/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_spec6_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:02:42,491 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:02:42,495 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:02:42,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:02:42,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:02:42,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:02:42,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:02:42,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:02:42,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:02:42,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:02:42,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:02:42,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:02:42,585 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:02:42,591 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:02:42,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:02:42,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:02:42,598 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:02:42,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:02:42,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:02:42,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:02:42,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:02:42,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:02:42,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:02:42,623 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:02:42,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:02:42,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:02:42,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:02:42,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:02:42,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:02:42,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:02:42,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:02:42,642 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:02:42,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:02:42,661 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:02:42,662 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:02:42,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:02:42,663 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:02:42,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:02:42,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:02:42,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:02:42,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:02:42,674 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:02:42,721 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:02:42,721 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:02:42,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:02:42,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:02:42,728 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:02:42,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:02:42,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:02:42,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:02:42,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:02:42,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:02:42,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:02:42,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:02:42,731 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:02:42,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:02:42,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:02:42,732 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:02:42,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:02:42,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:02:42,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:02:42,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:02:42,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:02:42,734 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:02:42,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:02:42,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:02:42,735 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:02:42,735 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:02:43,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:02:43,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:02:43,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:02:43,177 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:02:43,178 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:02:43,179 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product16.cil.c [2020-12-23 09:02:43,275 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/37c8f6787/5fa0d750c88d42dfab9af4ba5c3d2ef0/FLAGb5cdc3672 [2020-12-23 09:02:44,034 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:02:44,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product16.cil.c [2020-12-23 09:02:44,059 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/37c8f6787/5fa0d750c88d42dfab9af4ba5c3d2ef0/FLAGb5cdc3672 [2020-12-23 09:02:44,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/37c8f6787/5fa0d750c88d42dfab9af4ba5c3d2ef0 [2020-12-23 09:02:44,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:02:44,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:02:44,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:02:44,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:02:44,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:02:44,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:02:44" (1/1) ... [2020-12-23 09:02:44,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ac60d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:44, skipping insertion in model container [2020-12-23 09:02:44,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:02:44" (1/1) ... [2020-12-23 09:02:44,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:02:44,311 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 09:02:44,877 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_spec6_product16.cil.c[39505,39518] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] 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~29,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:02:45,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:02:45,062 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__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[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 09:02:45,175 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_spec6_product16.cil.c[39505,39518] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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~7,] 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~29,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:02:45,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:02:45,321 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:02:45,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45 WrapperNode [2020-12-23 09:02:45,322 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:02:45,323 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:02:45,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:02:45,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:02:45,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... [2020-12-23 09:02:45,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... [2020-12-23 09:02:45,482 