/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:49:07,708 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:49:07,712 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:49:07,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:49:07,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:49:07,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:49:07,786 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:49:07,792 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:49:07,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:49:07,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:49:07,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:49:07,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:49:07,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:49:07,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:49:07,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:49:07,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:49:07,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:49:07,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:49:07,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:49:07,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:49:07,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:49:07,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:49:07,828 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:49:07,829 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:49:07,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:49:07,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:49:07,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:49:07,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:49:07,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:49:07,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:49:07,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:49:07,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:49:07,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:49:07,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:49:07,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:49:07,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:49:07,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:49:07,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:49:07,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:49:07,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:49:07,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:49:07,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:49:07,890 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:49:07,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:49:07,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:49:07,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:49:07,892 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:49:07,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:49:07,893 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:49:07,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:49:07,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:49:07,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:49:07,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:49:07,894 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:49:07,894 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:49:07,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:49:07,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:49:07,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:49:07,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:49:07,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:49:07,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:49:07,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:49:07,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:49:07,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:49:07,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:49:07,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:49:07,896 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:49:07,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:49:08,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:49:08,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:49:08,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:49:08,308 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:49:08,309 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:49:08,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product28.cil.c [2020-12-23 08:49:08,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd518ccb9/855d0e2bf1d447a2a54e914bb34a5dbc/FLAG8b55fd15c [2020-12-23 08:49:09,187 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:49:09,187 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product28.cil.c [2020-12-23 08:49:09,212 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd518ccb9/855d0e2bf1d447a2a54e914bb34a5dbc/FLAG8b55fd15c [2020-12-23 08:49:09,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cd518ccb9/855d0e2bf1d447a2a54e914bb34a5dbc [2020-12-23 08:49:09,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:49:09,336 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:49:09,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:49:09,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:49:09,342 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:49:09,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:49:09" (1/1) ... [2020-12-23 08:49:09,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59a5341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:09, skipping insertion in model container [2020-12-23 08:49:09,345 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:49:09" (1/1) ... [2020-12-23 08:49:09,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:49:09,437 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] 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~4,] 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~17,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~0,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] 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_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:49:10,100 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product28.cil.c[50767,50780] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~40,] 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[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:49:10,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:49:10,188 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] 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~3,] 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~4,] 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~17,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~0,] 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~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] 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_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:49:10,320 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product28.cil.c[50767,50780] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] 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~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~40,] 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[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2020-12-23 08:49:10,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:49:10,437 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:49:10,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10 WrapperNode [2020-12-23 08:49:10,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:49:10,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:49:10,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:49:10,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:49:10,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... [2020-12-23 08:49:10,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... [2020-12-23 08:49:10,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:49:10,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:49:10,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:49:10,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:49:10,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... [2020-12-23 08:49:10,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... [2020-12-23 08:49:10,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... [2020-12-23 08:49:10,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... [2020-12-23 08:49:10,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... [2020-12-23 08:49:10,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... [2020-12-23 08:49:10,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... [2020-12-23 08:49:10,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:49:10,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:49:10,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:49:10,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:49:10,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:49:10,889 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:49:10,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:49:10,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:49:10,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:49:10,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:49:13,187 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:49:13,188 INFO L299 CfgBuilder]: Removed 291 assume(true) statements. [2020-12-23 08:49:13,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:49:13 BoogieIcfgContainer [2020-12-23 08:49:13,191 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:49:13,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:49:13,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:49:13,197 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:49:13,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:49:09" (1/3) ... [2020-12-23 08:49:13,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f051138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:49:13, skipping insertion in model container [2020-12-23 08:49:13,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:49:10" (2/3) ... [2020-12-23 08:49:13,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f051138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:49:13, skipping insertion in model container [2020-12-23 08:49:13,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:49:13" (3/3) ... [2020-12-23 08:49:13,201 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product28.cil.c [2020-12-23 08:49:13,208 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:49:13,214 