-12-23 08:43:19,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313128703] [2020-12-23 08:43:19,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:43:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:20,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:43:20,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:43:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:43:20,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:43:20,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2020-12-23 08:43:20,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188948546] [2020-12-23 08:43:20,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 08:43:20,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:20,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 08:43:20,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-12-23 08:43:20,390 INFO L87 Difference]: Start difference. First operand 80034 states and 144369 transitions. Second operand 11 states. [2020-12-23 08:43:27,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:27,002 INFO L93 Difference]: Finished difference Result 132877 states and 237372 transitions. [2020-12-23 08:43:27,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-23 08:43:27,004 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 76 [2020-12-23 08:43:27,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:27,261 INFO L225 Difference]: With dead ends: 132877 [2020-12-23 08:43:27,261 INFO L226 Difference]: Without dead ends: 132255 [2020-12-23 08:43:27,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=281, Invalid=1125, Unknown=0, NotChecked=0, Total=1406 [2020-12-23 08:43:27,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132255 states. [2020-12-23 08:43:32,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132255 to 122539. [2020-12-23 08:43:32,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122539 states. [2020-12-23 08:43:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122539 states to 122539 states and 220828 transitions. [2020-12-23 08:43:32,652 INFO L78 Accepts]: Start accepts. Automaton has 122539 states and 220828 transitions. Word has length 76 [2020-12-23 08:43:32,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:32,652 INFO L481 AbstractCegarLoop]: Abstraction has 122539 states and 220828 transitions. [2020-12-23 08:43:32,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 08:43:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 122539 states and 220828 transitions. [2020-12-23 08:43:32,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:43:32,976 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:32,976 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] [2020-12-23 08:43:33,188 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:43:33,189 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:33,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:33,190 INFO L82 PathProgramCache]: Analyzing trace with hash -31386081, now seen corresponding path program 1 times [2020-12-23 08:43:33,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:33,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468307925] [2020-12-23 08:43:33,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:33,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:33,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:43:33,280 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468307925] [2020-12-23 08:43:33,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:33,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:43:33,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589240396] [2020-12-23 08:43:33,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:43:33,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:33,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:43:33,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:33,287 INFO L87 Difference]: Start difference. First operand 122539 states and 220828 transitions. Second operand 3 states. [2020-12-23 08:43:42,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:42,127 INFO L93 Difference]: Finished difference Result 358602 states and 646458 transitions. [2020-12-23 08:43:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:43:42,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 08:43:42,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:42,941 INFO L225 Difference]: With dead ends: 358602 [2020-12-23 08:43:42,942 INFO L226 Difference]: Without dead ends: 238472 [2020-12-23 08:43:43,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:43,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238472 states. [2020-12-23 08:43:53,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238472 to 237248. [2020-12-23 08:43:53,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237248 states. [2020-12-23 08:43:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237248 states to 237248 states and 427120 transitions. [2020-12-23 08:43:53,754 INFO L78 Accepts]: Start accepts. Automaton has 237248 states and 427120 transitions. Word has length 76 [2020-12-23 08:43:53,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:53,755 INFO L481 AbstractCegarLoop]: Abstraction has 237248 states and 427120 transitions. [2020-12-23 08:43:53,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:43:53,755 INFO L276 IsEmpty]: Start isEmpty. Operand 237248 states and 427120 transitions. [2020-12-23 08:43:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:43:53,774 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:53,774 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:43:53,774 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:43:53,774 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:53,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:53,775 INFO L82 PathProgramCache]: Analyzing trace with hash 683584823, now seen corresponding path program 1 times [2020-12-23 08:43:53,775 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:53,775 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668763528] [2020-12-23 08:43:53,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:43:54,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668763528] [2020-12-23 08:43:54,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:54,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:43:54,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101553913] [2020-12-23 08:43:54,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:43:54,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:54,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:43:54,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:54,266 INFO L87 Difference]: Start difference. First operand 237248 states and 427120 transitions. Second operand 3 states. [2020-12-23 08:44:09,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:09,106 INFO L93 Difference]: Finished difference Result 425027 states and 763234 transitions. [2020-12-23 08:44:09,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:09,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 08:44:09,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:10,336 INFO L225 Difference]: With dead ends: 425027 [2020-12-23 08:44:10,336 INFO L226 Difference]: Without dead ends: 423803 [2020-12-23 08:44:10,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:10,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423803 states. [2020-12-23 08:44:32,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423803 to 422579. [2020-12-23 08:44:32,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422579 states. [2020-12-23 08:44:34,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422579 states to 422579 states and 757769 transitions. [2020-12-23 08:44:34,541 INFO L78 Accepts]: Start accepts. Automaton has 422579 states and 757769 transitions. Word has length 77 [2020-12-23 08:44:34,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:34,542 INFO L481 AbstractCegarLoop]: Abstraction has 422579 states and 757769 transitions. [2020-12-23 08:44:34,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:34,542 INFO L276 IsEmpty]: Start isEmpty. Operand 422579 states and 757769 transitions. [2020-12-23 08:44:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:44:34,559 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:34,559 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:34,560 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:44:34,560 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:34,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:34,560 INFO L82 PathProgramCache]: Analyzing trace with hash -948802451, now seen corresponding path program 1 times [2020-12-23 08:44:34,561 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:34,561 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823791687] [2020-12-23 08:44:34,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:34,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823791687] [2020-12-23 08:44:34,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:34,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:44:34,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849964496] [2020-12-23 08:44:34,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:44:34,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:34,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:44:34,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:44:34,693 INFO L87 Difference]: Start difference. First operand 422579 states and 757769 transitions. Second operand 10 states. [2020-12-23 08:44:51,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:51,350 INFO L93 Difference]: Finished difference Result 427589 states and 765795 transitions. [2020-12-23 08:44:51,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 08:44:51,351 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-12-23 08:44:51,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:52,457 INFO L225 Difference]: With dead ends: 427589 [2020-12-23 08:44:52,458 INFO L226 Difference]: Without dead ends: 426629 [2020-12-23 08:44:52,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:44:52,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426629 states. [2020-12-23 08:45:10,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426629 to 422811. [2020-12-23 08:45:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422811 states. [2020-12-23 08:45:13,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422811 states to 422811 states and 758115 transitions. [2020-12-23 08:45:13,793 INFO L78 Accepts]: Start accepts. Automaton has 422811 states and 758115 transitions. Word has length 78 [2020-12-23 08:45:13,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:13,793 INFO L481 AbstractCegarLoop]: Abstraction has 422811 states and 758115 transitions. [2020-12-23 08:45:13,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:45:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 422811 states and 758115 transitions. [2020-12-23 08:45:13,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:45:13,811 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:13,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:13,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:45:13,811 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:13,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:13,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1366833430, now seen corresponding path program 1 times [2020-12-23 08:45:13,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:13,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146590724] [2020-12-23 08:45:13,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:14,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146590724] [2020-12-23 08:45:14,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:14,012 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 08:45:14,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66376829] [2020-12-23 08:45:14,012 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 08:45:14,012 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:14,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 08:45:14,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:45:14,013 INFO L87 Difference]: Start difference. First operand 422811 states and 758115 transitions. Second operand 7 states.