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:02:45,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:02:45,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:02:45,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:02:45,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... [2020-12-23 09:02:45,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... [2020-12-23 09:02:45,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... [2020-12-23 09:02:45,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... [2020-12-23 09:02:45,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... [2020-12-23 09:02:45,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... [2020-12-23 09:02:45,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... [2020-12-23 09:02:45,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:02:45,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:02:45,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:02:45,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:02:45,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:02:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:02:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:02:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:02:48,121 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:02:48,122 INFO L299 CfgBuilder]: Removed 303 assume(true) statements. [2020-12-23 09:02:48,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:02:48 BoogieIcfgContainer [2020-12-23 09:02:48,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:02:48,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:02:48,131 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:02:48,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:02:48,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:02:44" (1/3) ... [2020-12-23 09:02:48,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227025bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:02:48, skipping insertion in model container [2020-12-23 09:02:48,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:45" (2/3) ... [2020-12-23 09:02:48,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227025bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:02:48, skipping insertion in model container [2020-12-23 09:02:48,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:02:48" (3/3) ... [2020-12-23 09:02:48,142 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product16.cil.c [2020-12-23 09:02:48,152 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:02:48,159 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-12-23 09:02:48,178 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-12-23 09:02:48,226 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:02:48,226 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:02:48,226 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:02:48,226 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:02:48,226 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:02:48,226 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:02:48,227 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:02:48,227 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:02:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states. [2020-12-23 09:02:48,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:02:48,274 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:48,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:48,275 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:48,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:48,282 INFO L82 PathProgramCache]: Analyzing trace with hash -286397701, now seen corresponding path program 1 times [2020-12-23 09:02:48,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:48,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112331185] [2020-12-23 09:02:48,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:48,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:48,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:48,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112331185] [2020-12-23 09:02:48,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:48,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:48,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566850360] [2020-12-23 09:02:48,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:48,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:48,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:48,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:48,830 INFO L87 Difference]: Start difference. First operand 465 states. Second operand 3 states. [2020-12-23 09:02:48,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:48,986 INFO L93 Difference]: Finished difference Result 1360 states and 2360 transitions. [2020-12-23 09:02:48,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:48,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-12-23 09:02:48,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:49,032 INFO L225 Difference]: With dead ends: 1360 [2020-12-23 09:02:49,033 INFO L226 Difference]: Without dead ends: 792 [2020-12-23 09:02:49,043 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:49,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2020-12-23 09:02:49,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 405. [2020-12-23 09:02:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 09:02:49,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 701 transitions. [2020-12-23 09:02:49,166 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 701 transitions. Word has length 50 [2020-12-23 09:02:49,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:49,166 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 701 transitions. [2020-12-23 09:02:49,166 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:49,166 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 701 transitions. [2020-12-23 09:02:49,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 09:02:49,177 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:49,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:49,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:02:49,178 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:49,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:49,181 INFO L82 PathProgramCache]: Analyzing trace with hash -957785586, now seen corresponding path program 1 times [2020-12-23 09:02:49,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:49,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184119859] [2020-12-23 09:02:49,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:49,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:49,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184119859] [2020-12-23 09:02:49,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:49,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:02:49,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198626739] [2020-12-23 09:02:49,306 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:02:49,307 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:49,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:02:49,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:02:49,309 INFO L87 Difference]: Start difference. First operand 405 states and 701 transitions. Second operand 5 states. [2020-12-23 09:02:49,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:49,548 INFO L93 Difference]: Finished difference Result 1164 states and 2019 transitions. [2020-12-23 09:02:49,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:02:49,549 