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:49:13,232 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:49:13,265 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:49:13,266 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:49:13,266 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:49:13,266 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:49:13,266 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:49:13,266 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:49:13,266 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:49:13,267 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:49:13,296 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states. [2020-12-23 08:49:13,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 08:49:13,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:13,313 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] [2020-12-23 08:49:13,314 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:13,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:13,321 INFO L82 PathProgramCache]: Analyzing trace with hash 701477098, now seen corresponding path program 1 times [2020-12-23 08:49:13,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:13,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995025433] [2020-12-23 08:49:13,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:13,891 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995025433] [2020-12-23 08:49:13,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:13,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:13,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574640275] [2020-12-23 08:49:13,900 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:13,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:13,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:13,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:13,920 INFO L87 Difference]: Start difference. First operand 475 states. Second operand 3 states. [2020-12-23 08:49:14,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:14,087 INFO L93 Difference]: Finished difference Result 1390 states and 2441 transitions. [2020-12-23 08:49:14,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:14,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-23 08:49:14,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:14,119 INFO L225 Difference]: With dead ends: 1390 [2020-12-23 08:49:14,119 INFO L226 Difference]: Without dead ends: 792 [2020-12-23 08:49:14,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:14,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-12-23 08:49:14,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 405. [2020-12-23 08:49:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 08:49:14,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 707 transitions. [2020-12-23 08:49:14,238 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 707 transitions. Word has length 45 [2020-12-23 08:49:14,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:14,239 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 707 transitions. [2020-12-23 08:49:14,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:14,240 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 707 transitions. [2020-12-23 08:49:14,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:49:14,252 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:14,253 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:14,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:49:14,253 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:14,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:14,256 INFO L82 PathProgramCache]: Analyzing trace with hash 482864824, now seen corresponding path program 1 times [2020-12-23 08:49:14,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:14,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379564087] [2020-12-23 08:49:14,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:14,490 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379564087] [2020-12-23 08:49:14,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:14,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:14,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377301442] [2020-12-23 08:49:14,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:14,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:14,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:14,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:14,494 INFO L87 Difference]: Start difference. First operand 405 states and 707 transitions. Second operand 5 states. [2020-12-23 08:49:14,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:14,748 INFO L93 Difference]: Finished difference Result 1164 states and 2037 transitions. [2020-12-23 08:49:14,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:49:14,748 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2020-12-23 08:49:14,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:14,757 INFO L225 Difference]: With dead ends: 1164 [2020-12-23 08:49:14,758 INFO L226 Difference]: Without dead ends: 778 [2020-12-23 08:49:14,760 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:49:14,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-12-23 08:49:14,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 405. [2020-12-23 08:49:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 08:49:14,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 706 transitions. [2020-12-23 08:49:14,809 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 706 transitions. Word has length 47 [2020-12-23 08:49:14,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:14,810 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 706 transitions. [2020-12-23 08:49:14,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 706 transitions. [2020-12-23 08:49:14,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:49:14,814 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:14,814 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] [2020-12-23 08:49:14,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:49:14,816 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:14,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:14,818 INFO L82 PathProgramCache]: Analyzing trace with hash -429235253, now seen corresponding path program 1 times [2020-12-23 08:49:14,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:14,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824986171] [2020-12-23 08:49:14,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:14,982 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824986171] [2020-12-23 08:49:14,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:14,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:14,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31343585] [2020-12-23 08:49:14,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:14,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:14,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:14,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:14,985 INFO L87 Difference]: Start difference. First operand 405 states and 706 transitions. Second operand 3 states. [2020-12-23 08:49:15,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:15,048 INFO L93 Difference]: Finished difference Result 792 states and 1386 transitions. [2020-12-23 08:49:15,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:15,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:49:15,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:15,052 INFO L225 Difference]: With dead ends: 792 [2020-12-23 08:49:15,052 INFO L226 Difference]: Without dead ends: 410 [2020-12-23 08:49:15,054 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:15,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-12-23 08:49:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 405. [2020-12-23 08:49:15,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 08:49:15,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 705 transitions. [2020-12-23 08:49:15,072 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 705 transitions. Word has length 48 [2020-12-23 08:49:15,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:15,072 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 705 transitions. [2020-12-23 08:49:15,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:15,073 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 705 transitions. [2020-12-23 08:49:15,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:49:15,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:15,075 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:15,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:49:15,075 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:15,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:15,076 INFO L82 PathProgramCache]: Analyzing trace with hash 2059263557, now seen corresponding path program 1 times [2020-12-23 08:49:15,076 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:15,076 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698269375] [2020-12-23 08:49:15,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:15,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698269375] [2020-12-23 08:49:15,174 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:15,174 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:15,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751048788] [2020-12-23 08:49:15,175 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:15,175 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:15,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:15,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:15,178 INFO L87 Difference]: Start difference. First operand 405 states and 705 transitions. Second operand 3 states. [2020-12-23 08:49:15,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:15,215 INFO L93 Difference]: Finished difference Result 802 states and 1399 transitions. [2020-12-23 08:49:15,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:15,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2020-12-23 08:49:15,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:15,221 INFO L225 Difference]: With dead ends: 802 [2020-12-23 08:49:15,222 INFO L226 Difference]: Without dead ends: 405 [2020-12-23 08:49:15,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:15,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-12-23 08:49:15,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2020-12-23 08:49:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 08:49:15,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 703 transitions. [2020-12-23 08:49:15,243 