/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:42:16,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:42:16,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:42:16,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:42:16,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:42:16,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:42:16,818 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:42:16,823 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:42:16,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:42:16,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:42:16,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:42:16,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:42:16,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:42:16,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:42:16,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:42:16,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:42:16,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:42:16,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:42:16,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:42:16,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:42:16,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:42:16,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:42:16,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:42:16,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:42:16,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:42:16,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:42:16,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:42:16,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:42:16,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:42:16,885 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:42:16,885 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:42:16,886 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:42:16,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:42:16,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:42:16,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:42:16,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:42:16,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:42:16,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:42:16,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:42:16,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:42:16,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:42:16,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:42:16,962 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:42:16,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:42:16,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:42:16,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:42:16,964 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:42:16,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:42:16,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:42:16,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:42:16,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:42:16,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:42:16,966 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:42:16,966 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:42:16,966 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:42:16,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:42:16,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:42:16,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:42:16,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:42:16,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:42:16,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:42:16,968 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:42:16,968 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:42:16,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:42:16,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:42:16,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:42:16,969 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:42:16,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:42:17,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:42:17,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:42:17,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:42:17,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:42:17,375 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:42:17,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product37.cil.c [2020-12-23 08:42:17,476 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b146b3e03/23d8facf525943c18125df9301c69b03/FLAG6e3d3548c [2020-12-23 08:42:18,194 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:42:18,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c [2020-12-23 08:42:18,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b146b3e03/23d8facf525943c18125df9301c69b03/FLAG6e3d3548c [2020-12-23 08:42:18,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/b146b3e03/23d8facf525943c18125df9301c69b03 [2020-12-23 08:42:18,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:42:18,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:42:18,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:42:18,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:42:18,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:42:18,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:42:18" (1/1) ... [2020-12-23 08:42:18,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eaf7683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:18, skipping insertion in model container [2020-12-23 08:42:18,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:42:18" (1/1) ... [2020-12-23 08:42:18,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:42:18,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 08:42:18,805 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c[1218,1231] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~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_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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_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~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[~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[~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[~retValue_acc~8,] 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~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_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~19,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] 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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] 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[~__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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~13,] 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~14,] 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~37,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] 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[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:42:19,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:42:19,360 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 08:42:19,408 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product37.cil.c[1218,1231] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] 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~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~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_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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_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~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[~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[~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[~retValue_acc~8,] 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~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_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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~19,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] 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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] 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[~__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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] 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~13,] 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~14,] 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~37,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] 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~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] 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[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:42:19,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:42:19,626 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:42:19,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19 WrapperNode [2020-12-23 08:42:19,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:42:19,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:42:19,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:42:19,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:42:19,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... [2020-12-23 08:42:19,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... [2020-12-23 08:42:19,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:42:19,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:42:19,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:42:19,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:42:19,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... [2020-12-23 08:42:19,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... [2020-12-23 08:42:19,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... [2020-12-23 08:42:19,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... [2020-12-23 08:42:19,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... [2020-12-23 08:42:19,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... [2020-12-23 08:42:19,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... [2020-12-23 08:42:19,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:42:19,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:42:19,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:42:19,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:42:19,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:42:20,056 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:42:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:42:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:42:20,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:42:20,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:42:21,935 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:42:21,935 INFO L299 CfgBuilder]: Removed 247 assume(true) statements. [2020-12-23 08:42:21,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:42:21 BoogieIcfgContainer [2020-12-23 08:42:21,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:42:21,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:42:21,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:42:21,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:42:21,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:42:18" (1/3) ... [2020-12-23 08:42:21,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1234cb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:42:21, skipping insertion in model container [2020-12-23 08:42:21,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:42:19" (2/3) ... [2020-12-23 08:42:21,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1234cb4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:42:21, skipping insertion in model container [2020-12-23 08:42:21,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:42:21" (3/3) ... [2020-12-23 08:42:21,947 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product37.cil.c [2020-12-23 08:42:21,954 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:42:21,959 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 08:42:21,978 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 08:42:22,008 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:42:22,008 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:42:22,008 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:42:22,009 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:42:22,009 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:42:22,009 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:42:22,009 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:42:22,009 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:42:22,032 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states. [2020-12-23 08:42:22,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-12-23 08:42:22,045 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:22,046 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] [2020-12-23 08:42:22,046 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:22,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:22,053 INFO L82 PathProgramCache]: Analyzing trace with hash 2034469222, now seen corresponding path program 1 times [2020-12-23 08:42:22,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:22,063 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564358499] [2020-12-23 08:42:22,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:22,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564358499] [2020-12-23 08:42:22,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:22,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:22,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897631066] [2020-12-23 08:42:22,519 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:22,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:22,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:22,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:22,543 INFO L87 Difference]: Start difference. First operand 357 states. Second operand 3 states. [2020-12-23 08:42:22,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:22,725 INFO L93 Difference]: Finished difference Result 1036 states and 1799 transitions. [2020-12-23 08:42:22,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:22,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2020-12-23 08:42:22,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:22,758 INFO L225 Difference]: With dead ends: 1036 [2020-12-23 08:42:22,759 INFO L226 Difference]: Without dead ends: 662 [2020-12-23 08:42:22,765 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:22,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2020-12-23 08:42:22,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 340. [2020-12-23 08:42:22,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-12-23 08:42:22,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 586 transitions. [2020-12-23 08:42:22,842 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 586 transitions. Word has length 44 [2020-12-23 08:42:22,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:22,842 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 586 transitions. [2020-12-23 08:42:22,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:22,842 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 586 transitions. [2020-12-23 08:42:22,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 08:42:22,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:22,846 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] [2020-12-23 08:42:22,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:42:22,847 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:22,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:22,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1845984583, now seen corresponding path program 1 times [2020-12-23 08:42:22,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:22,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661578513] [2020-12-23 08:42:22,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:23,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:23,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661578513] [2020-12-23 08:42:23,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:23,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:23,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615085661] [2020-12-23 08:42:23,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:23,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:23,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:23,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:23,022 INFO L87 Difference]: Start difference. First operand 340 states and 586 transitions. Second operand 5 states. [2020-12-23 08:42:23,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:23,187 INFO L93 Difference]: Finished difference Result 969 states and 1674 transitions. [2020-12-23 08:42:23,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:42:23,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2020-12-23 08:42:23,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:23,192 INFO L225 Difference]: With dead ends: 969 [2020-12-23 08:42:23,192 INFO L226 Difference]: Without dead ends: 648 [2020-12-23 08:42:23,194 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:42:23,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2020-12-23 08:42:23,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 340. [2020-12-23 08:42:23,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-12-23 08:42:23,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 585 transitions. [2020-12-23 08:42:23,232 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 585 transitions. Word has length 46 [2020-12-23 08:42:23,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:23,233 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 585 transitions. [2020-12-23 08:42:23,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:23,233 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 585 transitions. [2020-12-23 08:42:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:42:23,239 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:23,240 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:23,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:42:23,240 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:23,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:23,241 INFO L82 PathProgramCache]: Analyzing trace with hash -1736859834, now seen corresponding path program 1 times [2020-12-23 08:42:23,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:23,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547757518] [2020-12-23 08:42:23,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:23,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:23,393 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547757518] [2020-12-23 08:42:23,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:23,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:23,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153163257] [2020-12-23 08:42:23,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:23,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:23,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:23,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:23,396 INFO L87 Difference]: Start difference. First operand 340 states and 585 transitions. Second operand 3 states. [2020-12-23 08:42:23,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:23,459 INFO L93 Difference]: Finished difference Result 662 states and 1144 transitions. [2020-12-23 08:42:23,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:23,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-23 08:42:23,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:23,462 INFO L225 Difference]: With dead ends: 662 [2020-12-23 08:42:23,462 INFO L226 Difference]: Without dead ends: 345 [2020-12-23 08:42:23,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:23,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-12-23 08:42:23,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 340. [2020-12-23 08:42:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-12-23 08:42:23,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 584 transitions. [2020-12-23 08:42:23,479 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 584 transitions. Word has length 47 [2020-12-23 08:42:23,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:23,479 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 584 transitions. [2020-12-23 08:42:23,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:23,480 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 584 transitions. [2020-12-23 08:42:23,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:42:23,481 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:23,481 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 08:42:23,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:42:23,482 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:23,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:23,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1391455628, now seen corresponding path program 1 times [2020-12-23 08:42:23,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:23,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879249330] [2020-12-23 08:42:23,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:23,555 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879249330] [2020-12-23 08:42:23,555 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:23,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:23,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701347238] [2020-12-23 08:42:23,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:23,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:23,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:23,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:23,557 INFO L87 Difference]: Start difference. First operand 340 states and 584 transitions. Second operand 3 states. [2020-12-23 08:42:23,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:23,598 INFO L93 Difference]: Finished difference Result 672 states and 1157 transitions. [2020-12-23 08:42:23,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:23,598 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2020-12-23 08:42:23,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:23,601 INFO L225 Difference]: With dead ends: 672 [2020-12-23 08:42:23,601 INFO L226 Difference]: Without dead ends: 340 [2020-12-23 08:42:23,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:23,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-12-23 08:42:23,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2020-12-23 08:42:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-12-23 08:42:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 582 transitions. [2020-12-23 08:42:23,618 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 582 transitions. Word has length 48 [2020-12-23 08:42:23,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:23,618 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 582 transitions. [2020-12-23 08:42:23,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:23,619 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 582 transitions. [2020-12-23 08:42:23,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:42:23,620 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:23,620 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:23,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:42:23,620 