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-12-23 09:02:49,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:49,554 INFO L225 Difference]: With dead ends: 1164 [2020-12-23 09:02:49,554 INFO L226 Difference]: Without dead ends: 778 [2020-12-23 09:02:49,556 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:02:49,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-12-23 09:02:49,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 405. [2020-12-23 09:02:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 09:02:49,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 700 transitions. [2020-12-23 09:02:49,590 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 700 transitions. Word has length 52 [2020-12-23 09:02:49,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:49,591 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 700 transitions. [2020-12-23 09:02:49,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:02:49,591 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 700 transitions. [2020-12-23 09:02:49,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 09:02:49,596 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:49,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:49,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:02:49,597 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:49,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:49,599 INFO L82 PathProgramCache]: Analyzing trace with hash 2046040283, now seen corresponding path program 1 times [2020-12-23 09:02:49,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:49,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678304948] [2020-12-23 09:02:49,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:49,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:49,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678304948] [2020-12-23 09:02:49,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:49,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:49,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871120257] [2020-12-23 09:02:49,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:49,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:49,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:49,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:49,788 INFO L87 Difference]: Start difference. First operand 405 states and 700 transitions. Second operand 3 states. [2020-12-23 09:02:49,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:49,828 INFO L93 Difference]: Finished difference Result 792 states and 1374 transitions. [2020-12-23 09:02:49,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:49,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-23 09:02:49,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:49,832 INFO L225 Difference]: With dead ends: 792 [2020-12-23 09:02:49,832 INFO L226 Difference]: Without dead ends: 410 [2020-12-23 09:02:49,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:49,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2020-12-23 09:02:49,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 405. [2020-12-23 09:02:49,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 09:02:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 699 transitions. [2020-12-23 09:02:49,861 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 699 transitions. Word has length 53 [2020-12-23 09:02:49,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:49,869 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 699 transitions. [2020-12-23 09:02:49,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:49,869 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 699 transitions. [2020-12-23 09:02:49,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:02:49,870 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:49,870 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:49,871 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:02:49,871 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:49,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:49,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1595139423, now seen corresponding path program 1 times [2020-12-23 09:02:49,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:49,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552890198] [2020-12-23 09:02:49,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:49,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:49,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552890198] [2020-12-23 09:02:49,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:49,982 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:49,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837164037] [2020-12-23 09:02:49,983 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:49,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:49,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:49,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:49,984 INFO L87 Difference]: Start difference. First operand 405 states and 699 transitions. Second operand 3 states. [2020-12-23 09:02:50,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:50,019 INFO L93 Difference]: Finished difference Result 802 states and 1387 transitions. [2020-12-23 09:02:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:50,020 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-23 09:02:50,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:50,023 INFO L225 Difference]: With dead ends: 802 [2020-12-23 09:02:50,023 INFO L226 Difference]: Without dead ends: 405 [2020-12-23 09:02:50,024 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:50,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2020-12-23 09:02:50,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2020-12-23 09:02:50,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 09:02:50,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 697 transitions. [2020-12-23 09:02:50,047 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 697 transitions. Word has length 54 [2020-12-23 09:02:50,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:50,049 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 697 transitions. [2020-12-23 09:02:50,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:50,050 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 697 transitions. [2020-12-23 09:02:50,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 09:02:50,052 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:50,052 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] [2020-12-23 09:02:50,053 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:02:50,053 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:50,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:50,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1066492086, now seen corresponding path program 1 times [2020-12-23 09:02:50,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:50,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962978270] [2020-12-23 09:02:50,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:50,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962978270] [2020-12-23 09:02:50,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:50,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:02:50,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53184065] [2020-12-23 