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 703 transitions. Word has length 49 [2020-12-23 08:49:15,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:15,243 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 703 transitions. [2020-12-23 08:49:15,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 703 transitions. [2020-12-23 08:49:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:49:15,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:15,245 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:15,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:49:15,246 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:15,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:15,248 INFO L82 PathProgramCache]: Analyzing trace with hash -435134704, now seen corresponding path program 1 times [2020-12-23 08:49:15,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:15,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214126358] [2020-12-23 08:49:15,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:15,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:15,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214126358] [2020-12-23 08:49:15,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:15,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:15,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830707355] [2020-12-23 08:49:15,352 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:15,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:15,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:15,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:15,355 INFO L87 Difference]: Start difference. First operand 405 states and 703 transitions. Second operand 5 states. [2020-12-23 08:49:15,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:15,556 INFO L93 Difference]: Finished difference Result 1154 states and 2017 transitions. [2020-12-23 08:49:15,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:49:15,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 08:49:15,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:15,564 INFO L225 Difference]: With dead ends: 1154 [2020-12-23 08:49:15,564 INFO L226 Difference]: Without dead ends: 776 [2020-12-23 08:49:15,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:49:15,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-12-23 08:49:15,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 405. [2020-12-23 08:49:15,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 08:49:15,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 702 transitions. [2020-12-23 08:49:15,590 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 702 transitions. Word has length 50 [2020-12-23 08:49:15,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:15,590 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 702 transitions. [2020-12-23 08:49:15,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:15,591 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 702 transitions. [2020-12-23 08:49:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:49:15,593 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:15,594 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:15,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:49:15,594 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:15,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:15,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1868169229, now seen corresponding path program 1 times [2020-12-23 08:49:15,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:15,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468512881] [2020-12-23 08:49:15,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:15,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:15,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468512881] [2020-12-23 08:49:15,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:15,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:15,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640907698] [2020-12-23 08:49:15,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:15,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:15,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:15,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:15,741 INFO L87 Difference]: Start difference. First operand 405 states and 702 transitions. Second operand 5 states. [2020-12-23 08:49:15,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:15,912 INFO L93 Difference]: Finished difference Result 1159 states and 2022 transitions. [2020-12-23 08:49:15,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:49:15,913 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-23 08:49:15,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:15,918 INFO L225 Difference]: With dead ends: 1159 [2020-12-23 08:49:15,918 INFO L226 Difference]: Without dead ends: 781 [2020-12-23 08:49:15,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:49:15,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-12-23 08:49:15,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 405. [2020-12-23 08:49:15,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 08:49:15,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 701 transitions. [2020-12-23 08:49:15,950 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 701 transitions. Word has length 51 [2020-12-23 08:49:15,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:15,951 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 701 transitions. [2020-12-23 08:49:15,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 701 transitions. [2020-12-23 08:49:15,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 08:49:15,952 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:15,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:15,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:49:15,953 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:15,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:15,954 INFO L82 PathProgramCache]: Analyzing trace with hash 2010146805, now seen corresponding path program 1 times [2020-12-23 08:49:15,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:15,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065189283] [2020-12-23 08:49:15,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:16,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065189283] [2020-12-23 08:49:16,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:16,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:16,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285990321] [2020-12-23 08:49:16,022 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:16,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:16,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:16,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:16,024 INFO L87 Difference]: Start difference. First operand 405 states and 701 transitions. Second operand 3 states. [2020-12-23 08:49:16,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:16,056 INFO L93 Difference]: Finished difference Result 576 states and 985 transitions. [2020-12-23 08:49:16,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:16,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-12-23 08:49:16,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:16,059 INFO L225 Difference]: With dead ends: 576 [2020-12-23 08:49:16,060 INFO L226 Difference]: Without dead ends: 408 [2020-12-23 08:49:16,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:16,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-12-23 08:49:16,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 407. [2020-12-23 08:49:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-12-23 08:49:16,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 703 transitions. [2020-12-23 08:49:16,090 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 703 transitions. Word has length 52 [2020-12-23 08:49:16,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:16,090 INFO L481 AbstractCegarLoop]: Abstraction has 407 states and 703 transitions. [2020-12-23 08:49:16,090 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:16,090 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 703 transitions. [2020-12-23 08:49:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:49:16,092 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:16,092 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] [2020-12-23 08:49:16,092 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:49:16,092 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:16,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:16,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1917647433, now seen corresponding path program 1 times [2020-12-23 08:49:16,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:16,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861594800] [2020-12-23 08:49:16,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:16,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:16,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861594800] [2020-12-23 08:49:16,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:16,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:16,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512362697] [2020-12-23 08:49:16,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:16,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:16,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:16,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:16,158 INFO L87 Difference]: Start difference. First operand 407 states and 703 transitions. Second operand 3 states. [2020-12-23 08:49:16,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:16,206 INFO L93 Difference]: Finished difference Result 1107 states and 1933 transitions. [2020-12-23 08:49:16,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:16,207 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:49:16,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:16,212 INFO L225 Difference]: With dead ends: 1107 [2020-12-23 08:49:16,212 INFO L226 Difference]: Without dead ends: 731 [2020-12-23 08:49:16,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:16,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-12-23 08:49:16,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 563. [2020-12-23 08:49:16,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2020-12-23 08:49:16,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 989 transitions. [2020-12-23 08:49:16,251 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 989 transitions. Word has length 58 [2020-12-23 08:49:16,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:16,252 INFO L481 