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:23,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:23,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1875597471, now seen corresponding path program 1 times [2020-12-23 08:42:23,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:23,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554438625] [2020-12-23 08:42:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:23,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554438625] [2020-12-23 08:42:23,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:23,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:23,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019309365] [2020-12-23 08:42:23,695 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:23,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:23,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:23,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:23,697 INFO L87 Difference]: Start difference. First operand 340 states and 582 transitions. Second operand 5 states. [2020-12-23 08:42:23,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:23,872 INFO L93 Difference]: Finished difference Result 959 states and 1654 transitions. [2020-12-23 08:42:23,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:42:23,872 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 08:42:23,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:23,876 INFO L225 Difference]: With dead ends: 959 [2020-12-23 08:42:23,877 INFO L226 Difference]: Without dead ends: 646 [2020-12-23 08:42:23,878 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:42:23,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2020-12-23 08:42:23,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 340. [2020-12-23 08:42:23,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-12-23 08:42:23,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 581 transitions. [2020-12-23 08:42:23,897 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 581 transitions. Word has length 49 [2020-12-23 08:42:23,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:23,897 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 581 transitions. [2020-12-23 08:42:23,898 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:23,898 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 581 transitions. [2020-12-23 08:42:23,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:42:23,899 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:23,899 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:23,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:42:23,899 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:23,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:23,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1662750012, now seen corresponding path program 1 times [2020-12-23 08:42:23,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:23,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823686044] [2020-12-23 08:42:23,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:23,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:23,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823686044] [2020-12-23 08:42:23,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:23,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:23,968 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317743007] [2020-12-23 08:42:23,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:23,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:23,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:23,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:23,969 INFO L87 Difference]: Start difference. First operand 340 states and 581 transitions. Second operand 5 states. [2020-12-23 08:42:24,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:24,146 INFO L93 Difference]: Finished difference Result 964 states and 1659 transitions. [2020-12-23 08:42:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:42:24,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2020-12-23 08:42:24,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:24,150 INFO L225 Difference]: With dead ends: 964 [2020-12-23 08:42:24,150 INFO L226 Difference]: Without dead ends: 651 [2020-12-23 08:42:24,151 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:42:24,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2020-12-23 08:42:24,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 340. [2020-12-23 08:42:24,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2020-12-23 08:42:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 580 transitions. [2020-12-23 08:42:24,175 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 580 transitions. Word has length 50 [2020-12-23 08:42:24,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:24,175 INFO L481 AbstractCegarLoop]: Abstraction has 340 states and 580 transitions. [2020-12-23 08:42:24,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:24,176 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 580 transitions. [2020-12-23 08:42:24,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:42:24,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:24,177 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:24,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:42:24,177 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:24,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:24,182 INFO L82 PathProgramCache]: Analyzing trace with hash 697134556, now seen corresponding path program 1 times [2020-12-23 08:42:24,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:24,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700479353] [2020-12-23 08:42:24,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:24,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:24,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700479353] [2020-12-23 08:42:24,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:24,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:24,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098743379] [2020-12-23 08:42:24,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:24,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:24,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:24,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:24,300 INFO L87 Difference]: Start difference. First operand 340 states and 580 transitions. Second operand 3 states. [2020-12-23 08:42:24,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:24,331 INFO L93 Difference]: Finished difference Result 438 states and 729 transitions. [2020-12-23 08:42:24,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:24,331 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 08:42:24,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:24,334 INFO L225 Difference]: With dead ends: 438 [2020-12-23 08:42:24,334 INFO L226 Difference]: Without dead ends: 343 [2020-12-23 08:42:24,336 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:24,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-12-23 08:42:24,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 342. [2020-12-23 08:42:24,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2020-12-23 08:42:24,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 582 transitions. [2020-12-23 08:42:24,361 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 582 transitions. Word has length 51 [2020-12-23 08:42:24,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:24,361 INFO L481 AbstractCegarLoop]: Abstraction has 342 states and 582 transitions. [2020-12-23 08:42:24,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:24,361 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 582 transitions. [2020-12-23 08:42:24,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:42:24,363 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:24,363 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 08:42:24,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:42:24,364 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:24,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:24,364 INFO L82 PathProgramCache]: Analyzing trace with hash -421271606, now seen corresponding path program 1 times [2020-12-23 08:42:24,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:24,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646532804] [2020-12-23 08:42:24,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:24,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646532804] [2020-12-23 08:42:24,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:24,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:24,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255968850] [2020-12-23 08:42:24,478 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:24,478 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:24,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:24,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:24,479 INFO L87 Difference]: Start difference. First operand 342 states and 582 transitions. Second operand 3 states. [2020-12-23 08:42:24,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:24,532 INFO L93 Difference]: Finished difference Result 912 states and 1570 transitions. [2020-12-23 08:42:24,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:24,533 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-23 08:42:24,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:24,539 INFO L225 Difference]: With dead ends: 912 [2020-12-23 08:42:24,539 INFO L226 Difference]: Without dead ends: 601 [2020-12-23 08:42:24,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:24,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-12-23 08:42:24,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 506. [2020-12-23 08:42:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-12-23 08:42:24,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 882 transitions. [2020-12-23 08:42:24,574 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 882 transitions. Word has length 59 [2020-12-23 08:42:24,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:24,574 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 882 transitions. [2020-12-23 08:42:24,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 882 transitions. [2020-12-23 08:42:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:42:24,576 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:24,576 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] [2020-12-23 08:42:24,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:42:24,579 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:24,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:24,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1683409705, now seen corresponding path program 1 times [2020-12-23 08:42:24,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:24,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410513083] [2020-12-23 08:42:24,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:24,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:24,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410513083] [2020-12-23 08:42:24,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:24,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:24,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252029079] [2020-12-23 08:42:24,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:24,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:24,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:24,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:24,688 INFO L87 Difference]: Start difference. First operand 506 states and 882 transitions. Second operand 5 states. [2020-12-23 08:42:24,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:24,950 INFO L93 Difference]: Finished difference Result 1448 states and 2552 transitions. [2020-12-23 08:42:24,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:42:24,950 