09:02:50,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:02:50,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:50,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:02:50,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:02:50,182 INFO L87 Difference]: Start difference. First operand 405 states and 697 transitions. Second operand 5 states. [2020-12-23 09:02:50,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:50,352 INFO L93 Difference]: Finished difference Result 1154 states and 1999 transitions. [2020-12-23 09:02:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:02:50,353 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-12-23 09:02:50,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:50,357 INFO L225 Difference]: With dead ends: 1154 [2020-12-23 09:02:50,358 INFO L226 Difference]: Without dead ends: 776 [2020-12-23 09:02:50,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:02:50,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2020-12-23 09:02:50,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 405. [2020-12-23 09:02:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 09:02:50,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 696 transitions. [2020-12-23 09:02:50,383 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 696 transitions. Word has length 55 [2020-12-23 09:02:50,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:50,383 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 696 transitions. [2020-12-23 09:02:50,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:02:50,383 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 696 transitions. [2020-12-23 09:02:50,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 09:02:50,384 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:50,384 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] [2020-12-23 09:02:50,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:02:50,385 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:50,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:50,385 INFO L82 PathProgramCache]: Analyzing trace with hash -754592295, now seen corresponding path program 1 times [2020-12-23 09:02:50,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:50,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005842363] [2020-12-23 09:02:50,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:50,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:50,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005842363] [2020-12-23 09:02:50,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:50,454 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:02:50,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110822555] [2020-12-23 09:02:50,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:02:50,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:50,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:02:50,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:02:50,456 INFO L87 Difference]: Start difference. First operand 405 states and 696 transitions. Second operand 5 states. [2020-12-23 09:02:50,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:50,616 INFO L93 Difference]: Finished difference Result 1159 states and 2004 transitions. [2020-12-23 09:02:50,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:02:50,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-12-23 09:02:50,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:50,622 INFO L225 Difference]: With dead ends: 1159 [2020-12-23 09:02:50,622 INFO L226 Difference]: Without dead ends: 781 [2020-12-23 09:02:50,624 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:02:50,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-12-23 09:02:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 405. [2020-12-23 09:02:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-12-23 09:02:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 695 transitions. [2020-12-23 09:02:50,651 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 695 transitions. Word has length 56 [2020-12-23 09:02:50,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:50,651 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 695 transitions. [2020-12-23 09:02:50,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:02:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 695 transitions. [2020-12-23 09:02:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 09:02:50,653 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:50,653 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] [2020-12-23 09:02:50,653 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:02:50,653 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:50,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:50,654 INFO L82 PathProgramCache]: Analyzing trace with hash -212066575, now seen corresponding path program 1 times [2020-12-23 09:02:50,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:50,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593519424] [2020-12-23 09:02:50,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:50,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:50,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593519424] [2020-12-23 09:02:50,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:50,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:50,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041181813] [2020-12-23 09:02:50,717 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:50,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:50,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:50,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:50,718 INFO L87 Difference]: Start difference. First operand 405 states and 695 transitions. Second operand 3 states. [2020-12-23 09:02:50,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:50,753 INFO L93 Difference]: Finished difference Result 572 states and 966 transitions. [2020-12-23 09:02:50,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:50,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-23 09:02:50,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:50,757 INFO L225 Difference]: With dead ends: 572 [2020-12-23 09:02:50,757 INFO L226 Difference]: Without dead ends: 408 [2020-12-23 09:02:50,759 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:50,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2020-12-23 09:02:50,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 407. [2020-12-23 09:02:50,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2020-12-23 09:02:50,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 697 transitions. [2020-12-23 09:02:50,819 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 697 transitions. Word has length 57 [2020-12-23 09:02:50,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:50,822 INFO L481 AbstractCegarLoop]: Abstraction has 407 states and 697 transitions. [2020-12-23 09:02:50,822 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 697 transitions. [2020-12-23 09:02:50,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-23 09:02:50,823 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:50,824 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:50,824 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:02:50,824 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:50,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:50,825 INFO L82 PathProgramCache]: Analyzing trace with hash 1855965807, now seen corresponding path program 1 times [2020-12-23 