/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_spec27_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:47:09,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:47:09,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:47:09,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:47:09,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:47:09,844 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:47:09,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:47:09,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:47:09,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:47:09,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:47:09,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:47:09,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:47:09,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:47:09,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:47:09,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:47:09,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:47:09,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:47:09,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:47:09,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:47:09,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:47:09,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:47:09,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:47:09,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:47:09,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:47:09,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:47:09,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:47:09,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:47:09,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:47:09,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:47:09,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:47:09,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:47:09,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:47:09,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:47:09,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:47:09,922 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:47:09,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:47:09,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:47:09,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:47:09,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:47:09,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:47:09,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:47:09,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:47:09,983 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:47:09,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:47:09,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:47:09,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:47:09,989 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:47:09,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:47:09,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:47:09,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:47:09,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:47:09,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:47:09,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:47:09,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:47:09,991 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:47:09,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:47:09,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:47:09,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:47:09,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:47:09,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:47:09,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:47:09,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:47:09,996 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:47:09,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:47:09,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:47:10,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:47:10,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:47:10,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:47:10,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:47:10,408 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:47:10,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:47:10,413 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:47:10,413 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:47:10,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product31.cil.c [2021-01-06 18:47:10,508 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f048944bc/ecc50f7462434d1d87fefb3326b5c24a/FLAG598155199 [2021-01-06 18:47:11,401 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:47:11,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product31.cil.c [2021-01-06 18:47:11,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f048944bc/ecc50f7462434d1d87fefb3326b5c24a/FLAG598155199 [2021-01-06 18:47:11,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f048944bc/ecc50f7462434d1d87fefb3326b5c24a [2021-01-06 18:47:11,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:47:11,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:47:11,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:47:11,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:47:11,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:47:11,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:47:11" (1/1) ... [2021-01-06 18:47:11,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137690ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:11, skipping insertion in model container [2021-01-06 18:47:11,617 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:47:11" (1/1) ... [2021-01-06 18:47:11,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:47:11,732 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,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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[~__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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~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_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~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_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_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~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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~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_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~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_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~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_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~29,] 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~29,] 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~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[~retValue_acc~30,] 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[~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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~31,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2021-01-06 18:47:12,642 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_spec27_product31.cil.c[61027,61040] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:47:12,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:47:12,672 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,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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[~__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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] 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~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_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~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_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_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~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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~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_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~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_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~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_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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~29,] 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~29,] 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~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[~retValue_acc~30,] 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[~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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~31,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] 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[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2021-01-06 18:47:12,790 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_spec27_product31.cil.c[61027,61040] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:47:12,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:47:12,916 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:47:12,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12 WrapperNode [2021-01-06 18:47:12,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:47:12,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:47:12,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:47:12,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:47:12,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... [2021-01-06 18:47:12,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... [2021-01-06 18:47:13,136 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:47:13,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:47:13,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:47:13,138 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:47:13,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... [2021-01-06 18:47:13,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... [2021-01-06 18:47:13,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... [2021-01-06 18:47:13,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... [2021-01-06 18:47:13,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... [2021-01-06 18:47:13,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... [2021-01-06 18:47:13,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... [2021-01-06 18:47:13,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:47:13,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:47:13,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:47:13,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:47:13,282 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:47:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:47:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:47:13,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:47:13,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:47:13,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:47:15,953 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:47:15,953 INFO L299 CfgBuilder]: Removed 379 assume(true) statements. [2021-01-06 18:47:15,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:47:15 BoogieIcfgContainer [2021-01-06 18:47:15,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:47:15,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:47:15,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:47:15,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:47:15,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:47:11" (1/3) ... [2021-01-06 18:47:15,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b29c738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:47:15, skipping insertion in model container [2021-01-06 18:47:15,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:47:12" (2/3) ... [2021-01-06 18:47:15,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b29c738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:47:15, skipping insertion in model container [2021-01-06 18:47:15,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:47:15" (3/3) ... [2021-01-06 18:47:15,965 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product31.cil.c [2021-01-06 18:47:15,972 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:47:15,978 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:47:15,997 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:47:16,030 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:47:16,030 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:47:16,030 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:47:16,030 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:47:16,030 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:47:16,031 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:47:16,031 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:47:16,031 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:47:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states. [2021-01-06 18:47:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-01-06 18:47:16,075 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:16,076 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] [2021-01-06 18:47:16,076 