AbstractCegarLoop]: Abstraction has 563 states and 989 transitions. [2020-12-23 08:49:16,252 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:16,252 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 989 transitions. [2020-12-23 08:49:16,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:49:16,253 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:16,253 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:16,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:49:16,254 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:16,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:16,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1891023480, now seen corresponding path program 1 times [2020-12-23 08:49:16,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:16,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396082066] [2020-12-23 08:49:16,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:16,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:16,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396082066] [2020-12-23 08:49:16,328 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745073037] [2020-12-23 08:49:16,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:49:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:16,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:49:16,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:49:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:49:16,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-23 08:49:16,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2020-12-23 08:49:16,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045793104] [2020-12-23 08:49:16,744 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:16,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:16,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:16,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:16,746 INFO L87 Difference]: Start difference. First operand 563 states and 989 transitions. Second operand 3 states. [2020-12-23 08:49:16,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:16,785 INFO L93 Difference]: Finished difference Result 675 states and 1175 transitions. [2020-12-23 08:49:16,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:16,785 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-23 08:49:16,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:16,789 INFO L225 Difference]: With dead ends: 675 [2020-12-23 08:49:16,789 INFO L226 Difference]: Without dead ends: 557 [2020-12-23 08:49:16,790 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:16,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2020-12-23 08:49:16,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2020-12-23 08:49:16,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2020-12-23 08:49:16,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 980 transitions. [2020-12-23 08:49:16,827 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 980 transitions. Word has length 59 [2020-12-23 08:49:16,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:16,827 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 980 transitions. [2020-12-23 08:49:16,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:16,827 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 980 transitions. [2020-12-23 08:49:16,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-12-23 08:49:16,829 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:16,829 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:17,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 08:49:17,045 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:17,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:17,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1460815423, now seen corresponding path program 1 times [2020-12-23 08:49:17,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:17,047 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313342671] [2020-12-23 08:49:17,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:17,130 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:17,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313342671] [2020-12-23 08:49:17,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663732100] [2020-12-23 08:49:17,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:49:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:17,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:49:17,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:49:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:17,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:49:17,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:49:17,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264796551] [2020-12-23 08:49:17,904 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:17,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:17,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:17,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:17,906 INFO L87 Difference]: Start difference. First operand 557 states and 980 transitions. Second operand 5 states. [2020-12-23 08:49:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:18,020 INFO L93 Difference]: Finished difference Result 1093 states and 1909 transitions. [2020-12-23 08:49:18,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:49:18,021 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2020-12-23 08:49:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:18,027 INFO L225 Difference]: With dead ends: 1093 [2020-12-23 08:49:18,027 INFO L226 Difference]: Without dead ends: 931 [2020-12-23 08:49:18,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:18,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2020-12-23 08:49:18,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 767. [2020-12-23 08:49:18,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2020-12-23 08:49:18,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1363 transitions. [2020-12-23 08:49:18,101 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1363 transitions. Word has length 95 [2020-12-23 08:49:18,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:18,101 INFO L481 AbstractCegarLoop]: Abstraction has 767 states and 1363 transitions. [2020-12-23 08:49:18,101 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:18,101 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1363 transitions. [2020-12-23 08:49:18,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-23 08:49:18,112 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:18,112 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:18,322 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-23 08:49:18,323 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:18,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:18,324 INFO L82 PathProgramCache]: Analyzing trace with hash 879002350, now seen corresponding path program 1 times [2020-12-23 08:49:18,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:18,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015931987] [2020-12-23 08:49:18,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:18,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:18,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015931987] [2020-12-23 08:49:18,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:18,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:18,435 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588191448] [2020-12-23 08:49:18,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:18,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:18,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:18,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:18,436 INFO L87 Difference]: Start difference. First operand 767 states and 1363 transitions. Second operand 3 states. [2020-12-23 08:49:18,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:18,575 INFO L93 Difference]: Finished difference Result 1971 states and 3520 transitions. [2020-12-23 08:49:18,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:18,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2020-12-23 08:49:18,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:18,584 INFO L225 Difference]: With dead ends: 1971 [2020-12-23 08:49:18,585 INFO L226 Difference]: Without dead ends: 1293 [2020-12-23 08:49:18,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:18,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2020-12-23 08:49:18,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1131. [2020-12-23 08:49:18,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1131 states. [2020-12-23 08:49:18,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 2027 transitions. [2020-12-23 08:49:18,665 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 2027 transitions. Word has length 101 [2020-12-23 08:49:18,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:18,667 INFO L481 AbstractCegarLoop]: Abstraction has 1131 states and 2027 transitions. [2020-12-23 08:49:18,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:18,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 2027 transitions. [2020-12-23 08:49:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:49:18,670 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:18,670 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:18,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 08:49:18,671 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:18,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:18,675 INFO L82 PathProgramCache]: Analyzing trace with hash -721284258, now seen corresponding path program 2 times [2020-12-23 08:49:18,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:18,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248628313] [2020-12-23 08:49:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:18,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:18,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248628313] [2020-12-23 08:49:18,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:18,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:18,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445312851] [2020-12-23 08:49:18,768 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:18,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:18,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:18,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:18,769 INFO L87 Difference]: Start difference. First operand 1131 states and 2027 transitions. Second operand 3 states. [2020-12-23 08:49:18,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:18,860 INFO L93 Difference]: Finished difference Result 2181 states and 3901 