09:02:50,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:50,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752403754] [2020-12-23 09:02:50,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:50,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752403754] [2020-12-23 09:02:50,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:50,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:50,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3035649] [2020-12-23 09:02:50,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:50,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:50,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:50,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:50,935 INFO L87 Difference]: Start difference. First operand 407 states and 697 transitions. Second operand 3 states. [2020-12-23 09:02:50,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:50,996 INFO L93 Difference]: Finished difference Result 1107 states and 1915 transitions. [2020-12-23 09:02:50,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:50,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2020-12-23 09:02:50,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:51,002 INFO L225 Difference]: With dead ends: 1107 [2020-12-23 09:02:51,002 INFO L226 Difference]: Without dead ends: 731 [2020-12-23 09:02:51,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:51,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2020-12-23 09:02:51,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 567. [2020-12-23 09:02:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 567 states. [2020-12-23 09:02:51,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 990 transitions. [2020-12-23 09:02:51,043 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 990 transitions. Word has length 63 [2020-12-23 09:02:51,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:51,043 INFO L481 AbstractCegarLoop]: Abstraction has 567 states and 990 transitions. [2020-12-23 09:02:51,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:51,043 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 990 transitions. [2020-12-23 09:02:51,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 09:02:51,045 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:51,045 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:51,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:02:51,045 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:51,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:51,046 INFO L82 PathProgramCache]: Analyzing trace with hash 1730405966, now seen corresponding path program 1 times [2020-12-23 09:02:51,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:51,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129371946] [2020-12-23 09:02:51,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:51,118 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:51,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129371946] [2020-12-23 09:02:51,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476496999] [2020-12-23 09:02:51,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:02:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:51,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:02:51,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:02:51,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:51,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:02:51,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:02:51,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089622780] [2020-12-23 09:02:51,630 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:02:51,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:51,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:02:51,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:02:51,631 INFO L87 Difference]: Start difference. First operand 567 states and 990 transitions. Second operand 5 states. [2020-12-23 09:02:51,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:51,737 INFO L93 Difference]: Finished difference Result 1111 states and 1918 transitions. [2020-12-23 09:02:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:02:51,739 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2020-12-23 09:02:51,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:51,751 INFO L225 Difference]: With dead ends: 1111 [2020-12-23 09:02:51,751 INFO L226 Difference]: Without dead ends: 947 [2020-12-23 09:02:51,754 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:02:51,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 947 states. [2020-12-23 09:02:51,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 947 to 781. [2020-12-23 09:02:51,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2020-12-23 09:02:51,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 1380 transitions. [2020-12-23 09:02:51,845 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 1380 transitions. Word has length 64 [2020-12-23 09:02:51,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:51,845 INFO L481 AbstractCegarLoop]: Abstraction has 781 states and 1380 transitions. [2020-12-23 09:02:51,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:02:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1380 transitions. [2020-12-23 09:02:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 09:02:51,847 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:51,848 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:52,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 09:02:52,062 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:52,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:52,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1416375201, now seen corresponding path program 1 times [2020-12-23 09:02:52,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:52,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666762874] [2020-12-23 09:02:52,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:52,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666762874] [2020-12-23 09:02:52,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:52,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:52,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976625312] [2020-12-23 09:02:52,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:52,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:52,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:52,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:52,133 INFO L87 Difference]: Start difference. First operand 781 states and 1380 transitions. Second operand 3 states. [2020-12-23 09:02:52,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:52,218 INFO L93 Difference]: Finished difference Result 2009 states and 3564 transitions. [2020-12-23 09:02:52,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:52,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 09:02:52,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:52,226 INFO L225 Difference]: With dead ends: 2009 [2020-12-23 09:02:52,226 INFO L226 Difference]: Without dead ends: 1317 [2020-12-23 09:02:52,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:52,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2020-12-23 09:02:52,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1153. [2020-12-23 09:02:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2020-12-23 09:02:52,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2058 transitions. [2020-12-23 09:02:52,302 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2058 