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:16,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:16,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1232814721, now seen corresponding path program 1 times [2021-01-06 18:47:16,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:16,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506304200] [2021-01-06 18:47:16,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:16,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:16,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506304200] [2021-01-06 18:47:16,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:16,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:16,555 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957832364] [2021-01-06 18:47:16,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:16,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:16,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:16,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:16,577 INFO L87 Difference]: Start difference. First operand 585 states. Second operand 3 states. [2021-01-06 18:47:16,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:16,764 INFO L93 Difference]: Finished difference Result 1720 states and 2984 transitions. [2021-01-06 18:47:16,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:16,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2021-01-06 18:47:16,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:16,798 INFO L225 Difference]: With dead ends: 1720 [2021-01-06 18:47:16,799 INFO L226 Difference]: Without dead ends: 1054 [2021-01-06 18:47:16,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:16,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2021-01-06 18:47:16,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 536. [2021-01-06 18:47:16,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:47:16,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 930 transitions. [2021-01-06 18:47:16,938 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 930 transitions. Word has length 62 [2021-01-06 18:47:16,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:16,939 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 930 transitions. [2021-01-06 18:47:16,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:16,939 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 930 transitions. [2021-01-06 18:47:16,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:47:16,949 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:16,950 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] [2021-01-06 18:47:16,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:47:16,950 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:16,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:16,953 INFO L82 PathProgramCache]: Analyzing trace with hash -2071876332, now seen corresponding path program 1 times [2021-01-06 18:47:16,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:16,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795682411] [2021-01-06 18:47:16,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:17,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795682411] [2021-01-06 18:47:17,270 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:17,270 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:47:17,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108625854] [2021-01-06 18:47:17,273 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:17,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:17,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:17,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:17,275 INFO L87 Difference]: Start difference. First operand 536 states and 930 transitions. Second operand 5 states. [2021-01-06 18:47:17,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:17,495 INFO L93 Difference]: Finished difference Result 1557 states and 2706 transitions. [2021-01-06 18:47:17,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:47:17,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2021-01-06 18:47:17,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:17,507 INFO L225 Difference]: With dead ends: 1557 [2021-01-06 18:47:17,507 INFO L226 Difference]: Without dead ends: 1040 [2021-01-06 18:47:17,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:47:17,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2021-01-06 18:47:17,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 536. [2021-01-06 18:47:17,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:47:17,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 929 transitions. [2021-01-06 18:47:17,562 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 929 transitions. Word has length 64 [2021-01-06 18:47:17,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:17,562 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 929 transitions. [2021-01-06 18:47:17,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:17,563 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 929 transitions. [2021-01-06 18:47:17,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:47:17,567 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:17,567 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] [2021-01-06 18:47:17,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:47:17,568 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:17,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:17,572 INFO L82 PathProgramCache]: Analyzing trace with hash 910925921, now seen corresponding path program 1 times [2021-01-06 18:47:17,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:17,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59106007] [2021-01-06 18:47:17,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:17,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:17,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59106007] [2021-01-06 18:47:17,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:17,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:17,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847571955] [2021-01-06 18:47:17,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:17,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:17,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:17,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:17,738 INFO L87 Difference]: Start difference. First operand 536 states and 929 transitions. Second operand 3 states. [2021-01-06 18:47:17,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:17,778 INFO L93 Difference]: Finished difference Result 1054 states and 1832 transitions. [2021-01-06 18:47:17,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:17,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 18:47:17,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:17,782 INFO L225 Difference]: With dead ends: 1054 [2021-01-06 18:47:17,783 INFO L226 Difference]: Without dead ends: 541 [2021-01-06 18:47:17,784 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:17,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 541 states. [2021-01-06 18:47:17,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 541 to 536. [2021-01-06 18:47:17,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:47:17,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 928 transitions. [2021-01-06 18:47:17,820 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 928 transitions. Word has length 65 [2021-01-06 18:47:17,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:17,828 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 928 transitions. [2021-01-06 18:47:17,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:17,828 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 928 transitions. [2021-01-06 18:47:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:47:17,831 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:17,831 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] [2021-01-06 18:47:17,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:47:17,832 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:17,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:17,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1516164825, now seen corresponding path program 1 times [2021-01-06 18:47:17,834 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:17,835 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809018901] [2021-01-06 18:47:17,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:17,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:17,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809018901] [2021-01-06 18:47:17,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:17,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:17,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164339814] [2021-01-06 18:47:17,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:17,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:17,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:17,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:17,972 INFO L87 Difference]: Start difference. First operand 536 states and 928 transitions. Second operand 3 states. [2021-01-06 18:47:18,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:18,026 INFO L93 Difference]: Finished difference Result 1064 states and 1845 transitions. [2021-01-06 18:47:18,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:18,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:47:18,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:18,030 INFO L225 Difference]: With dead ends: 1064 [2021-01-06 18:47:18,030 INFO L226 Difference]: Without dead ends: 536 [2021-01-06 18:47:18,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:18,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2021-01-06 18:47:18,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2021-01-06 18:47:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:47:18,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 926 transitions. [2021-01-06 18:47:18,108 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 926 transitions. Word has length 66 [2021-01-06 18:47:18,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:18,110 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 926 transitions. [2021-01-06 18:47:18,110 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:18,110 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 926 transitions. [2021-01-06 18:47:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:47:18,112 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:18,112 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] [2021-01-06 18:47:18,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:47:18,113 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:18,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:18,113 INFO L82 PathProgramCache]: Analyzing trace with hash -649267268, now seen corresponding path program 1 times [2021-01-06 18:47:18,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:18,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681982135] [2021-01-06 18:47:18,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:18,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681982135] [2021-01-06 18:47:18,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:18,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:47:18,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754504379] [2021-01-06 18:47:18,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:18,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:18,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:18,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:18,221 INFO L87 Difference]: Start difference. First operand 536 states and 926 transitions. Second operand 5 states. [2021-01-06 18:47:18,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:18,401 INFO L93 Difference]: Finished difference Result 1547 states and 2686 transitions. [2021-01-06 18:47:18,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:47:18,402 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2021-01-06 18:47:18,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:18,409 INFO L225 Difference]: With dead ends: 1547 [2021-01-06 18:47:18,409 INFO L226 Difference]: Without dead ends: 1038 [2021-01-06 18:47:18,411 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:47:18,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1038 states. [2021-01-06 18:47:18,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1038 to 536. [2021-01-06 18:47:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:47:18,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 925 transitions. [2021-01-06 18:47:18,447 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 925 transitions. Word has length 67 [2021-01-06 18:47:18,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:18,448 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 925 transitions. [2021-01-06 18:47:18,448 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 925 transitions. [2021-01-06 18:47:18,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:47:18,449 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:18,450 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] [2021-01-06 18:47:18,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:47:18,450 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:18,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:18,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1554239583, now seen corresponding path program 1 times [2021-01-06 