transitions. [2020-12-23 08:49:18,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:18,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-23 08:49:18,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:18,868 INFO L225 Difference]: With dead ends: 2181 [2020-12-23 08:49:18,868 INFO L226 Difference]: Without dead ends: 1293 [2020-12-23 08:49:18,873 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:18,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2020-12-23 08:49:18,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1131. [2020-12-23 08:49:18,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1131 states. [2020-12-23 08:49:18,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 2025 transitions. [2020-12-23 08:49:18,956 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 2025 transitions. Word has length 102 [2020-12-23 08:49:18,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:18,957 INFO L481 AbstractCegarLoop]: Abstraction has 1131 states and 2025 transitions. [2020-12-23 08:49:18,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:18,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 2025 transitions. [2020-12-23 08:49:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-23 08:49:18,960 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:18,960 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:18,961 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:49:18,962 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:18,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:18,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1673021439, now seen corresponding path program 1 times [2020-12-23 08:49:18,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:18,968 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768080016] [2020-12-23 08:49:18,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:19,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768080016] [2020-12-23 08:49:19,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:19,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:19,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884653154] [2020-12-23 08:49:19,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:19,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:19,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:19,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:19,074 INFO L87 Difference]: Start difference. First operand 1131 states and 2025 transitions. Second operand 3 states. [2020-12-23 08:49:19,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:19,277 INFO L93 Difference]: Finished difference Result 3035 states and 5461 transitions. [2020-12-23 08:49:19,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:19,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2020-12-23 08:49:19,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:19,298 INFO L225 Difference]: With dead ends: 3035 [2020-12-23 08:49:19,299 INFO L226 Difference]: Without dead ends: 2001 [2020-12-23 08:49:19,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:19,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2020-12-23 08:49:19,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1839. [2020-12-23 08:49:19,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1839 states. [2020-12-23 08:49:19,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 3316 transitions. [2020-12-23 08:49:19,500 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 3316 transitions. Word has length 102 [2020-12-23 08:49:19,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:19,500 INFO L481 AbstractCegarLoop]: Abstraction has 1839 states and 3316 transitions. [2020-12-23 08:49:19,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 3316 transitions. [2020-12-23 08:49:19,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-12-23 08:49:19,507 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:19,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:19,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:49:19,509 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:19,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:19,509 INFO L82 PathProgramCache]: Analyzing trace with hash 1036268908, now seen corresponding path program 1 times [2020-12-23 08:49:19,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:19,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866349590] [2020-12-23 08:49:19,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:19,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866349590] [2020-12-23 08:49:19,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:19,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:19,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701790300] [2020-12-23 08:49:19,623 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:19,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:19,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:19,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:19,625 INFO L87 Difference]: Start difference. First operand 1839 states and 3316 transitions. Second operand 3 states. [2020-12-23 08:49:19,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:19,840 INFO L93 Difference]: Finished difference Result 4895 states and 8853 transitions. [2020-12-23 08:49:19,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:19,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2020-12-23 08:49:19,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:19,864 INFO L225 Difference]: With dead ends: 4895 [2020-12-23 08:49:19,864 INFO L226 Difference]: Without dead ends: 3187 [2020-12-23 08:49:19,869 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:19,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states. [2020-12-23 08:49:20,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 3025. [2020-12-23 08:49:20,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3025 states. [2020-12-23 08:49:20,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 5473 transitions. [2020-12-23 08:49:20,122 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 5473 transitions. Word has length 103 [2020-12-23 08:49:20,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:20,122 INFO L481 AbstractCegarLoop]: Abstraction has 3025 states and 5473 transitions. [2020-12-23 08:49:20,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:20,122 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 5473 transitions. [2020-12-23 08:49:20,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-23 08:49:20,132 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:20,133 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:20,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:49:20,133 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:20,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:20,134 INFO L82 PathProgramCache]: Analyzing trace with hash -290992626, now seen corresponding path program 1 times [2020-12-23 08:49:20,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:20,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240504140] [2020-12-23 08:49:20,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:20,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:20,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240504140] [2020-12-23 08:49:20,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:20,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:20,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009856992] [2020-12-23 08:49:20,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:20,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:20,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:20,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:20,219 INFO L87 Difference]: Start difference. First operand 3025 states and 5473 transitions. Second operand 3 states. [2020-12-23 08:49:20,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:20,531 INFO L93 Difference]: Finished difference Result 8169 states and 14807 transitions. [2020-12-23 08:49:20,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:20,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2020-12-23 08:49:20,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:20,564 INFO L225 Difference]: With dead ends: 8169 [2020-12-23 08:49:20,565 INFO L226 Difference]: Without dead ends: 5309 [2020-12-23 08:49:20,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:20,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2020-12-23 08:49:20,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5147. [2020-12-23 08:49:20,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5147 states. [2020-12-23 08:49:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 5147 states and 9322 transitions. [2020-12-23 08:49:20,972 INFO L78 Accepts]: Start accepts. Automaton has 5147 states and 9322 transitions. Word has length 104 [2020-12-23 08:49:20,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:20,972 INFO L481 AbstractCegarLoop]: Abstraction has 5147 states and 9322 transitions. [2020-12-23 08:49:20,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:20,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 9322 transitions. [2020-12-23 08:49:20,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 08:49:20,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:20,986 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] [2020-12-23 08:49:20,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:49:20,987 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:20,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:20,988 INFO L82 PathProgramCache]: Analyzing trace with hash 2135194250, now seen corresponding path program 1 times [2020-12-23 08:49:20,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:20,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68629709] [2020-12-23 08:49:20,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:21,098 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:49:21,099 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68629709] [2020-12-23 08:49:21,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:21,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:49:21,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174055972] [2020-12-23 08:49:21,100 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:21,100 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:21,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:21,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:21,101 INFO L87 Difference]: Start difference. First operand 5147 states and 9322 transitions. Second operand 5 states. [2020-12-23 08:49:21,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:21,992 