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-12-23 08:42:24,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:24,957 INFO L225 Difference]: With dead ends: 1448 [2020-12-23 08:42:24,957 INFO L226 Difference]: Without dead ends: 973 [2020-12-23 08:42:24,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:42:24,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2020-12-23 08:42:25,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 506. [2020-12-23 08:42:25,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2020-12-23 08:42:25,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 880 transitions. [2020-12-23 08:42:25,013 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 880 transitions. Word has length 60 [2020-12-23 08:42:25,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:25,013 INFO L481 AbstractCegarLoop]: Abstraction has 506 states and 880 transitions. [2020-12-23 08:42:25,013 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:25,013 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 880 transitions. [2020-12-23 08:42:25,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:42:25,015 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:25,015 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] [2020-12-23 08:42:25,015 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:42:25,015 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:25,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:25,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1539082368, now seen corresponding path program 1 times [2020-12-23 08:42:25,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:25,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510936838] [2020-12-23 08:42:25,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:25,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:25,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510936838] [2020-12-23 08:42:25,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:25,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:25,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238885839] [2020-12-23 08:42:25,107 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:25,107 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:25,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:25,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:25,110 INFO L87 Difference]: Start difference. First operand 506 states and 880 transitions. Second operand 3 states. [2020-12-23 08:42:25,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:25,191 INFO L93 Difference]: Finished difference Result 1446 states and 2544 transitions. [2020-12-23 08:42:25,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:25,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-23 08:42:25,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:25,199 INFO L225 Difference]: With dead ends: 1446 [2020-12-23 08:42:25,199 INFO L226 Difference]: Without dead ends: 971 [2020-12-23 08:42:25,200 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:25,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2020-12-23 08:42:25,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 876. [2020-12-23 08:42:25,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2020-12-23 08:42:25,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1557 transitions. [2020-12-23 08:42:25,261 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1557 transitions. Word has length 61 [2020-12-23 08:42:25,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:25,261 INFO L481 AbstractCegarLoop]: Abstraction has 876 states and 1557 transitions. [2020-12-23 08:42:25,261 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:25,261 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1557 transitions. [2020-12-23 08:42:25,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-23 08:42:25,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:25,263 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] [2020-12-23 08:42:25,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:42:25,264 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:25,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:25,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1211718942, now seen corresponding path program 1 times [2020-12-23 08:42:25,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:25,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791565539] [2020-12-23 08:42:25,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:25,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:25,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791565539] [2020-12-23 08:42:25,332 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515200461] [2020-12-23 08:42:25,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:42:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:25,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:42:25,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:42:25,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:25,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:42:25,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:42:25,738 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745027009] [2020-12-23 08:42:25,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:25,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:25,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:25,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:25,739 INFO L87 Difference]: Start difference. First operand 876 states and 1557 transitions. Second operand 5 states. [2020-12-23 08:42:25,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:25,849 INFO L93 Difference]: Finished difference Result 1289 states and 2250 transitions. [2020-12-23 08:42:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:42:25,850 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-12-23 08:42:25,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:25,857 INFO L225 Difference]: With dead ends: 1289 [2020-12-23 08:42:25,857 INFO L226 Difference]: Without dead ends: 1194 [2020-12-23 08:42:25,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:25,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-12-23 08:42:25,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 1096. [2020-12-23 08:42:25,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1096 states. [2020-12-23 08:42:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 1096 states and 1954 transitions. [2020-12-23 08:42:25,948 INFO L78 Accepts]: Start accepts. Automaton has 1096 states and 1954 transitions. Word has length 61 [2020-12-23 08:42:25,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:25,948 INFO L481 AbstractCegarLoop]: Abstraction has 1096 states and 1954 transitions. [2020-12-23 08:42:25,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:25,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1954 transitions. [2020-12-23 08:42:25,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:42:25,958 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:25,958 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] [2020-12-23 08:42:26,171 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:42:26,172 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:26,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:26,173 INFO L82 PathProgramCache]: Analyzing trace with hash 277696251, now seen corresponding path program 1 times [2020-12-23 08:42:26,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:26,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135601073] [2020-12-23 08:42:26,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:26,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:26,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135601073] [2020-12-23 08:42:26,253 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:26,253 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:26,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552033884] [2020-12-23 08:42:26,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:26,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:26,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:26,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:26,255 INFO L87 Difference]: Start difference. First operand 1096 states and 1954 transitions. Second operand 3 states. [2020-12-23 08:42:26,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:26,421 INFO L93 Difference]: Finished difference Result 2918 states and 5229 transitions. [2020-12-23 08:42:26,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:26,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:42:26,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:26,433 INFO L225 Difference]: With dead ends: 2918 [2020-12-23 08:42:26,433 INFO L226 Difference]: Without dead ends: 1923 [2020-12-23 08:42:26,435 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:26,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1923 states. [2020-12-23 08:42:26,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1923 to 1828. [2020-12-23 08:42:26,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1828 states. [2020-12-23 08:42:26,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1828 states and 3287 transitions. [2020-12-23 08:42:26,572 INFO L78 Accepts]: Start accepts. Automaton has 1828 states and 3287 transitions. Word has length 65 [2020-12-23 08:42:26,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:26,574 INFO L481 AbstractCegarLoop]: Abstraction has 1828 states and 3287 transitions. [2020-12-23 08:42:26,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:26,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 3287 transitions. [2020-12-23 08:42:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:42:26,577 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:26,577 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] [2020-12-23 08:42:26,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:42:26,578 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:26,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:26,579 INFO L82 PathProgramCache]: Analyzing trace with hash -929846149, now seen corresponding path program 1 times [2020-12-23 08:42:26,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:26,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824144616] [2020-12-23 08:42:26,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:26,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:26,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824144616] [2020-12-23 08:42:26,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:26,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:26,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435287678] [2020-12-23 08:42:26,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:26,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:26,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:26,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:26,686 INFO L87 Difference]: Start difference. First operand 1828 states and 3287 transitions. Second operand 3 states. [2020-12-23 08:42:26,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:26,915 INFO L93 Difference]: Finished difference Result 4850 states and 8747 transitions. [2020-12-23 08:42:26,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:26,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 08:42:26,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:26,932 INFO L225 Difference]: With dead ends: 4850 [2020-12-23 08:42:26,933 INFO L226 Difference]: Without dead ends: 3157 [2020-12-23 08:42:26,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:26,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3157 states. [2020-12-23 08:42:27,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3157 to 3062. [2020-12-23 08:42:27,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3062 states. [2020-12-23 