18:47:18,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:18,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719600875] [2021-01-06 18:47:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:18,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:18,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:18,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719600875] [2021-01-06 18:47:18,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:18,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:47:18,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5773339] [2021-01-06 18:47:18,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:18,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:18,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:18,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:18,583 INFO L87 Difference]: Start difference. First operand 536 states and 925 transitions. Second operand 5 states. [2021-01-06 18:47:18,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:18,776 INFO L93 Difference]: Finished difference Result 1552 states and 2691 transitions. [2021-01-06 18:47:18,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:47:18,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-06 18:47:18,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:18,784 INFO L225 Difference]: With dead ends: 1552 [2021-01-06 18:47:18,784 INFO L226 Difference]: Without dead ends: 1043 [2021-01-06 18:47:18,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:47:18,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2021-01-06 18:47:18,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 536. [2021-01-06 18:47:18,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2021-01-06 18:47:18,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 924 transitions. [2021-01-06 18:47:18,830 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 924 transitions. Word has length 68 [2021-01-06 18:47:18,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:18,830 INFO L481 AbstractCegarLoop]: Abstraction has 536 states and 924 transitions. [2021-01-06 18:47:18,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 924 transitions. [2021-01-06 18:47:18,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:47:18,832 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:18,833 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] [2021-01-06 18:47:18,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:47:18,834 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:18,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:18,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1696413047, now seen corresponding path program 1 times [2021-01-06 18:47:18,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:18,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648423042] [2021-01-06 18:47:18,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:18,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:18,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:18,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648423042] [2021-01-06 18:47:18,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:18,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:18,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604511047] [2021-01-06 18:47:18,945 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:18,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:18,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:18,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:18,946 INFO L87 Difference]: Start difference. First operand 536 states and 924 transitions. Second operand 3 states. [2021-01-06 18:47:18,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:18,994 INFO L93 Difference]: Finished difference Result 834 states and 1424 transitions. [2021-01-06 18:47:18,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:18,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:47:18,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:18,999 INFO L225 Difference]: With dead ends: 834 [2021-01-06 18:47:18,999 INFO L226 Difference]: Without dead ends: 539 [2021-01-06 18:47:19,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:19,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2021-01-06 18:47:19,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 538. [2021-01-06 18:47:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2021-01-06 18:47:19,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 926 transitions. [2021-01-06 18:47:19,043 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 926 transitions. Word has length 69 [2021-01-06 18:47:19,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:19,045 INFO L481 AbstractCegarLoop]: Abstraction has 538 states and 926 transitions. [2021-01-06 18:47:19,045 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:19,046 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 926 transitions. [2021-01-06 18:47:19,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:47:19,052 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:19,052 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:19,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:47:19,053 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:19,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:19,053 INFO L82 PathProgramCache]: Analyzing trace with hash -38431755, now seen corresponding path program 1 times [2021-01-06 18:47:19,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:19,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590250126] [2021-01-06 18:47:19,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:19,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:19,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590250126] [2021-01-06 18:47:19,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:19,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:19,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731250901] [2021-01-06 18:47:19,170 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:19,170 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:19,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:19,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:19,171 INFO L87 Difference]: Start difference. First operand 538 states and 926 transitions. Second operand 3 states. [2021-01-06 18:47:19,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:19,241 INFO L93 Difference]: Finished difference Result 1500 states and 2602 transitions. [2021-01-06 18:47:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:19,242 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:47:19,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:19,248 INFO L225 Difference]: With dead ends: 1500 [2021-01-06 18:47:19,249 INFO L226 Difference]: Without dead ends: 993 [2021-01-06 18:47:19,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:19,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2021-01-06 18:47:19,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 698. [2021-01-06 18:47:19,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 698 states. [2021-01-06 18:47:19,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1219 transitions. [2021-01-06 18:47:19,311 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1219 transitions. Word has length 75 [2021-01-06 18:47:19,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:19,312 INFO L481 AbstractCegarLoop]: Abstraction has 698 states and 1219 transitions. [2021-01-06 18:47:19,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:19,312 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1219 transitions. [2021-01-06 18:47:19,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:47:19,314 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:19,314 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:19,316 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:47:19,316 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:19,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:19,317 INFO L82 PathProgramCache]: Analyzing trace with hash -435431084, now seen corresponding path program 1 times [2021-01-06 18:47:19,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:19,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438797532] [2021-01-06 18:47:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:19,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:19,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438797532] [2021-01-06 18:47:19,437 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623593028] [2021-01-06 18:47:19,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:47:20,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:20,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 1019 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:47:20,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:47:20,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:20,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:47:20,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:47:20,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104657373] [2021-01-06 18:47:20,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:20,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:20,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:20,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:20,242 INFO L87 Difference]: Start difference. First operand 698 states and 1219 transitions. Second operand 5 states. [2021-01-06 18:47:20,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:20,351 INFO L93 Difference]: Finished difference Result 1504 states and 2605 transitions. [2021-01-06 18:47:20,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:47:20,352 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-01-06 18:47:20,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:20,360 INFO L225 Difference]: With dead ends: 1504 [2021-01-06 18:47:20,360 INFO L226 Difference]: Without dead ends: 1209 [2021-01-06 18:47:20,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:20,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1209 states. [2021-01-06 18:47:20,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1209 to 912. [2021-01-06 18:47:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2021-01-06 18:47:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1609 transitions. [2021-01-06 18:47:20,439 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1609 transitions. Word has length 76 [2021-01-06 18:47:20,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:20,439 INFO L481 AbstractCegarLoop]: Abstraction has 912 states and 1609 transitions. [2021-01-06 18:47:20,439 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:20,439 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1609 transitions. [2021-01-06 18:47:20,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:47:20,442 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:20,442 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:20,657 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:47:20,658 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:20,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:20,659 INFO L82 PathProgramCache]: Analyzing trace with hash -862995929, now seen corresponding path program 1 times [2021-01-06 18:47:20,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:20,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851934678] [2021-01-06 18:47:20,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:20,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:20,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851934678] [2021-01-06 18:47:20,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:20,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:20,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439038088] [2021-01-06 18:47:20,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:20,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:20,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:20,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:20,743 INFO L87 Difference]: Start difference. First operand 912 states and 1609 transitions. Second operand 3 states. [2021-01-06 18:47:20,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:20,850 INFO L93 Difference]: Finished difference Result 2402 states and 4251 transitions. [2021-01-06 18:47:20,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:20,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2021-01-06 18:47:20,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:20,862 INFO L225 Difference]: With dead ends: 2402 [2021-01-06 18:47:20,862 INFO L226 Difference]: Without dead ends: 1579 [2021-01-06 18:47:20,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:20,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2021-01-06 18:47:20,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1284. [2021-01-06 18:47:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2021-01-06 18:47:20,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 2287 transitions. [2021-01-06 18:47:20,973 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 2287 transitions. Word has length 82 [2021-01-06 18:47:20,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:20,973 INFO L481 AbstractCegarLoop]: Abstraction has 1284 states and 2287 transitions. [2021-01-06 18:47:20,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:20,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 2287 transitions. [2021-01-06 18:47:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:47:20,977 