INFO L93 Difference]: Finished difference Result 14668 states and 26597 transitions. [2020-12-23 08:49:21,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:49:21,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2020-12-23 08:49:21,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:22,055 INFO L225 Difference]: With dead ends: 14668 [2020-12-23 08:49:22,055 INFO L226 Difference]: Without dead ends: 9764 [2020-12-23 08:49:22,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:49:22,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9764 states. [2020-12-23 08:49:22,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9764 to 5147. [2020-12-23 08:49:22,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5147 states. [2020-12-23 08:49:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 5147 states and 9272 transitions. [2020-12-23 08:49:22,559 INFO L78 Accepts]: Start accepts. Automaton has 5147 states and 9272 transitions. Word has length 105 [2020-12-23 08:49:22,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:22,559 INFO L481 AbstractCegarLoop]: Abstraction has 5147 states and 9272 transitions. [2020-12-23 08:49:22,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:22,559 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 9272 transitions. [2020-12-23 08:49:22,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 08:49:22,574 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:22,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:22,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:49:22,574 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:22,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:22,575 INFO L82 PathProgramCache]: Analyzing trace with hash -645701285, now seen corresponding path program 1 times [2020-12-23 08:49:22,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:22,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128232597] [2020-12-23 08:49:22,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:22,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128232597] [2020-12-23 08:49:22,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:22,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:22,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128110078] [2020-12-23 08:49:22,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:22,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:22,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:22,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:22,659 INFO L87 Difference]: Start difference. First operand 5147 states and 9272 transitions. Second operand 3 states. [2020-12-23 08:49:23,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:23,213 INFO L93 Difference]: Finished difference Result 14993 states and 27049 transitions. [2020-12-23 08:49:23,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:23,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2020-12-23 08:49:23,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:23,246 INFO L225 Difference]: With dead ends: 14993 [2020-12-23 08:49:23,246 INFO L226 Difference]: Without dead ends: 10015 [2020-12-23 08:49:23,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:23,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10015 states. [2020-12-23 08:49:23,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10015 to 9853. [2020-12-23 08:49:23,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9853 states. [2020-12-23 08:49:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9853 states to 9853 states and 17753 transitions. [2020-12-23 08:49:23,968 INFO L78 Accepts]: Start accepts. Automaton has 9853 states and 17753 transitions. Word has length 105 [2020-12-23 08:49:23,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:23,969 INFO L481 AbstractCegarLoop]: Abstraction has 9853 states and 17753 transitions. [2020-12-23 08:49:23,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:23,969 INFO L276 IsEmpty]: Start isEmpty. Operand 9853 states and 17753 transitions. [2020-12-23 08:49:23,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2020-12-23 08:49:23,994 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:23,995 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] [2020-12-23 08:49:23,995 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:49:23,995 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:23,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:23,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1119948527, now seen corresponding path program 1 times [2020-12-23 08:49:23,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:23,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20168086] [2020-12-23 08:49:23,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:24,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20168086] [2020-12-23 08:49:24,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:24,257 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:49:24,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187619186] [2020-12-23 08:49:24,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:24,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:24,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:24,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:24,261 INFO L87 Difference]: Start difference. First operand 9853 states and 17753 transitions. Second operand 9 states. [2020-12-23 08:49:26,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:26,280 INFO L93 Difference]: Finished difference Result 20079 states and 36119 transitions. [2020-12-23 08:49:26,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-23 08:49:26,281 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2020-12-23 08:49:26,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:26,345 INFO L225 Difference]: With dead ends: 20079 [2020-12-23 08:49:26,345 INFO L226 Difference]: Without dead ends: 19948 [2020-12-23 08:49:26,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2020-12-23 08:49:26,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19948 states. [2020-12-23 08:49:27,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19948 to 19511. [2020-12-23 08:49:27,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19511 states. [2020-12-23 08:49:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19511 states to 19511 states and 35179 transitions. [2020-12-23 08:49:27,392 INFO L78 Accepts]: Start accepts. Automaton has 19511 states and 35179 transitions. Word has length 106 [2020-12-23 08:49:27,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:27,393 INFO L481 AbstractCegarLoop]: Abstraction has 19511 states and 35179 transitions. [2020-12-23 08:49:27,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:27,393 INFO L276 IsEmpty]: Start isEmpty. Operand 19511 states and 35179 transitions. [2020-12-23 08:49:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-12-23 08:49:27,440 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:27,440 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] [2020-12-23 08:49:27,440 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:49:27,441 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:27,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:27,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1768244786, now seen corresponding path program 1 times [2020-12-23 08:49:27,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:27,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414864596] [2020-12-23 08:49:27,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:27,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414864596] [2020-12-23 08:49:27,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:27,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:49:27,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749155576] [2020-12-23 08:49:27,526 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:49:27,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:27,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:49:27,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:49:27,527 INFO L87 Difference]: Start difference. First operand 19511 states and 35179 transitions. Second operand 4 states. [2020-12-23 08:49:28,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:28,460 INFO L93 Difference]: Finished difference Result 19667 states and 35440 transitions. [2020-12-23 08:49:28,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:49:28,461 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2020-12-23 08:49:28,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:28,526 INFO L225 Difference]: With dead ends: 19667 [2020-12-23 08:49:28,527 INFO L226 Difference]: Without dead ends: 19510 [2020-12-23 08:49:28,538 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 [2020-12-23 08:49:28,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19510 states. [2020-12-23 08:49:29,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19510 to 19510. [2020-12-23 08:49:29,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19510 states. [2020-12-23 08:49:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19510 states to 19510 states and 35175 transitions. [2020-12-23 08:49:29,631 INFO L78 Accepts]: Start accepts. Automaton has 19510 states and 35175 transitions. Word has length 107 [2020-12-23 08:49:29,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:29,631 INFO L481 AbstractCegarLoop]: Abstraction has 19510 states and 35175 transitions. [2020-12-23 08:49:29,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:49:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 19510 states and 35175 transitions. [2020-12-23 08:49:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-23 08:49:29,702 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:29,702 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] [2020-12-23 08:49:29,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:49:29,703 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:29,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:29,703 INFO L82 PathProgramCache]: Analyzing trace with hash 295400173, now seen corresponding path program 1 times [2020-12-23 08:49:29,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:29,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465587686] [2020-12-23 08:49:29,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:29,854 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:29,854 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465587686] [2020-12-23 08:49:29,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:29,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 08:49:29,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926424966] [2020-12-23 