transitions. Word has length 70 [2020-12-23 09:02:52,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:52,303 INFO L481 AbstractCegarLoop]: Abstraction has 1153 states and 2058 transitions. [2020-12-23 09:02:52,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2058 transitions. [2020-12-23 09:02:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 09:02:52,312 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:52,312 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:52,312 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:02:52,312 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:52,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:52,313 INFO L82 PathProgramCache]: Analyzing trace with hash 1009486929, now seen corresponding path program 2 times [2020-12-23 09:02:52,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:52,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627612993] [2020-12-23 09:02:52,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:52,447 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627612993] [2020-12-23 09:02:52,447 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:52,447 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:52,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148364860] [2020-12-23 09:02:52,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:52,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:52,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:52,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:52,450 INFO L87 Difference]: Start difference. First operand 1153 states and 2058 transitions. Second operand 3 states. [2020-12-23 09:02:52,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:52,537 INFO L93 Difference]: Finished difference Result 2223 states and 3952 transitions. [2020-12-23 09:02:52,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:52,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 09:02:52,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:52,546 INFO L225 Difference]: With dead ends: 2223 [2020-12-23 09:02:52,546 INFO L226 Difference]: Without dead ends: 1317 [2020-12-23 09:02:52,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:52,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1317 states. [2020-12-23 09:02:52,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1317 to 1153. [2020-12-23 09:02:52,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1153 states. [2020-12-23 09:02:52,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1153 states to 1153 states and 2056 transitions. [2020-12-23 09:02:52,630 INFO L78 Accepts]: Start accepts. Automaton has 1153 states and 2056 transitions. Word has length 71 [2020-12-23 09:02:52,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:52,630 INFO L481 AbstractCegarLoop]: Abstraction has 1153 states and 2056 transitions. [2020-12-23 09:02:52,630 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:52,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 2056 transitions. [2020-12-23 09:02:52,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 09:02:52,633 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:52,633 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:52,633 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:02:52,633 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:52,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:52,634 INFO L82 PathProgramCache]: Analyzing trace with hash 1636893872, now seen corresponding path program 1 times [2020-12-23 09:02:52,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:52,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404558269] [2020-12-23 09:02:52,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:52,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:52,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404558269] [2020-12-23 09:02:52,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:52,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:52,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948144572] [2020-12-23 09:02:52,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:52,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:52,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:52,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:52,715 INFO L87 Difference]: Start difference. First operand 1153 states and 2056 transitions. Second operand 3 states. [2020-12-23 09:02:52,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:52,835 INFO L93 Difference]: Finished difference Result 3097 states and 5547 transitions. [2020-12-23 09:02:52,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:52,836 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2020-12-23 09:02:52,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:52,850 INFO L225 Difference]: With dead ends: 3097 [2020-12-23 09:02:52,851 INFO L226 Difference]: Without dead ends: 2041 [2020-12-23 09:02:52,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:52,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2041 states. [2020-12-23 09:02:53,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2041 to 1877. [2020-12-23 09:02:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1877 states. [2020-12-23 09:02:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1877 states and 3375 transitions. [2020-12-23 09:02:53,028 INFO L78 Accepts]: Start accepts. Automaton has 1877 states and 3375 transitions. Word has length 71 [2020-12-23 09:02:53,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:53,030 INFO L481 AbstractCegarLoop]: Abstraction has 1877 states and 3375 transitions. [2020-12-23 09:02:53,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:53,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1877 states and 3375 transitions. [2020-12-23 09:02:53,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 09:02:53,036 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:53,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:53,036 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:02:53,036 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:53,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:53,037 INFO L82 PathProgramCache]: Analyzing trace with hash 121131235, now seen corresponding path program 1 times [2020-12-23 09:02:53,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:53,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199810682] [2020-12-23 09:02:53,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:53,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:53,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199810682] [2020-12-23 09:02:53,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:53,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:53,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79940541] [2020-12-23 09:02:53,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:53,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:53,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:53,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:53,142 INFO L87 Difference]: Start difference. First operand 1877 states and 3375 transitions. Second operand 3 states. [2020-12-23 09:02:53,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:53,345 INFO L93 Difference]: Finished difference Result 5005 states and 9023 transitions. [2020-12-23 09:02:53,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:53,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 