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:20,977 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:20,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:47:20,978 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:20,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:20,978 INFO L82 PathProgramCache]: Analyzing trace with hash 710120151, now seen corresponding path program 2 times [2021-01-06 18:47:20,978 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:20,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690851213] [2021-01-06 18:47:20,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:21,072 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:21,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690851213] [2021-01-06 18:47:21,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:21,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:21,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075735332] [2021-01-06 18:47:21,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:21,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:21,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:21,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:21,075 INFO L87 Difference]: Start difference. First operand 1284 states and 2287 transitions. Second operand 3 states. [2021-01-06 18:47:21,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:21,194 INFO L93 Difference]: Finished difference Result 2616 states and 4639 transitions. [2021-01-06 18:47:21,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:21,195 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2021-01-06 18:47:21,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:21,208 INFO L225 Difference]: With dead ends: 2616 [2021-01-06 18:47:21,208 INFO L226 Difference]: Without dead ends: 1579 [2021-01-06 18:47:21,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:21,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2021-01-06 18:47:21,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1284. [2021-01-06 18:47:21,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2021-01-06 18:47:21,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 2285 transitions. [2021-01-06 18:47:21,298 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 2285 transitions. Word has length 83 [2021-01-06 18:47:21,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:21,299 INFO L481 AbstractCegarLoop]: Abstraction has 1284 states and 2285 transitions. [2021-01-06 18:47:21,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 2285 transitions. [2021-01-06 18:47:21,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:47:21,302 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:21,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:21,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:47:21,303 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:21,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:21,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1306817718, now seen corresponding path program 1 times [2021-01-06 18:47:21,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:21,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290682492] [2021-01-06 18:47:21,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:21,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290682492] [2021-01-06 18:47:21,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:21,388 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:21,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150096766] [2021-01-06 18:47:21,388 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:21,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:21,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:21,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:21,390 INFO L87 Difference]: Start difference. First operand 1284 states and 2285 transitions. Second operand 3 states. [2021-01-06 18:47:21,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:21,539 INFO L93 Difference]: Finished difference Result 3490 states and 6234 transitions. [2021-01-06 18:47:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:21,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2021-01-06 18:47:21,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:21,553 INFO L225 Difference]: With dead ends: 3490 [2021-01-06 18:47:21,553 INFO L226 Difference]: Without dead ends: 2303 [2021-01-06 18:47:21,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:21,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2303 states. [2021-01-06 18:47:21,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2303 to 2008. [2021-01-06 18:47:21,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2008 states. [2021-01-06 18:47:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 2008 states and 3604 transitions. [2021-01-06 18:47:21,687 INFO L78 Accepts]: Start accepts. Automaton has 2008 states and 3604 transitions. Word has length 83 [2021-01-06 18:47:21,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:21,689 INFO L481 AbstractCegarLoop]: Abstraction has 2008 states and 3604 transitions. [2021-01-06 18:47:21,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:21,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2008 states and 3604 transitions. [2021-01-06 18:47:21,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-01-06 18:47:21,696 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:21,696 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:21,696 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:47:21,696 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:21,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:21,697 INFO L82 PathProgramCache]: Analyzing trace with hash 454298729, now seen corresponding path program 1 times [2021-01-06 18:47:21,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:21,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653340421] [2021-01-06 18:47:21,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:21,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:21,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653340421] [2021-01-06 18:47:21,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:21,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:21,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375854139] [2021-01-06 18:47:21,798 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:21,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:21,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:21,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:21,800 INFO L87 Difference]: Start difference. First operand 2008 states and 3604 transitions. Second operand 3 states. [2021-01-06 18:47:22,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:22,079 INFO L93 Difference]: Finished difference Result 5398 states and 9710 transitions. [2021-01-06 18:47:22,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:22,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2021-01-06 18:47:22,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:22,111 INFO L225 Difference]: With dead ends: 5398 [2021-01-06 18:47:22,112 INFO L226 Difference]: Without dead ends: 3521 [2021-01-06 18:47:22,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:22,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3521 states. [2021-01-06 18:47:22,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3521 to 3226. [2021-01-06 18:47:22,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3226 states. [2021-01-06 18:47:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 3226 states and 5817 transitions. [2021-01-06 18:47:22,461 INFO L78 Accepts]: Start accepts. Automaton has 3226 states and 5817 transitions. Word has length 84 [2021-01-06 18:47:22,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:22,461 INFO L481 AbstractCegarLoop]: Abstraction has 3226 states and 5817 transitions. [2021-01-06 18:47:22,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:22,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3226 states and 5817 transitions. [2021-01-06 18:47:22,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:47:22,469 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:22,469 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:22,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:47:22,470 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:22,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:22,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1330840327, now seen corresponding path program 1 times [2021-01-06 18:47:22,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:22,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291963579] [2021-01-06 18:47:22,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:22,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:22,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291963579] [2021-01-06 18:47:22,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:22,548 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:22,548 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369247195] [2021-01-06 18:47:22,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:22,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:22,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:22,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:22,550 INFO L87 Difference]: Start difference. First operand 3226 states and 5817 transitions. Second operand 3 states. [2021-01-06 18:47:22,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:22,904 INFO L93 Difference]: Finished difference Result 8768 states and 15832 transitions. [2021-01-06 18:47:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:22,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2021-01-06 18:47:22,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:22,942 INFO L225 Difference]: With dead ends: 8768 [2021-01-06 18:47:22,942 INFO L226 Difference]: Without dead ends: 5707 [2021-01-06 18:47:22,950 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:22,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5707 states. [2021-01-06 18:47:23,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5707 to 5412. [2021-01-06 18:47:23,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5412 states. [2021-01-06 18:47:23,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5412 states to 5412 states and 9778 transitions. [2021-01-06 18:47:23,354 INFO L78 Accepts]: Start accepts. Automaton has 5412 states and 9778 transitions. Word has length 85 [2021-01-06 18:47:23,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:23,355 INFO L481 AbstractCegarLoop]: Abstraction has 5412 states and 9778 transitions. [2021-01-06 18:47:23,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:23,355 INFO L276 IsEmpty]: Start isEmpty. Operand 5412 states and 9778 transitions. [2021-01-06 18:47:23,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:47:23,365 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:23,365 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:23,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:47:23,365 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:23,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:23,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1116046123, now seen corresponding path program 1 times [2021-01-06 18:47:23,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:23,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731885055] [2021-01-06 18:47:23,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:23,462 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:47:23,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731885055] [2021-01-06 18:47:23,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:23,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:47:23,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895067151] [2021-01-06 18:47:23,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:23,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:23,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:23,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:23,465 INFO L87 Difference]: Start difference. First operand 5412 states and 9778 transitions. Second operand 5 states. [2021-01-06 18:47:24,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:24,540 INFO L93 Difference]: Finished difference Result 15455 states and 27951 transitions. [2021-01-06 18:47:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:47:24,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2021-01-06 18:47:24,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:24,574 INFO L225 Difference]: With dead ends: 15455 [2021-01-06 18:47:24,575 INFO L226 Difference]: Without dead ends: 10290 [2021-01-06 18:47:24,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:47:24,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10290 states. [2021-01-06 18:47:25,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10290 to 5412. [2021-01-06 18:47:25,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5412 states. [2021-01-06 18:47:25,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5412 states to 5412 states and 9728 transitions. [2021-01-06 18:47:25,125 INFO L78 Accepts]: Start accepts. Automaton has 5412 states and 9728 transitions. Word has length 86 [2021-01-06 18:47:25,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:25,125 INFO L481 AbstractCegarLoop]: Abstraction has 5412 states and 9728 transitions. [2021-01-06 