08:49:29,855 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:29,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:29,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:29,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:29,858 INFO L87 Difference]: Start difference. First operand 19510 states and 35175 transitions. Second operand 9 states. [2020-12-23 08:49:32,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:32,260 INFO L93 Difference]: Finished difference Result 39779 states and 71576 transitions. [2020-12-23 08:49:32,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-23 08:49:32,260 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-12-23 08:49:32,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:32,378 INFO L225 Difference]: With dead ends: 39779 [2020-12-23 08:49:32,378 INFO L226 Difference]: Without dead ends: 39547 [2020-12-23 08:49:32,391 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-12-23 08:49:32,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39547 states. [2020-12-23 08:49:34,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39547 to 38745. [2020-12-23 08:49:34,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38745 states. [2020-12-23 08:49:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38745 states to 38745 states and 69883 transitions. [2020-12-23 08:49:34,387 INFO L78 Accepts]: Start accepts. Automaton has 38745 states and 69883 transitions. Word has length 108 [2020-12-23 08:49:34,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:34,387 INFO L481 AbstractCegarLoop]: Abstraction has 38745 states and 69883 transitions. [2020-12-23 08:49:34,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:34,388 INFO L276 IsEmpty]: Start isEmpty. Operand 38745 states and 69883 transitions. [2020-12-23 08:49:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-23 08:49:34,448 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:34,448 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] [2020-12-23 08:49:34,448 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:49:34,448 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:34,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:34,449 INFO L82 PathProgramCache]: Analyzing trace with hash -772486099, now seen corresponding path program 1 times [2020-12-23 08:49:34,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:34,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351578289] [2020-12-23 08:49:34,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:34,783 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:34,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351578289] [2020-12-23 08:49:34,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:34,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:49:34,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933829000] [2020-12-23 08:49:34,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:34,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:34,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:34,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:34,786 INFO L87 Difference]: Start difference. First operand 38745 states and 69883 transitions. Second operand 9 states. [2020-12-23 08:49:36,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:36,637 INFO L93 Difference]: Finished difference Result 40218 states and 72330 transitions. [2020-12-23 08:49:36,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:49:36,638 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2020-12-23 08:49:36,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:36,729 INFO L225 Difference]: With dead ends: 40218 [2020-12-23 08:49:36,729 INFO L226 Difference]: Without dead ends: 39887 [2020-12-23 08:49:36,741 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-12-23 08:49:36,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39887 states. [2020-12-23 08:49:38,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39887 to 38753. [2020-12-23 08:49:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38753 states. [2020-12-23 08:49:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38753 states to 38753 states and 69891 transitions. [2020-12-23 08:49:38,465 INFO L78 Accepts]: Start accepts. Automaton has 38753 states and 69891 transitions. Word has length 108 [2020-12-23 08:49:38,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:38,465 INFO L481 AbstractCegarLoop]: Abstraction has 38753 states and 69891 transitions. [2020-12-23 08:49:38,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 38753 states and 69891 transitions. [2020-12-23 08:49:38,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 08:49:38,518 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:38,518 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:38,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:49:38,518 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:38,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:38,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1306188986, now seen corresponding path program 1 times [2020-12-23 08:49:38,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:38,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224836792] [2020-12-23 08:49:38,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:38,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:49:38,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224836792] [2020-12-23 08:49:38,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:38,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:49:38,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452198966] [2020-12-23 08:49:38,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:49:38,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:38,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:49:38,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:49:38,621 INFO L87 Difference]: Start difference. First operand 38753 states and 69891 transitions. Second operand 5 states. [2020-12-23 08:49:40,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:40,390 INFO L93 Difference]: Finished difference Result 40587 states and 72885 transitions. [2020-12-23 08:49:40,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:49:40,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2020-12-23 08:49:40,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:40,468 INFO L225 Difference]: With dead ends: 40587 [2020-12-23 08:49:40,469 INFO L226 Difference]: Without dead ends: 40352 [2020-12-23 08:49:40,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:40,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40352 states. [2020-12-23 08:49:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40352 to 38925. [2020-12-23 08:49:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38925 states. [2020-12-23 08:49:42,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38925 states to 38925 states and 70167 transitions. [2020-12-23 08:49:42,329 INFO L78 Accepts]: Start accepts. Automaton has 38925 states and 70167 transitions. Word has length 109 [2020-12-23 08:49:42,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:42,329 INFO L481 AbstractCegarLoop]: Abstraction has 38925 states and 70167 transitions. [2020-12-23 08:49:42,329 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:49:42,329 INFO L276 IsEmpty]: Start isEmpty. Operand 38925 states and 70167 transitions. [2020-12-23 08:49:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 08:49:42,382 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:42,382 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] [2020-12-23 08:49:42,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:49:42,383 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:42,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:42,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1134415415, now seen corresponding path program 1 times [2020-12-23 08:49:42,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:42,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894134754] [2020-12-23 08:49:42,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:42,485 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:49:42,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894134754] [2020-12-23 08:49:42,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237438237] [2020-12-23 08:49:42,486 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:49:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:42,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:49:42,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:49:43,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:43,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:49:43,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2020-12-23 08:49:43,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790614511] [2020-12-23 08:49:43,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:49:43,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:43,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:49:43,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:49:43,034 INFO L87 Difference]: Start difference. First operand 38925 states and 70167 transitions. Second operand 9 states. [2020-12-23 08:49:46,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:46,204 INFO L93 Difference]: Finished difference Result 46330 states and 82792 transitions. [2020-12-23 08:49:46,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 08:49:46,204 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2020-12-23 08:49:46,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:46,281 INFO L225 Difference]: With dead ends: 46330 [2020-12-23 08:49:46,281 INFO L226 Difference]: Without dead ends: 45584 [2020-12-23 08:49:46,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=634, Unknown=0, NotChecked=0, Total=812 [2020-12-23 08:49:46,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45584 states. [2020-12-23 08:49:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45584 to 42514. [2020-12-23 08:49:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42514 states. [2020-12-23 08:49:48,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42514 states to 42514 states and 76549 transitions. [2020-12-23 08:49:48,182 INFO L78 Accepts]: Start accepts. Automaton has 42514 states and 76549 transitions. Word has length 110 [2020-12-23 08:49:48,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:48,182 INFO L481 AbstractCegarLoop]: Abstraction has 42514 states and 76549 transitions. [2020-12-23 08:49:48,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:49:48,182 INFO L276 IsEmpty]: Start isEmpty. Operand 