08:42:27,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3062 states to 3062 states and 5528 transitions. [2020-12-23 08:42:27,140 INFO L78 Accepts]: Start accepts. Automaton has 3062 states and 5528 transitions. Word has length 66 [2020-12-23 08:42:27,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:27,140 INFO L481 AbstractCegarLoop]: Abstraction has 3062 states and 5528 transitions. [2020-12-23 08:42:27,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:27,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3062 states and 5528 transitions. [2020-12-23 08:42:27,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:42:27,144 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:27,145 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] [2020-12-23 08:42:27,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:42:27,145 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:27,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:27,146 INFO L82 PathProgramCache]: Analyzing trace with hash 478961964, now seen corresponding path program 1 times [2020-12-23 08:42:27,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:27,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847081079] [2020-12-23 08:42:27,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:27,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:27,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847081079] [2020-12-23 08:42:27,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:27,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:27,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108702868] [2020-12-23 08:42:27,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:27,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:27,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:27,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:27,213 INFO L87 Difference]: Start difference. First operand 3062 states and 5528 transitions. Second operand 3 states. [2020-12-23 08:42:27,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:27,571 INFO L93 Difference]: Finished difference Result 8268 states and 14953 transitions. [2020-12-23 08:42:27,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:27,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:42:27,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:27,602 INFO L225 Difference]: With dead ends: 8268 [2020-12-23 08:42:27,602 INFO L226 Difference]: Without dead ends: 5375 [2020-12-23 08:42:27,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:27,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5375 states. [2020-12-23 08:42:27,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5375 to 5280. [2020-12-23 08:42:27,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5280 states. [2020-12-23 08:42:27,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5280 states to 5280 states and 9545 transitions. [2020-12-23 08:42:27,980 INFO L78 Accepts]: Start accepts. Automaton has 5280 states and 9545 transitions. Word has length 67 [2020-12-23 08:42:27,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:27,981 INFO L481 AbstractCegarLoop]: Abstraction has 5280 states and 9545 transitions. [2020-12-23 08:42:27,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:27,981 INFO L276 IsEmpty]: Start isEmpty. Operand 5280 states and 9545 transitions. [2020-12-23 08:42:27,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:42:27,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:27,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:27,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:42:27,987 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:27,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:27,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1476665972, now seen corresponding path program 1 times [2020-12-23 08:42:27,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:27,988 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317910030] [2020-12-23 08:42:27,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:28,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317910030] [2020-12-23 08:42:28,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:28,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:28,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777920922] [2020-12-23 08:42:28,052 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:28,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:28,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:28,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:28,053 INFO L87 Difference]: Start difference. First operand 5280 states and 9545 transitions. Second operand 3 states. [2020-12-23 08:42:28,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:28,617 INFO L93 Difference]: Finished difference Result 15248 states and 27615 transitions. [2020-12-23 08:42:28,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:28,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:42:28,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:28,681 INFO L225 Difference]: With dead ends: 15248 [2020-12-23 08:42:28,682 INFO L226 Difference]: Without dead ends: 10145 [2020-12-23 08:42:28,694 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:28,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10145 states. [2020-12-23 08:42:29,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10145 to 10050. [2020-12-23 08:42:29,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10050 states. [2020-12-23 08:42:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10050 states to 10050 states and 18186 transitions. [2020-12-23 08:42:29,349 INFO L78 Accepts]: Start accepts. Automaton has 10050 states and 18186 transitions. Word has length 68 [2020-12-23 08:42:29,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:29,350 INFO L481 AbstractCegarLoop]: Abstraction has 10050 states and 18186 transitions. [2020-12-23 08:42:29,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 10050 states and 18186 transitions. [2020-12-23 08:42:29,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:42:29,357 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:29,357 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:29,357 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:42:29,357 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:29,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:29,358 INFO L82 PathProgramCache]: Analyzing trace with hash 990031899, now seen corresponding path program 1 times [2020-12-23 08:42:29,358 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:29,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815994583] [2020-12-23 08:42:29,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:29,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815994583] [2020-12-23 08:42:29,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:29,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:29,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508353017] [2020-12-23 08:42:29,494 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:29,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:29,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:29,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:29,496 INFO L87 Difference]: Start difference. First operand 10050 states and 18186 transitions. Second operand 3 states. [2020-12-23 08:42:30,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:30,949 INFO L93 Difference]: Finished difference Result 29388 states and 53237 transitions. [2020-12-23 08:42:30,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:30,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:42:30,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:31,015 INFO L225 Difference]: With dead ends: 29388 [2020-12-23 08:42:31,015 INFO L226 Difference]: Without dead ends: 19523 [2020-12-23 08:42:31,031 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:31,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19523 states. [2020-12-23 08:42:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19523 to 19428. [2020-12-23 08:42:32,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19428 states. [2020-12-23 08:42:32,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19428 states to 19428 states and 35147 transitions. [2020-12-23 08:42:32,201 INFO L78 Accepts]: Start accepts. Automaton has 19428 states and 35147 transitions. Word has length 69 [2020-12-23 08:42:32,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:32,201 INFO L481 AbstractCegarLoop]: Abstraction has 19428 states and 35147 transitions. [2020-12-23 08:42:32,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:32,202 INFO L276 IsEmpty]: Start isEmpty. Operand 19428 states and 35147 transitions. [2020-12-23 08:42:32,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:42:32,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:32,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:32,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:42:32,211 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:32,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:32,212 INFO L82 PathProgramCache]: Analyzing trace with hash -163290405, now seen corresponding path program 1 times [2020-12-23 08:42:32,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:32,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306505367] [2020-12-23 08:42:32,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:32,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:32,283 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306505367] [2020-12-23 08:42:32,284 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:32,284 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:32,284 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245717888] [2020-12-23 08:42:32,284 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:32,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:32,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:32,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:32,285 INFO L87 Difference]: Start difference. First operand 19428 states and 35147 transitions. Second operand 3 states. [2020-12-23 08:42:34,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:34,104 INFO L93 Difference]: Finished difference Result 57708 states and 104434 transitions. [2020-12-23 08:42:34,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:34,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 08:42:34,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:34,268 INFO L225 Difference]: With dead ends: 57708 [2020-12-23 08:42:34,268 INFO L226 Difference]: Without dead ends: 38469 [2020-12-23 08:42:34,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:34,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38469 states. [2020-12-23 08:42:36,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38469 to 38374. [2020-12-23 08:42:36,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38374 states. [2020-12-23 08:42:36,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38374 states to 38374 states and 69324 transitions. [2020-12-23 08:42:36,748 INFO L78 Accepts]: Start accepts. Automaton has 38374 states and 69324 transitions. Word has length 70 [2020-12-23 08:42:36,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:36,748 INFO L481 AbstractCegarLoop]: Abstraction has 38374 states and 69324 transitions. [2020-12-23 08:42:36,748 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:36,748 INFO L276 IsEmpty]: Start isEmpty. Operand 38374 states and 69324 transitions. [2020-12-23 08:42:36,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:42:36,759 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:36,760 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] [2020-12-23 08:42:36,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:42:36,760 