18:47:25,125 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:25,125 INFO L276 IsEmpty]: Start isEmpty. Operand 5412 states and 9728 transitions. [2021-01-06 18:47:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:47:25,135 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:25,135 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:25,135 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:47:25,135 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:25,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:25,136 INFO L82 PathProgramCache]: Analyzing trace with hash 221774042, now seen corresponding path program 1 times [2021-01-06 18:47:25,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:25,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654809073] [2021-01-06 18:47:25,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:47:25,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654809073] [2021-01-06 18:47:25,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:25,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:47:25,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390384629] [2021-01-06 18:47:25,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:47:25,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:25,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:47:25,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:25,215 INFO L87 Difference]: Start difference. First operand 5412 states and 9728 transitions. Second operand 3 states. [2021-01-06 18:47:25,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:25,892 INFO L93 Difference]: Finished difference Result 15652 states and 28179 transitions. [2021-01-06 18:47:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:47:25,893 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2021-01-06 18:47:25,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:25,927 INFO L225 Difference]: With dead ends: 15652 [2021-01-06 18:47:25,927 INFO L226 Difference]: Without dead ends: 10413 [2021-01-06 18:47:25,941 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:47:25,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10413 states. [2021-01-06 18:47:26,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10413 to 10118. [2021-01-06 18:47:26,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10118 states. [2021-01-06 18:47:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10118 states to 10118 states and 18209 transitions. [2021-01-06 18:47:26,772 INFO L78 Accepts]: Start accepts. Automaton has 10118 states and 18209 transitions. Word has length 86 [2021-01-06 18:47:26,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:26,773 INFO L481 AbstractCegarLoop]: Abstraction has 10118 states and 18209 transitions. [2021-01-06 18:47:26,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:47:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 10118 states and 18209 transitions. [2021-01-06 18:47:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:47:26,789 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:26,790 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:26,790 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:47:26,790 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:26,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:26,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1706055962, now seen corresponding path program 1 times [2021-01-06 18:47:26,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:26,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580667939] [2021-01-06 18:47:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:27,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580667939] [2021-01-06 18:47:27,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:27,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:47:27,073 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508706090] [2021-01-06 18:47:27,074 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:47:27,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:27,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:47:27,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:47:27,075 INFO L87 Difference]: Start difference. First operand 10118 states and 18209 transitions. Second operand 9 states. [2021-01-06 18:47:29,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:29,655 INFO L93 Difference]: Finished difference Result 21760 states and 38935 transitions. [2021-01-06 18:47:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:47:29,656 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2021-01-06 18:47:29,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:29,734 INFO L225 Difference]: With dead ends: 21760 [2021-01-06 18:47:29,735 INFO L226 Difference]: Without dead ends: 21496 [2021-01-06 18:47:29,747 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:47:29,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21496 states. [2021-01-06 18:47:30,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21496 to 19961. [2021-01-06 18:47:30,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19961 states. [2021-01-06 18:47:31,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19961 states to 19961 states and 35954 transitions. [2021-01-06 18:47:31,030 INFO L78 Accepts]: Start accepts. Automaton has 19961 states and 35954 transitions. Word has length 87 [2021-01-06 18:47:31,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:31,031 INFO L481 AbstractCegarLoop]: Abstraction has 19961 states and 35954 transitions. [2021-01-06 18:47:31,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:47:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 19961 states and 35954 transitions. [2021-01-06 18:47:31,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:47:31,064 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:31,065 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:31,065 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:47:31,065 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:31,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:31,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1578824895, now seen corresponding path program 1 times [2021-01-06 18:47:31,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:31,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519395495] [2021-01-06 18:47:31,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:31,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:31,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519395495] [2021-01-06 18:47:31,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:31,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:47:31,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267463448] [2021-01-06 18:47:31,206 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:47:31,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:31,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:47:31,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:47:31,209 INFO L87 Difference]: Start difference. First operand 19961 states and 35954 transitions. Second operand 7 states. [2021-01-06 18:47:32,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:32,615 INFO L93 Difference]: Finished difference Result 20630 states and 37049 transitions. [2021-01-06 18:47:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:47:32,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2021-01-06 18:47:32,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:32,692 INFO L225 Difference]: With dead ends: 20630 [2021-01-06 18:47:32,692 INFO L226 Difference]: Without dead ends: 20196 [2021-01-06 18:47:32,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:47:32,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20196 states. [2021-01-06 18:47:33,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20196 to 19949. [2021-01-06 18:47:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19949 states. [2021-01-06 18:47:33,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19949 states to 19949 states and 35927 transitions. [2021-01-06 18:47:33,965 INFO L78 Accepts]: Start accepts. Automaton has 19949 states and 35927 transitions. Word has length 88 [2021-01-06 18:47:33,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:33,965 INFO L481 AbstractCegarLoop]: Abstraction has 19949 states and 35927 transitions. [2021-01-06 18:47:33,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:47:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 19949 states and 35927 transitions. [2021-01-06 18:47:33,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:47:33,998 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:33,998 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:33,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:47:33,999 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:33,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:34,000 INFO L82 PathProgramCache]: Analyzing trace with hash 417854871, now seen corresponding path program 1 times [2021-01-06 18:47:34,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:34,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209243570] [2021-01-06 18:47:34,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:34,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209243570] [2021-01-06 18:47:34,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:34,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:47:34,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433193648] [2021-01-06 18:47:34,154 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:47:34,155 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:34,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:47:34,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:47:34,156 INFO L87 Difference]: Start difference. First operand 19949 states and 35927 transitions. Second operand 9 states. [2021-01-06 18:47:37,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:37,910 INFO L93 Difference]: Finished difference Result 41990 states and 75255 transitions. [2021-01-06 18:47:37,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 18:47:37,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2021-01-06 18:47:37,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:38,017 INFO L225 Difference]: With dead ends: 41990 [2021-01-06 18:47:38,017 INFO L226 Difference]: Without dead ends: 41568 [2021-01-06 18:47:38,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-01-06 18:47:38,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41568 states. [2021-01-06 18:47:39,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41568 to 39664. [2021-01-06 18:47:39,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39664 states. [2021-01-06 18:47:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39664 states to 39664 states and 71456 transitions. [2021-01-06 18:47:39,769 INFO L78 Accepts]: Start accepts. Automaton has 39664 states and 71456 transitions. Word has length 88 [2021-01-06 18:47:39,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:39,770 INFO L481 AbstractCegarLoop]: Abstraction has 39664 states and 71456 transitions. [2021-01-06 18:47:39,770 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:47:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 39664 states and 71456 transitions. [2021-01-06 18:47:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:47:39,843 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:39,843 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:39,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:47:39,843 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:39,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:39,844 INFO L82 PathProgramCache]: Analyzing trace with hash 440487125, now seen corresponding path program 1 times [2021-01-06 18:47:39,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:39,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332377508] [2021-01-06 18:47:39,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:39,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:39,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:39,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332377508] [2021-01-06 18:47:39,977 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:39,977 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:47:39,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065812157] [2021-01-06 18:47:39,978 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:47:39,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:39,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:47:39,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:47:39,979 INFO L87 Difference]: Start difference. First operand 39664 states and 71456 transitions. Second operand 9 states. [2021-01-06 18:47:42,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:42,819 INFO L93 Difference]: Finished difference Result 43708 states and 78066 transitions. [2021-01-06 18:47:42,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:47:42,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2021-01-06 18:47:42,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:42,903 INFO L225 Difference]: With dead ends: 43708 [2021-01-06 18:47:42,904 INFO L226 Difference]: Without dead ends: 42972 [2021-01-06 18:47:42,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:47:42,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42972 states. [2021-01-06 18:47:44,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42972 to 