42514 states and 76549 transitions. [2020-12-23 08:49:48,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 08:49:48,227 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:48,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:48,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2020-12-23 08:49:48,428 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:48,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:48,429 INFO L82 PathProgramCache]: Analyzing trace with hash -720184898, now seen corresponding path program 1 times [2020-12-23 08:49:48,430 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:48,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025472303] [2020-12-23 08:49:48,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:48,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:48,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025472303] [2020-12-23 08:49:48,507 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:48,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:48,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313117268] [2020-12-23 08:49:48,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:48,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:48,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:48,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:48,508 INFO L87 Difference]: Start difference. First operand 42514 states and 76549 transitions. Second operand 3 states. [2020-12-23 08:49:51,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:49:51,694 INFO L93 Difference]: Finished difference Result 120575 states and 217565 transitions. [2020-12-23 08:49:51,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:49:51,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2020-12-23 08:49:51,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:49:51,853 INFO L225 Difference]: With dead ends: 120575 [2020-12-23 08:49:51,853 INFO L226 Difference]: Without dead ends: 80133 [2020-12-23 08:49:51,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:52,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80133 states. [2020-12-23 08:49:55,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80133 to 79379. [2020-12-23 08:49:55,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79379 states. [2020-12-23 08:49:55,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79379 states to 79379 states and 143127 transitions. [2020-12-23 08:49:55,730 INFO L78 Accepts]: Start accepts. Automaton has 79379 states and 143127 transitions. Word has length 110 [2020-12-23 08:49:55,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:49:55,731 INFO L481 AbstractCegarLoop]: Abstraction has 79379 states and 143127 transitions. [2020-12-23 08:49:55,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:49:55,731 INFO L276 IsEmpty]: Start isEmpty. Operand 79379 states and 143127 transitions. [2020-12-23 08:49:55,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-12-23 08:49:55,809 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:49:55,810 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:49:55,810 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:49:55,810 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:49:55,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:49:55,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1927657432, now seen corresponding path program 1 times [2020-12-23 08:49:55,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:49:55,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695487969] [2020-12-23 08:49:55,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:49:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:49:55,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:49:55,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695487969] [2020-12-23 08:49:55,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:49:55,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:49:55,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5100428] [2020-12-23 08:49:55,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:49:55,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:49:55,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:49:55,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:49:55,886 INFO L87 Difference]: Start difference. First operand 79379 states and 143127 transitions. Second operand 3 states. [2020-12-23 08:50:02,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:02,026 INFO L93 Difference]: Finished difference Result 231268 states and 417174 transitions. [2020-12-23 08:50:02,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:02,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2020-12-23 08:50:02,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:02,549 INFO L225 Difference]: With dead ends: 231268 [2020-12-23 08:50:02,550 INFO L226 Difference]: Without dead ends: 154252 [2020-12-23 08:50:02,635 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:02,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154252 states. [2020-12-23 08:50:09,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154252 to 153498. [2020-12-23 08:50:09,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153498 states. [2020-12-23 08:50:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153498 states to 153498 states and 276399 transitions. [2020-12-23 08:50:09,687 INFO L78 Accepts]: Start accepts. Automaton has 153498 states and 276399 transitions. Word has length 111 [2020-12-23 08:50:09,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:09,687 INFO L481 AbstractCegarLoop]: Abstraction has 153498 states and 276399 transitions. [2020-12-23 08:50:09,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:09,687 INFO L276 IsEmpty]: Start isEmpty. Operand 153498 states and 276399 transitions. [2020-12-23 08:50:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-12-23 08:50:10,225 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:10,225 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:10,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:50:10,225 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:10,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1529555532, now seen corresponding path program 1 times [2020-12-23 08:50:10,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:10,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602674084] [2020-12-23 08:50:10,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:50:10,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602674084] [2020-12-23 08:50:10,311 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:10,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:10,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882287841] [2020-12-23 08:50:10,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:10,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:10,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:10,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:10,313 INFO L87 Difference]: Start difference. First operand 153498 states and 276399 transitions. Second operand 3 states. [2020-12-23 08:50:21,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:21,109 INFO L93 Difference]: Finished difference Result 421353 states and 757790 transitions. [2020-12-23 08:50:21,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:21,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2020-12-23 08:50:21,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:22,027 INFO L225 Difference]: With dead ends: 421353 [2020-12-23 08:50:22,027 INFO L226 Difference]: Without dead ends: 271134 [2020-12-23 08:50:22,178 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:22,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271134 states. [2020-12-23 08:50:33,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271134 to 270380. [2020-12-23 08:50:33,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270380 states. [2020-12-23 08:50:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270380 states to 270380 states and 484867 transitions. [2020-12-23 08:50:34,876 INFO L78 Accepts]: Start accepts. Automaton has 270380 states and 484867 transitions. Word has length 112 [2020-12-23 08:50:34,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:50:34,877 INFO L481 AbstractCegarLoop]: Abstraction has 270380 states and 484867 transitions. [2020-12-23 08:50:34,877 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:50:34,877 INFO L276 IsEmpty]: Start isEmpty. Operand 270380 states and 484867 transitions. [2020-12-23 08:50:35,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2020-12-23 08:50:35,088 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:50:35,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:50:35,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:50:35,089 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:50:35,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:50:35,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1327470134, now seen corresponding path program 1 times [2020-12-23 08:50:35,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:50:35,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275925450] [2020-12-23 08:50:35,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:50:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:50:35,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:50:35,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275925450] [2020-12-23 08:50:35,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:50:35,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:50:35,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950563927] [2020-12-23 08:50:35,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:50:35,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:50:35,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:50:35,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:35,761 INFO L87 Difference]: Start difference. First operand 270380 states and 484867 transitions. Second operand 3 states. [2020-12-23 08:50:56,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:50:56,720 INFO L93 Difference]: Finished difference Result 791949 states and 1420505 transitions. [2020-12-23 08:50:56,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:50:56,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2020-12-23 08:50:56,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:50:58,375 INFO L225 Difference]: With dead ends: 791949 [2020-12-23 08:50:58,375 INFO L226 Difference]: Without dead ends: 525481 [2020-12-23 08:50:58,696 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:50:59,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525481 states.