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:36,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:36,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1182780738, now seen corresponding path program 1 times [2020-12-23 08:42:36,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:36,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033399792] [2020-12-23 08:42:36,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:36,851 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:42:36,851 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033399792] [2020-12-23 08:42:36,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:36,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:42:36,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899370017] [2020-12-23 08:42:36,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:42:36,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:36,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:42:36,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:42:36,853 INFO L87 Difference]: Start difference. First operand 38374 states and 69324 transitions. Second operand 5 states. [2020-12-23 08:42:39,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:39,524 INFO L93 Difference]: Finished difference Result 112817 states and 203771 transitions. [2020-12-23 08:42:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:42:39,524 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-12-23 08:42:39,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:39,756 INFO L225 Difference]: With dead ends: 112817 [2020-12-23 08:42:39,756 INFO L226 Difference]: Without dead ends: 74700 [2020-12-23 08:42:39,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:42:39,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74700 states. [2020-12-23 08:42:41,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74700 to 38374. [2020-12-23 08:42:41,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38374 states. [2020-12-23 08:42:42,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38374 states to 38374 states and 69066 transitions. [2020-12-23 08:42:42,063 INFO L78 Accepts]: Start accepts. Automaton has 38374 states and 69066 transitions. Word has length 71 [2020-12-23 08:42:42,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:42,063 INFO L481 AbstractCegarLoop]: Abstraction has 38374 states and 69066 transitions. [2020-12-23 08:42:42,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:42:42,063 INFO L276 IsEmpty]: Start isEmpty. Operand 38374 states and 69066 transitions. [2020-12-23 08:42:42,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:42:42,071 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:42,072 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:42,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:42:42,072 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:42,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:42,072 INFO L82 PathProgramCache]: Analyzing trace with hash 855417312, now seen corresponding path program 2 times [2020-12-23 08:42:42,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:42,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739431007] [2020-12-23 08:42:42,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:42,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739431007] [2020-12-23 08:42:42,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:42,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:42,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43074541] [2020-12-23 08:42:42,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:42,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:42,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:42,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:42,139 INFO L87 Difference]: Start difference. First operand 38374 states and 69066 transitions. Second operand 3 states. [2020-12-23 08:42:43,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:43,688 INFO L93 Difference]: Finished difference Result 76580 states and 137836 transitions. [2020-12-23 08:42:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:43,688 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 08:42:43,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:43,769 INFO L225 Difference]: With dead ends: 76580 [2020-12-23 08:42:43,770 INFO L226 Difference]: Without dead ends: 38469 [2020-12-23 08:42:43,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:43,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38469 states. [2020-12-23 08:42:45,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38469 to 38374. [2020-12-23 08:42:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38374 states. [2020-12-23 08:42:45,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38374 states to 38374 states and 68938 transitions. [2020-12-23 08:42:45,556 INFO L78 Accepts]: Start accepts. Automaton has 38374 states and 68938 transitions. Word has length 71 [2020-12-23 08:42:45,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:45,556 INFO L481 AbstractCegarLoop]: Abstraction has 38374 states and 68938 transitions. [2020-12-23 08:42:45,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:45,557 INFO L276 IsEmpty]: Start isEmpty. Operand 38374 states and 68938 transitions. [2020-12-23 08:42:45,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 08:42:45,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:45,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:45,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:42:45,565 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:45,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:45,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1970795277, now seen corresponding path program 1 times [2020-12-23 08:42:45,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:45,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141835599] [2020-12-23 08:42:45,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:45,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:45,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:42:45,640 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141835599] [2020-12-23 08:42:45,640 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:45,640 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:42:45,641 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520069955] [2020-12-23 08:42:45,641 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:42:45,642 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:45,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:42:45,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:45,643 INFO L87 Difference]: Start difference. First operand 38374 states and 68938 transitions. Second operand 3 states. [2020-12-23 08:42:48,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:48,055 INFO L93 Difference]: Finished difference Result 106702 states and 191414 transitions. [2020-12-23 08:42:48,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:42:48,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 08:42:48,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:48,166 INFO L225 Difference]: With dead ends: 106702 [2020-12-23 08:42:48,167 INFO L226 Difference]: Without dead ends: 68551 [2020-12-23 08:42:48,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:42:48,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68551 states. [2020-12-23 08:42:51,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68551 to 68456. [2020-12-23 08:42:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68456 states. [2020-12-23 08:42:51,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68456 states to 68456 states and 122443 transitions. [2020-12-23 08:42:51,270 INFO L78 Accepts]: Start accepts. Automaton has 68456 states and 122443 transitions. Word has length 71 [2020-12-23 08:42:51,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:51,271 INFO L481 AbstractCegarLoop]: Abstraction has 68456 states and 122443 transitions. [2020-12-23 08:42:51,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:42:51,271 INFO L276 IsEmpty]: Start isEmpty. Operand 68456 states and 122443 transitions. [2020-12-23 08:42:51,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:42:51,280 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:51,280 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] [2020-12-23 08:42:51,280 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:42:51,281 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:51,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:51,281 INFO L82 PathProgramCache]: Analyzing trace with hash -729775450, now seen corresponding path program 1 times [2020-12-23 08:42:51,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:51,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300868945] [2020-12-23 08:42:51,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:51,390 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 08:42:51,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300868945] [2020-12-23 08:42:51,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:51,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:42:51,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55128692] [2020-12-23 08:42:51,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:42:51,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:51,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:42:51,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:42:51,392 INFO L87 Difference]: Start difference. First operand 68456 states and 122443 transitions. Second operand 10 states. [2020-12-23 08:42:54,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:42:54,773 INFO L93 Difference]: Finished difference Result 69079 states and 123351 transitions. [2020-12-23 08:42:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-12-23 08:42:54,773 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 72 [2020-12-23 08:42:54,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:42:54,897 INFO L225 Difference]: With dead ends: 69079 [2020-12-23 08:42:54,897 INFO L226 Difference]: Without dead ends: 69006 [2020-12-23 08:42:54,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=290, Invalid=766, Unknown=0, NotChecked=0, Total=1056 [2020-12-23 08:42:54,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69006 states. [2020-12-23 08:42:57,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69006 to 68499. [2020-12-23 08:42:57,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68499 states. [2020-12-23 08:42:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68499 states to 68499 states and 122505 transitions. [2020-12-23 08:42:57,885 INFO L78 Accepts]: Start accepts. Automaton has 68499 states and 122505 transitions. Word has length 72 [2020-12-23 08:42:57,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:42:57,886 INFO L481 AbstractCegarLoop]: Abstraction has 68499 states and 122505 transitions. [2020-12-23 08:42:57,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:42:57,886 INFO L276 IsEmpty]: Start isEmpty. Operand 68499 states and 122505 transitions. [2020-12-23 08:42:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:42:57,900 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:42:57,900 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:42:57,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 08:42:57,900 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:42:57,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:42:57,901 INFO L82 PathProgramCache]: Analyzing trace with hash -899185413, now seen corresponding path program 1 times [2020-12-23 08:42:57,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:42:57,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306253439] [2020-12-23 08:42:57,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:42:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:42:58,013 