39811. [2021-01-06 18:47:44,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39811 states. [2021-01-06 18:47:45,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39811 states to 39811 states and 71682 transitions. [2021-01-06 18:47:45,053 INFO L78 Accepts]: Start accepts. Automaton has 39811 states and 71682 transitions. Word has length 88 [2021-01-06 18:47:45,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:45,053 INFO L481 AbstractCegarLoop]: Abstraction has 39811 states and 71682 transitions. [2021-01-06 18:47:45,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:47:45,054 INFO L276 IsEmpty]: Start isEmpty. Operand 39811 states and 71682 transitions. [2021-01-06 18:47:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:47:45,085 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:45,085 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:45,085 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:47:45,085 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:45,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:45,086 INFO L82 PathProgramCache]: Analyzing trace with hash -947583578, now seen corresponding path program 1 times [2021-01-06 18:47:45,086 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:45,086 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519965521] [2021-01-06 18:47:45,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:45,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:45,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519965521] [2021-01-06 18:47:45,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:45,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:47:45,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596233492] [2021-01-06 18:47:45,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:45,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:45,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:45,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:45,193 INFO L87 Difference]: Start difference. First operand 39811 states and 71682 transitions. Second operand 5 states. [2021-01-06 18:47:47,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:47,555 INFO L93 Difference]: Finished difference Result 45163 states and 80440 transitions. [2021-01-06 18:47:47,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:47:47,555 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2021-01-06 18:47:47,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:47,618 INFO L225 Difference]: With dead ends: 45163 [2021-01-06 18:47:47,618 INFO L226 Difference]: Without dead ends: 44410 [2021-01-06 18:47:47,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:47:47,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44410 states. [2021-01-06 18:47:49,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44410 to 40753. [2021-01-06 18:47:49,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40753 states. [2021-01-06 18:47:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40753 states to 40753 states and 73207 transitions. [2021-01-06 18:47:49,561 INFO L78 Accepts]: Start accepts. Automaton has 40753 states and 73207 transitions. Word has length 89 [2021-01-06 18:47:49,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:49,561 INFO L481 AbstractCegarLoop]: Abstraction has 40753 states and 73207 transitions. [2021-01-06 18:47:49,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 40753 states and 73207 transitions. [2021-01-06 18:47:49,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:47:49,768 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:49,768 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:49,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:47:49,768 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:49,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:49,769 INFO L82 PathProgramCache]: Analyzing trace with hash -59818570, now seen corresponding path program 1 times [2021-01-06 18:47:49,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:49,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401918759] [2021-01-06 18:47:49,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:49,941 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401918759] [2021-01-06 18:47:49,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:49,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:47:49,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269675336] [2021-01-06 18:47:49,944 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:47:49,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:49,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:47:49,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:47:49,945 INFO L87 Difference]: Start difference. First operand 40753 states and 73207 transitions. Second operand 10 states. [2021-01-06 18:47:52,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:52,310 INFO L93 Difference]: Finished difference Result 43124 states and 77007 transitions. [2021-01-06 18:47:52,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 18:47:52,310 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2021-01-06 18:47:52,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:52,361 INFO L225 Difference]: With dead ends: 43124 [2021-01-06 18:47:52,361 INFO L226 Difference]: Without dead ends: 41419 [2021-01-06 18:47:52,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=196, Invalid=454, Unknown=0, NotChecked=0, Total=650 [2021-01-06 18:47:52,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41419 states. [2021-01-06 18:47:54,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41419 to 40713. [2021-01-06 18:47:54,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40713 states. [2021-01-06 18:47:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40713 states to 40713 states and 73122 transitions. [2021-01-06 18:47:54,333 INFO L78 Accepts]: Start accepts. Automaton has 40713 states and 73122 transitions. Word has length 90 [2021-01-06 18:47:54,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:54,333 INFO L481 AbstractCegarLoop]: Abstraction has 40713 states and 73122 transitions. [2021-01-06 18:47:54,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:47:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 40713 states and 73122 transitions. [2021-01-06 18:47:54,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:47:54,367 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:54,367 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:54,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:47:54,367 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:54,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:54,368 INFO L82 PathProgramCache]: Analyzing trace with hash 706949873, now seen corresponding path program 1 times [2021-01-06 18:47:54,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:54,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207822754] [2021-01-06 18:47:54,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:54,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:54,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207822754] [2021-01-06 18:47:54,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:54,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:47:54,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349236972] [2021-01-06 18:47:54,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:47:54,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:54,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:47:54,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:47:54,469 INFO L87 Difference]: Start difference. First operand 40713 states and 73122 transitions. Second operand 5 states. [2021-01-06 18:47:56,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:47:56,447 INFO L93 Difference]: Finished difference Result 43653 states and 77835 transitions. [2021-01-06 18:47:56,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:47:56,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2021-01-06 18:47:56,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:47:56,503 INFO L225 Difference]: With dead ends: 43653 [2021-01-06 18:47:56,503 INFO L226 Difference]: Without dead ends: 42478 [2021-01-06 18:47:56,513 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:47:56,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42478 states. [2021-01-06 18:47:58,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42478 to 40725. [2021-01-06 18:47:58,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40725 states. [2021-01-06 18:47:58,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40725 states to 40725 states and 73129 transitions. [2021-01-06 18:47:58,558 INFO L78 Accepts]: Start accepts. Automaton has 40725 states and 73129 transitions. Word has length 90 [2021-01-06 18:47:58,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:47:58,559 INFO L481 AbstractCegarLoop]: Abstraction has 40725 states and 73129 transitions. [2021-01-06 18:47:58,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:47:58,559 INFO L276 IsEmpty]: Start isEmpty. Operand 40725 states and 73129 transitions. [2021-01-06 18:47:58,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:47:58,593 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:47:58,593 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:47:58,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:47:58,594 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:47:58,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:47:58,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1253259295, now seen corresponding path program 1 times [2021-01-06 18:47:58,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:47:58,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966882270] [2021-01-06 18:47:58,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:47:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:47:58,663 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:47:58,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966882270] [2021-01-06 18:47:58,664 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:47:58,664 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:47:58,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491579918] [2021-01-06 18:47:58,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:47:58,665 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:47:58,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:47:58,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:47:58,665 INFO L87 Difference]: Start difference. First operand 40725 states and 73129 transitions. Second operand 4 states. [2021-01-06 18:48:01,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:01,180 INFO L93 Difference]: Finished difference Result 46634 states and 82515 transitions. [2021-01-06 18:48:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:48:01,181 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2021-01-06 18:48:01,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:01,236 INFO L225 Difference]: With dead ends: 46634 [2021-01-06 18:48:01,236 INFO L226 Difference]: Without dead ends: 44742 [2021-01-06 18:48:01,246 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:48:01,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44742 states. [2021-01-06 18:48:03,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44742 to 40743. [2021-01-06 18:48:03,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40743 states. [2021-01-06 18:48:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40743 states to 40743 states and 73147 transitions. [2021-01-06 18:48:03,103 INFO L78 Accepts]: Start accepts. Automaton has 40743 states and 73147 transitions. Word has length 92 [2021-01-06 18:48:03,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:03,104 INFO L481 AbstractCegarLoop]: Abstraction has 40743 states and 73147 transitions. [2021-01-06 18:48:03,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:48:03,104 INFO L276 IsEmpty]: Start isEmpty. Operand 40743 states and 73147 transitions. [2021-01-06 18:48:03,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:48:03,133 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:03,133 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:03,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:48:03,134 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:03,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:03,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1170904418, now seen corresponding path program 1 times [2021-01-06 18:48:03,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:03,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531079476] [2021-01-06 18:48:03,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:03,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:03,217 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:48:03,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531079476] [2021-01-06 18:48:03,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:03,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:48:03,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143003710] [2021-01-06 18:48:03,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:48:03,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:03,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:48:03,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:48:03,220 INFO L87 Difference]: Start difference. First operand 40743 states and 73147 transitions. Second operand 6 states. [2021-01-06 