09:02:53,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:53,365 INFO L225 Difference]: With dead ends: 5005 [2020-12-23 09:02:53,365 INFO L226 Difference]: Without dead ends: 3259 [2020-12-23 09:02:53,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:53,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3259 states. [2020-12-23 09:02:53,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3259 to 3095. [2020-12-23 09:02:53,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3095 states. [2020-12-23 09:02:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 5588 transitions. [2020-12-23 09:02:53,637 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 5588 transitions. Word has length 72 [2020-12-23 09:02:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:53,638 INFO L481 AbstractCegarLoop]: Abstraction has 3095 states and 5588 transitions. [2020-12-23 09:02:53,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:53,638 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 5588 transitions. [2020-12-23 09:02:53,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 09:02:53,646 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:53,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:53,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:02:53,647 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:53,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:53,647 INFO L82 PathProgramCache]: Analyzing trace with hash -231881599, now seen corresponding path program 1 times [2020-12-23 09:02:53,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:53,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308226116] [2020-12-23 09:02:53,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:53,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308226116] [2020-12-23 09:02:53,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:53,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:53,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221945812] [2020-12-23 09:02:53,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:53,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:53,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:53,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:53,733 INFO L87 Difference]: Start difference. First operand 3095 states and 5588 transitions. Second operand 3 states. [2020-12-23 09:02:54,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:54,045 INFO L93 Difference]: Finished difference Result 8375 states and 15145 transitions. [2020-12-23 09:02:54,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:54,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 09:02:54,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:54,076 INFO L225 Difference]: With dead ends: 8375 [2020-12-23 09:02:54,076 INFO L226 Difference]: Without dead ends: 5445 [2020-12-23 09:02:54,082 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:54,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5445 states. [2020-12-23 09:02:54,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5445 to 5281. [2020-12-23 09:02:54,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5281 states. [2020-12-23 09:02:54,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 9549 transitions. [2020-12-23 09:02:54,413 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 9549 transitions. Word has length 73 [2020-12-23 09:02:54,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:54,414 INFO L481 AbstractCegarLoop]: Abstraction has 5281 states and 9549 transitions. [2020-12-23 09:02:54,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 9549 transitions. [2020-12-23 09:02:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:02:54,421 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:54,421 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:54,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:02:54,422 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:54,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:54,424 INFO L82 PathProgramCache]: Analyzing trace with hash -702260571, now seen corresponding path program 1 times [2020-12-23 09:02:54,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:54,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961069223] [2020-12-23 09:02:54,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:54,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:02:54,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961069223] [2020-12-23 09:02:54,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:54,512 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:02:54,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258163487] [2020-12-23 09:02:54,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:02:54,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:54,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:02:54,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:02:54,516 INFO L87 Difference]: Start difference. First operand 5281 states and 9549 transitions. Second operand 5 states. [2020-12-23 09:02:55,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:55,308 INFO L93 Difference]: Finished difference Result 15062 states and 27264 transitions. [2020-12-23 09:02:55,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:02:55,309 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2020-12-23 09:02:55,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:55,370 INFO L225 Difference]: With dead ends: 15062 [2020-12-23 09:02:55,370 INFO L226 Difference]: Without dead ends: 10028 [2020-12-23 09:02:55,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:02:55,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10028 states. [2020-12-23 09:02:55,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10028 to 5281. [2020-12-23 09:02:55,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5281 states. [2020-12-23 09:02:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5281 states to 5281 states and 9499 transitions. [2020-12-23 09:02:55,840 INFO L78 Accepts]: Start accepts. Automaton has 5281 states and 9499 transitions. Word has length 74 [2020-12-23 09:02:55,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:55,841 INFO L481 AbstractCegarLoop]: Abstraction has 5281 states and 9499 transitions. [2020-12-23 09:02:55,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:02:55,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5281 states and 9499 transitions. [2020-12-23 09:02:55,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:02:55,850 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:55,850 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:55,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:02:55,851 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:55,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:55,851 INFO L82 PathProgramCache]: Analyzing trace with hash -774199596, now seen corresponding path program 1 times [2020-12-23 09:02:55,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:55,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834425350] [2020-12-23 09:02:55,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:55,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834425350] [2020-12-23 09:02:55,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:55,936 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:55,936 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611900617] [2020-12-23 