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:42:58,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306253439] [2020-12-23 08:42:58,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:42:58,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:42:58,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195858133] [2020-12-23 08:42:58,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:42:58,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:42:58,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:42:58,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:42:58,015 INFO L87 Difference]: Start difference. First operand 68499 states and 122505 transitions. Second operand 6 states. [2020-12-23 08:43:02,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:02,092 INFO L93 Difference]: Finished difference Result 102647 states and 183383 transitions. [2020-12-23 08:43:02,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:43:02,093 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-12-23 08:43:02,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:02,285 INFO L225 Difference]: With dead ends: 102647 [2020-12-23 08:43:02,285 INFO L226 Difference]: Without dead ends: 102551 [2020-12-23 08:43:02,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:43:02,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102551 states. [2020-12-23 08:43:06,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102551 to 102284. [2020-12-23 08:43:06,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102284 states. [2020-12-23 08:43:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102284 states to 102284 states and 182846 transitions. [2020-12-23 08:43:06,886 INFO L78 Accepts]: Start accepts. Automaton has 102284 states and 182846 transitions. Word has length 73 [2020-12-23 08:43:06,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:06,886 INFO L481 AbstractCegarLoop]: Abstraction has 102284 states and 182846 transitions. [2020-12-23 08:43:06,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:43:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 102284 states and 182846 transitions. [2020-12-23 08:43:06,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:43:06,895 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:06,895 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] [2020-12-23 08:43:06,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:43:06,895 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:06,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:06,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1317216392, now seen corresponding path program 1 times [2020-12-23 08:43:06,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:06,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076298111] [2020-12-23 08:43:06,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:06,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:06,961 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:43:06,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076298111] [2020-12-23 08:43:06,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:06,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 08:43:06,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570812107] [2020-12-23 08:43:06,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 08:43:06,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:06,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 08:43:06,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 08:43:06,963 INFO L87 Difference]: Start difference. First operand 102284 states and 182846 transitions. Second operand 6 states. [2020-12-23 08:43:10,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:10,620 INFO L93 Difference]: Finished difference Result 102598 states and 183299 transitions. [2020-12-23 08:43:10,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:43:10,620 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 73 [2020-12-23 08:43:10,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:10,804 INFO L225 Difference]: With dead ends: 102598 [2020-12-23 08:43:10,804 INFO L226 Difference]: Without dead ends: 102374 [2020-12-23 08:43:10,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:43:10,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102374 states. [2020-12-23 08:43:14,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102374 to 102276. [2020-12-23 08:43:14,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102276 states. [2020-12-23 08:43:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102276 states to 102276 states and 182832 transitions. [2020-12-23 08:43:15,164 INFO L78 Accepts]: Start accepts. Automaton has 102276 states and 182832 transitions. Word has length 73 [2020-12-23 08:43:15,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:15,165 INFO L481 AbstractCegarLoop]: Abstraction has 102276 states and 182832 transitions. [2020-12-23 08:43:15,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 08:43:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 102276 states and 182832 transitions. [2020-12-23 08:43:15,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:43:15,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:15,176 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:43:15,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:43:15,176 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:15,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:15,177 INFO L82 PathProgramCache]: Analyzing trace with hash -117591292, now seen corresponding path program 1 times [2020-12-23 08:43:15,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:15,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354713385] [2020-12-23 08:43:15,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:15,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:43:15,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354713385] [2020-12-23 08:43:15,229 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:15,229 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:43:15,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344621327] [2020-12-23 08:43:15,230 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:43:15,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:15,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:43:15,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:15,231 INFO L87 Difference]: Start difference. First operand 102276 states and 182832 transitions. Second operand 3 states. [2020-12-23 08:43:22,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:22,701 INFO L93 Difference]: Finished difference Result 302488 states and 540757 transitions. [2020-12-23 08:43:22,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:43:22,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 08:43:22,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:23,389 INFO L225 Difference]: With dead ends: 302488 [2020-12-23 08:43:23,390 INFO L226 Difference]: Without dead ends: 200446 [2020-12-23 08:43:23,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:43:23,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200446 states. [2020-12-23 08:43:31,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200446 to 200198. [2020-12-23 08:43:31,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200198 states. [2020-12-23 08:43:32,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200198 states to 200198 states and 357169 transitions. [2020-12-23 08:43:32,516 INFO L78 Accepts]: Start accepts. Automaton has 200198 states and 357169 transitions. Word has length 73 [2020-12-23 08:43:32,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:32,516 INFO L481 AbstractCegarLoop]: Abstraction has 200198 states and 357169 transitions. [2020-12-23 08:43:32,516 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:43:32,516 INFO L276 IsEmpty]: Start isEmpty. Operand 200198 states and 357169 transitions. [2020-12-23 08:43:32,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:43:32,525 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:32,526 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:43:32,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:43:32,526 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:32,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:32,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1210513375, now seen corresponding path program 1 times [2020-12-23 08:43:32,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:32,527 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983719551] [2020-12-23 08:43:32,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:43:32,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983719551] [2020-12-23 08:43:32,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:32,644 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 08:43:32,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749825540] [2020-12-23 08:43:32,645 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 08:43:32,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:32,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 08:43:32,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:43:32,646 INFO L87 Difference]: Start difference. First operand 200198 states and 357169 transitions. Second operand 9 states. [2020-12-23 08:43:40,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:40,418 INFO L93 Difference]: Finished difference Result 201125 states and 358534 transitions. [2020-12-23 08:43:40,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-23 08:43:40,419 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 74 [2020-12-23 08:43:40,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:40,835 INFO L225 Difference]: With dead ends: 201125 [2020-12-23 08:43:40,836 INFO L226 Difference]: Without dead ends: 200919 [2020-12-23 08:43:40,881 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=189, Invalid=411, Unknown=0, NotChecked=0, Total=600 [2020-12-23 08:43:41,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200919 states. [2020-12-23 08:43:49,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200919 to 200322. [2020-12-23 08:43:49,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200322 states. [2020-12-23 08:43:50,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200322 states to 200322 states and 357350 transitions. [2020-12-23 08:43:50,052 INFO L78 Accepts]: Start accepts. Automaton has 200322 states and 357350 transitions. Word has length 74 [2020-12-23 08:43:50,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:43:50,052 INFO L481 AbstractCegarLoop]: Abstraction has 200322 states and 357350 transitions. [2020-12-23 08:43:50,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 08:43:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 200322 states and 357350 transitions. [2020-12-23 08:43:50,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:43:50,065 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:43:50,066 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:43:50,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:43:50,066 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:43:50,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:43:50,066 INFO L82 PathProgramCache]: Analyzing trace with hash 1721480749, now seen corresponding path program 1 times [2020-12-23 08:43:50,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:43:50,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284808802] [2020-12-23 08:43:50,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:43:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:43:50,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:43:50,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284808802] [2020-12-23 08:43:50,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:43:50,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:43:50,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411782518] [2020-12-23 