18:48:05,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:05,271 INFO L93 Difference]: Finished difference Result 44298 states and 78863 transitions. [2021-01-06 18:48:05,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:48:05,272 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2021-01-06 18:48:05,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:05,335 INFO L225 Difference]: With dead ends: 44298 [2021-01-06 18:48:05,335 INFO L226 Difference]: Without dead ends: 42353 [2021-01-06 18:48:05,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:48:05,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42353 states. [2021-01-06 18:48:06,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42353 to 40690. [2021-01-06 18:48:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40690 states. [2021-01-06 18:48:07,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40690 states to 40690 states and 73055 transitions. [2021-01-06 18:48:07,032 INFO L78 Accepts]: Start accepts. Automaton has 40690 states and 73055 transitions. Word has length 92 [2021-01-06 18:48:07,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:07,032 INFO L481 AbstractCegarLoop]: Abstraction has 40690 states and 73055 transitions. [2021-01-06 18:48:07,032 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:48:07,032 INFO L276 IsEmpty]: Start isEmpty. Operand 40690 states and 73055 transitions. [2021-01-06 18:48:07,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:48:07,058 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:07,058 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:07,058 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:48:07,059 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:07,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:07,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1713920702, now seen corresponding path program 1 times [2021-01-06 18:48:07,059 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:07,060 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757917221] [2021-01-06 18:48:07,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:07,124 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:48:07,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757917221] [2021-01-06 18:48:07,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:07,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:48:07,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023192733] [2021-01-06 18:48:07,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:48:07,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:07,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:48:07,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:48:07,126 INFO L87 Difference]: Start difference. First operand 40690 states and 73055 transitions. Second operand 4 states. [2021-01-06 18:48:09,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:09,169 INFO L93 Difference]: Finished difference Result 41801 states and 74834 transitions. [2021-01-06 18:48:09,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:48:09,170 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2021-01-06 18:48:09,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:09,219 INFO L225 Difference]: With dead ends: 41801 [2021-01-06 18:48:09,220 INFO L226 Difference]: Without dead ends: 40796 [2021-01-06 18:48:09,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:48:09,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40796 states. [2021-01-06 18:48:10,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40796 to 40469. [2021-01-06 18:48:10,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40469 states. [2021-01-06 18:48:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40469 states to 40469 states and 72685 transitions. [2021-01-06 18:48:10,969 INFO L78 Accepts]: Start accepts. Automaton has 40469 states and 72685 transitions. Word has length 92 [2021-01-06 18:48:10,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:10,969 INFO L481 AbstractCegarLoop]: Abstraction has 40469 states and 72685 transitions. [2021-01-06 18:48:10,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:48:10,970 INFO L276 IsEmpty]: Start isEmpty. Operand 40469 states and 72685 transitions. [2021-01-06 18:48:10,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:48:11,000 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:11,000 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:11,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:48:11,001 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:11,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:11,001 INFO L82 PathProgramCache]: Analyzing trace with hash -233782895, now seen corresponding path program 1 times [2021-01-06 18:48:11,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:11,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788532417] [2021-01-06 18:48:11,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:48:11,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788532417] [2021-01-06 18:48:11,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:11,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:48:11,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66408720] [2021-01-06 18:48:11,131 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:48:11,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:11,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:48:11,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:48:11,132 INFO L87 Difference]: Start difference. First operand 40469 states and 72685 transitions. Second operand 5 states. [2021-01-06 18:48:14,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:14,026 INFO L93 Difference]: Finished difference Result 47437 states and 83635 transitions. [2021-01-06 18:48:14,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:48:14,026 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2021-01-06 18:48:14,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:14,091 INFO L225 Difference]: With dead ends: 47437 [2021-01-06 18:48:14,092 INFO L226 Difference]: Without dead ends: 46342 [2021-01-06 18:48:14,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:48:14,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46342 states. [2021-01-06 18:48:16,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46342 to 41611. [2021-01-06 18:48:16,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41611 states. [2021-01-06 18:48:16,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41611 states to 41611 states and 74487 transitions. [2021-01-06 18:48:16,136 INFO L78 Accepts]: Start accepts. Automaton has 41611 states and 74487 transitions. Word has length 93 [2021-01-06 18:48:16,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:16,136 INFO L481 AbstractCegarLoop]: Abstraction has 41611 states and 74487 transitions. [2021-01-06 18:48:16,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:48:16,136 INFO L276 IsEmpty]: Start isEmpty. Operand 41611 states and 74487 transitions. [2021-01-06 18:48:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-06 18:48:16,174 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:16,174 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:16,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:48:16,175 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:16,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:16,175 INFO L82 PathProgramCache]: Analyzing trace with hash -758730678, now seen corresponding path program 1 times [2021-01-06 18:48:16,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:16,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257169934] [2021-01-06 18:48:16,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:16,318 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:48:16,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257169934] [2021-01-06 18:48:16,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:16,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:48:16,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275482692] [2021-01-06 18:48:16,319 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:48:16,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:16,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:48:16,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:48:16,320 INFO L87 Difference]: Start difference. First operand 41611 states and 74487 transitions. Second operand 11 states. [2021-01-06 18:48:19,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:19,111 INFO L93 Difference]: Finished difference Result 44640 states and 79252 transitions. [2021-01-06 18:48:19,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-06 18:48:19,111 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 94 [2021-01-06 18:48:19,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:19,167 INFO L225 Difference]: With dead ends: 44640 [2021-01-06 18:48:19,168 INFO L226 Difference]: Without dead ends: 42399 [2021-01-06 18:48:19,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2021-01-06 18:48:19,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42399 states. [2021-01-06 18:48:21,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42399 to 41451. [2021-01-06 18:48:21,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41451 states. [2021-01-06 18:48:21,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41451 states to 41451 states and 74191 transitions. [2021-01-06 18:48:21,162 INFO L78 Accepts]: Start accepts. Automaton has 41451 states and 74191 transitions. Word has length 94 [2021-01-06 18:48:21,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:21,162 INFO L481 AbstractCegarLoop]: Abstraction has 41451 states and 74191 transitions. [2021-01-06 18:48:21,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:48:21,162 INFO L276 IsEmpty]: Start isEmpty. Operand 41451 states and 74191 transitions. [2021-01-06 18:48:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:48:21,201 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:21,201 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:21,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:48:21,201 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:21,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:21,202 INFO L82 PathProgramCache]: Analyzing trace with hash -670819567, now seen corresponding path program 1 times [2021-01-06 18:48:21,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:21,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450900221] [2021-01-06 18:48:21,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:21,296 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:48:21,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450900221] [2021-01-06 18:48:21,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:21,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:48:21,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523839555] [2021-01-06 18:48:21,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:48:21,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:21,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:48:21,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:48:21,299 INFO L87 Difference]: Start difference. First operand 41451 states and 74191 transitions. Second operand 5 states. [2021-01-06 18:48:25,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:25,109 INFO L93 Difference]: Finished difference Result 52458 states and 91360 transitions. [2021-01-06 18:48:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:48:25,110 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 106 [2021-01-06 18:48:25,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:25,173 INFO L225 Difference]: With dead ends: 52458 [2021-01-06 18:48:25,173 INFO L226 Difference]: Without dead ends: 50153 [2021-01-06 18:48:25,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:48:25,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50153 states. [2021-01-06 18:48:27,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50153 to 44108. [2021-01-06 18:48:27,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44108 states. [2021-01-06 18:48:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44108 states to 44108 states and 78352 transitions. [2021-01-06 18:48:27,730 INFO L78 Accepts]: Start accepts. Automaton has 44108 states and 78352 transitions. Word has length 106 [2021-01-06 18:48:27,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:27,731 INFO L481 AbstractCegarLoop]: Abstraction has 44108 states and 78352 transitions. [2021-01-06 18:48:27,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:48:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 44108 states and 78352 transitions. [2021-01-06 18:48:27,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:48:27,779 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:27,779 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:27,779 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 18:48:27,779 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:27,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:27,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1497056763, now seen corresponding path program 1 times [2021-01-06 18:48:27,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:27,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575878273] [2021-01-06 18:48:27,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:48:27,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575878273] [2021-01-06 