08:43:50,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:43:50,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:43:50,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:43:50,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:43:50,136 INFO L87 Difference]: Start difference. First operand 200322 states and 357350 transitions. Second operand 4 states. [2020-12-23 08:43:55,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:43:55,388 INFO L93 Difference]: Finished difference Result 200542 states and 357674 transitions. [2020-12-23 08:43:55,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:43:55,389 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2020-12-23 08:43:55,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:43:55,657 INFO L225 Difference]: With dead ends: 200542 [2020-12-23 08:43:55,657 INFO L226 Difference]: Without dead ends: 133782 [2020-12-23 08:43:55,717 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 08:43:55,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133782 states. [2020-12-23 08:44:03,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133782 to 133758. [2020-12-23 08:44:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133758 states. [2020-12-23 08:44:03,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133758 states to 133758 states and 238048 transitions. [2020-12-23 08:44:03,466 INFO L78 Accepts]: Start accepts. Automaton has 133758 states and 238048 transitions. Word has length 74 [2020-12-23 08:44:03,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:03,466 INFO L481 AbstractCegarLoop]: Abstraction has 133758 states and 238048 transitions. [2020-12-23 08:44:03,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:44:03,466 INFO L276 IsEmpty]: Start isEmpty. Operand 133758 states and 238048 transitions. [2020-12-23 08:44:03,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:44:03,473 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:03,474 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:03,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:44:03,474 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:03,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:03,474 INFO L82 PathProgramCache]: Analyzing trace with hash 306122469, now seen corresponding path program 1 times [2020-12-23 08:44:03,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:03,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982857452] [2020-12-23 08:44:03,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:03,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:03,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982857452] [2020-12-23 08:44:03,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:03,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:44:03,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359552118] [2020-12-23 08:44:03,525 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:44:03,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:03,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:44:03,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:03,525 INFO L87 Difference]: Start difference. First operand 133758 states and 238048 transitions. Second operand 3 states. [2020-12-23 08:44:11,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:11,908 INFO L93 Difference]: Finished difference Result 235874 states and 417835 transitions. [2020-12-23 08:44:11,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:44:11,909 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 08:44:11,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:12,502 INFO L225 Difference]: With dead ends: 235874 [2020-12-23 08:44:12,502 INFO L226 Difference]: Without dead ends: 235502 [2020-12-23 08:44:12,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:44:12,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235502 states. [2020-12-23 08:44:22,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235502 to 235130. [2020-12-23 08:44:22,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235130 states. [2020-12-23 08:44:23,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235130 states to 235130 states and 415706 transitions. [2020-12-23 08:44:23,413 INFO L78 Accepts]: Start accepts. Automaton has 235130 states and 415706 transitions. Word has length 74 [2020-12-23 08:44:23,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:23,413 INFO L481 AbstractCegarLoop]: Abstraction has 235130 states and 415706 transitions. [2020-12-23 08:44:23,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:44:23,413 INFO L276 IsEmpty]: Start isEmpty. Operand 235130 states and 415706 transitions. [2020-12-23 08:44:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:44:23,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:23,422 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:44:23,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:44:23,422 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:23,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash 1635804006, now seen corresponding path program 1 times [2020-12-23 08:44:23,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:23,423 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955730856] [2020-12-23 08:44:23,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 08:44:23,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955730856] [2020-12-23 08:44:23,488 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:23,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:44:23,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829154685] [2020-12-23 08:44:23,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 08:44:23,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:23,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 08:44:23,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 08:44:23,489 INFO L87 Difference]: Start difference. First operand 235130 states and 415706 transitions. Second operand 4 states. [2020-12-23 08:44:32,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:32,049 INFO L93 Difference]: Finished difference Result 235363 states and 416039 transitions. [2020-12-23 08:44:32,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:44:32,049 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 75 [2020-12-23 08:44:32,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:32,751 INFO L225 Difference]: With dead ends: 235363 [2020-12-23 08:44:32,751 INFO L226 Difference]: Without dead ends: 235125 [2020-12-23 08:44:32,803 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 08:44:32,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235125 states. [2020-12-23 08:44:42,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235125 to 235008. [2020-12-23 08:44:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235008 states. [2020-12-23 08:44:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235008 states to 235008 states and 415518 transitions. [2020-12-23 08:44:43,753 INFO L78 Accepts]: Start accepts. Automaton has 235008 states and 415518 transitions. Word has length 75 [2020-12-23 08:44:43,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:44:43,753 INFO L481 AbstractCegarLoop]: Abstraction has 235008 states and 415518 transitions. [2020-12-23 08:44:43,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 08:44:43,753 INFO L276 IsEmpty]: Start isEmpty. Operand 235008 states and 415518 transitions. [2020-12-23 08:44:43,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:44:43,759 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:44:43,759 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] [2020-12-23 08:44:43,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 08:44:43,759 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:44:43,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:44:43,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1884672362, now seen corresponding path program 1 times [2020-12-23 08:44:43,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:44:43,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044842407] [2020-12-23 08:44:43,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:44:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:44:43,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:44:43,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044842407] [2020-12-23 08:44:43,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:44:43,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:44:43,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753072113] [2020-12-23 08:44:43,939 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:44:43,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:44:43,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:44:43,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:44:43,940 INFO L87 Difference]: Start difference. First operand 235008 states and 415518 transitions. Second operand 10 states. [2020-12-23 08:44:53,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:44:53,247 INFO L93 Difference]: Finished difference Result 235416 states and 416094 transitions. [2020-12-23 08:44:53,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-23 08:44:53,247 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2020-12-23 08:44:53,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:44:53,734 INFO L225 Difference]: With dead ends: 235416 [2020-12-23 08:44:53,734 INFO L226 Difference]: Without dead ends: 235238 [2020-12-23 08:44:53,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-12-23 08:44:54,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235238 states. [2020-12-23 08:45:05,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235238 to 235023. [2020-12-23 08:45:05,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235023 states. [2020-12-23 08:45:07,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235023 states to 235023 states and 415537 transitions. [2020-12-23 08:45:07,201 INFO L78 Accepts]: Start accepts. Automaton has 235023 states and 415537 transitions. Word has length 75 [2020-12-23 08:45:07,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:45:07,203 INFO L481 AbstractCegarLoop]: Abstraction has 235023 states and 415537 transitions. [2020-12-23 08:45:07,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:45:07,203 INFO L276 IsEmpty]: Start isEmpty. Operand 235023 states and 415537 transitions. [2020-12-23 08:45:07,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:45:07,213 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:45:07,213 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:45:07,213 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 08:45:07,213 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:45:07,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:45:07,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1121636669, now seen corresponding path program 1 times [2020-12-23 08:45:07,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:45:07,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681527379] [2020-12-23 08:45:07,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:45:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:45:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:45:07,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681527379] [2020-12-23 08:45:07,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:45:07,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:45:07,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480791694] [2020-12-23 08:45:07,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:45:07,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:45:07,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:45:07,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:45:07,340 INFO L87 Difference]: Start difference. First operand 235023 states and 415537 transitions. Second operand 5 states.