18:48:27,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:27,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:48:27,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491082710] [2021-01-06 18:48:27,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:48:27,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:27,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:48:27,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:48:27,927 INFO L87 Difference]: Start difference. First operand 44108 states and 78352 transitions. Second operand 11 states. [2021-01-06 18:48:31,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:31,223 INFO L93 Difference]: Finished difference Result 49463 states and 86711 transitions. [2021-01-06 18:48:31,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-06 18:48:31,223 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 107 [2021-01-06 18:48:31,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:31,300 INFO L225 Difference]: With dead ends: 49463 [2021-01-06 18:48:31,301 INFO L226 Difference]: Without dead ends: 44848 [2021-01-06 18:48:31,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2021-01-06 18:48:31,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44848 states. [2021-01-06 18:48:33,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44848 to 42795. [2021-01-06 18:48:33,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42795 states. [2021-01-06 18:48:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42795 states to 42795 states and 76223 transitions. [2021-01-06 18:48:33,756 INFO L78 Accepts]: Start accepts. Automaton has 42795 states and 76223 transitions. Word has length 107 [2021-01-06 18:48:33,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:33,757 INFO L481 AbstractCegarLoop]: Abstraction has 42795 states and 76223 transitions. [2021-01-06 18:48:33,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:48:33,757 INFO L276 IsEmpty]: Start isEmpty. Operand 42795 states and 76223 transitions. [2021-01-06 18:48:33,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:48:33,795 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:33,795 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:33,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-01-06 18:48:33,795 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:33,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:33,796 INFO L82 PathProgramCache]: Analyzing trace with hash -1504811654, now seen corresponding path program 1 times [2021-01-06 18:48:33,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:33,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531614606] [2021-01-06 18:48:33,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:33,965 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:48:33,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531614606] [2021-01-06 18:48:33,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:33,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:48:33,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685971139] [2021-01-06 18:48:33,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:48:33,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:33,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:48:33,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:48:33,967 INFO L87 Difference]: Start difference. First operand 42795 states and 76223 transitions. Second operand 11 states. [2021-01-06 18:48:42,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:42,069 INFO L93 Difference]: Finished difference Result 65342 states and 111338 transitions. [2021-01-06 18:48:42,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-01-06 18:48:42,070 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 109 [2021-01-06 18:48:42,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:42,145 INFO L225 Difference]: With dead ends: 65342 [2021-01-06 18:48:42,145 INFO L226 Difference]: Without dead ends: 63121 [2021-01-06 18:48:42,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=575, Invalid=1777, Unknown=0, NotChecked=0, Total=2352 [2021-01-06 18:48:42,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63121 states. [2021-01-06 18:48:44,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63121 to 43240. [2021-01-06 18:48:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43240 states. [2021-01-06 18:48:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43240 states to 43240 states and 76909 transitions. [2021-01-06 18:48:44,979 INFO L78 Accepts]: Start accepts. Automaton has 43240 states and 76909 transitions. Word has length 109 [2021-01-06 18:48:44,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:44,980 INFO L481 AbstractCegarLoop]: Abstraction has 43240 states and 76909 transitions. [2021-01-06 18:48:44,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:48:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 43240 states and 76909 transitions. [2021-01-06 18:48:45,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:48:45,020 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:45,020 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:45,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-01-06 18:48:45,021 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:45,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:45,021 INFO L82 PathProgramCache]: Analyzing trace with hash -408798828, now seen corresponding path program 1 times [2021-01-06 18:48:45,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:45,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814273902] [2021-01-06 18:48:45,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:45,168 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:48:45,168 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814273902] [2021-01-06 18:48:45,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:45,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:48:45,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185667221] [2021-01-06 18:48:45,169 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:48:45,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:45,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:48:45,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:48:45,171 INFO L87 Difference]: Start difference. First operand 43240 states and 76909 transitions. Second operand 8 states. [2021-01-06 18:48:48,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:48,240 INFO L93 Difference]: Finished difference Result 49510 states and 86616 transitions. [2021-01-06 18:48:48,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:48:48,240 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2021-01-06 18:48:48,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:48,298 INFO L225 Difference]: With dead ends: 49510 [2021-01-06 18:48:48,298 INFO L226 Difference]: Without dead ends: 45277 [2021-01-06 18:48:48,311 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2021-01-06 18:48:48,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45277 states. [2021-01-06 18:48:50,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45277 to 42918. [2021-01-06 18:48:50,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42918 states. [2021-01-06 18:48:50,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42918 states to 42918 states and 76396 transitions. [2021-01-06 18:48:50,862 INFO L78 Accepts]: Start accepts. Automaton has 42918 states and 76396 transitions. Word has length 109 [2021-01-06 18:48:50,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:50,863 INFO L481 AbstractCegarLoop]: Abstraction has 42918 states and 76396 transitions. [2021-01-06 18:48:50,863 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:48:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 42918 states and 76396 transitions. [2021-01-06 18:48:50,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:48:50,899 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:50,899 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:50,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-01-06 18:48:50,899 INFO L429 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:50,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:50,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1470534065, now seen corresponding path program 1 times [2021-01-06 18:48:50,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:50,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750040806] [2021-01-06 18:48:50,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:48:51,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750040806] [2021-01-06 18:48:51,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:48:51,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:48:51,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293618655] [2021-01-06 18:48:51,057 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:48:51,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:51,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:48:51,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:48:51,058 INFO L87 Difference]: Start difference. First operand 42918 states and 76396 transitions. Second operand 10 states. [2021-01-06 18:48:56,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:48:56,183 INFO L93 Difference]: Finished difference Result 53437 states and 92836 transitions. [2021-01-06 18:48:56,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-01-06 18:48:56,184 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2021-01-06 18:48:56,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:48:56,246 INFO L225 Difference]: With dead ends: 53437 [2021-01-06 18:48:56,246 INFO L226 Difference]: Without dead ends: 51082 [2021-01-06 18:48:56,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=383, Invalid=949, Unknown=0, NotChecked=0, Total=1332 [2021-01-06 18:48:56,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51082 states. [2021-01-06 18:48:58,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51082 to 43089. [2021-01-06 18:48:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43089 states. [2021-01-06 18:48:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43089 states to 43089 states and 76651 transitions. [2021-01-06 18:48:58,802 INFO L78 Accepts]: Start accepts. Automaton has 43089 states and 76651 transitions. Word has length 110 [2021-01-06 18:48:58,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:48:58,802 INFO L481 AbstractCegarLoop]: Abstraction has 43089 states and 76651 transitions. [2021-01-06 18:48:58,802 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:48:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 43089 states and 76651 transitions. [2021-01-06 18:48:58,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:48:58,843 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:48:58,843 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:48:58,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-01-06 18:48:58,843 INFO L429 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:48:58,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:48:58,844 INFO L82 PathProgramCache]: Analyzing trace with hash 156169917, now seen corresponding path program 1 times [2021-01-06 18:48:58,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:48:58,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19898940] [2021-01-06 18:48:58,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:48:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:48:59,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19898940] [2021-01-06 18:48:59,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145431469] [2021-01-06 18:48:59,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:48:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:48:59,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 1190 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:48:59,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:48:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:48:59,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:48:59,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5] total 15 [2021-01-06 18:48:59,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052962483] [2021-01-06 18:48:59,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-01-06 18:48:59,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:48:59,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-01-06 18:48:59,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2021-01-06 18:48:59,689 INFO L87 Difference]: Start difference. First operand 43089 states and 76651 transitions. Second operand 15 states. [2021-01-06 18:49:05,401 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-01-06 18:49:46,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:46,944 INFO L93 Difference]: Finished difference Result 274296 states and 458868 transitions. [2021-01-06 18:49:46,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2021-01-06 18:49:46,945 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 110 [2021-01-06 18:49:46,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:47,495 INFO L225 Difference]: With dead ends: 274296 [2021-01-06 18:49:47,495 INFO L226 Difference]: Without dead ends: 269902 [2021-01-06 18:49:47,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7087 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2701, Invalid=15121, Unknown=0, NotChecked=0, Total=17822 [2021-01-06 18:49:47,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269902 states.