09:02:55,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:55,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:55,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:55,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:55,937 INFO L87 Difference]: Start difference. First operand 5281 states and 9499 transitions. Second operand 3 states. [2020-12-23 09:02:56,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:56,581 INFO L93 Difference]: Finished difference Result 15259 states and 27492 transitions. [2020-12-23 09:02:56,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:02:56,581 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 09:02:56,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:56,608 INFO L225 Difference]: With dead ends: 15259 [2020-12-23 09:02:56,608 INFO L226 Difference]: Without dead ends: 10151 [2020-12-23 09:02:56,617 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:56,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10151 states. [2020-12-23 09:02:57,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10151 to 9987. [2020-12-23 09:02:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9987 states. [2020-12-23 09:02:57,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9987 states to 9987 states and 17980 transitions. [2020-12-23 09:02:57,281 INFO L78 Accepts]: Start accepts. Automaton has 9987 states and 17980 transitions. Word has length 74 [2020-12-23 09:02:57,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:57,281 INFO L481 AbstractCegarLoop]: Abstraction has 9987 states and 17980 transitions. [2020-12-23 09:02:57,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:02:57,282 INFO L276 IsEmpty]: Start isEmpty. Operand 9987 states and 17980 transitions. [2020-12-23 09:02:57,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 09:02:57,291 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:57,291 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:57,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:02:57,292 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:57,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:57,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1091698400, now seen corresponding path program 1 times [2020-12-23 09:02:57,293 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:57,293 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385544140] [2020-12-23 09:02:57,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:57,556 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:02:57,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385544140] [2020-12-23 09:02:57,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:57,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:02:57,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517146975] [2020-12-23 09:02:57,558 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:02:57,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:57,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:02:57,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:02:57,559 INFO L87 Difference]: Start difference. First operand 9987 states and 17980 transitions. Second operand 9 states. [2020-12-23 09:02:59,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:59,644 INFO L93 Difference]: Finished difference Result 20684 states and 37061 transitions. [2020-12-23 09:02:59,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:02:59,645 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-12-23 09:02:59,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:59,704 INFO L225 Difference]: With dead ends: 20684 [2020-12-23 09:02:59,705 INFO L226 Difference]: Without dead ends: 20540 [2020-12-23 09:02:59,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2020-12-23 09:02:59,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20540 states. [2020-12-23 09:03:00,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20540 to 19759. [2020-12-23 09:03:00,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19759 states. [2020-12-23 09:03:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19759 states to 19759 states and 35602 transitions. [2020-12-23 09:03:00,909 INFO L78 Accepts]: Start accepts. Automaton has 19759 states and 35602 transitions. Word has length 75 [2020-12-23 09:03:00,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:00,910 INFO L481 AbstractCegarLoop]: Abstraction has 19759 states and 35602 transitions. [2020-12-23 09:03:00,910 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:03:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 19759 states and 35602 transitions. [2020-12-23 09:03:00,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:03:00,927 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:00,928 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:00,928 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 09:03:00,928 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:00,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:00,929 INFO L82 PathProgramCache]: Analyzing trace with hash 694822496, now seen corresponding path program 1 times [2020-12-23 09:03:00,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:00,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926147243] [2020-12-23 09:03:00,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:01,060 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:03:01,061 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926147243] [2020-12-23 09:03:01,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:01,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-23 09:03:01,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717716482] [2020-12-23 09:03:01,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:03:01,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:01,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:03:01,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:03:01,063 INFO L87 Difference]: Start difference. First operand 19759 states and 35602 transitions. Second operand 6 states. [2020-12-23 09:03:02,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:02,045 INFO L93 Difference]: Finished difference Result 20037 states and 36048 transitions. [2020-12-23 09:03:02,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:03:02,046 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 76 [2020-12-23 09:03:02,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:02,113 INFO L225 Difference]: With dead ends: 20037 [2020-12-23 09:03:02,113 INFO L226 Difference]: Without dead ends: 19783 [2020-12-23 09:03:02,125 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 09:03:02,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19783 states. [2020-12-23 09:03:03,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19783 to 19747. [2020-12-23 09:03:03,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19747 states. [2020-12-23 09:03:03,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19747 states to 19747 states and 35575 transitions. [2020-12-23 09:03:03,150 INFO L78 Accepts]: Start accepts. Automaton has 19747 states and 35575 transitions. Word has length 76 [2020-12-23 09:03:03,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:03,150 INFO L481 AbstractCegarLoop]: Abstraction has 19747 states and 35575 transitions. [2020-12-23 09:03:03,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:03:03,151 INFO L276 IsEmpty]: Start isEmpty. Operand 19747 states and 35575 transitions. [2020-12-23 09:03:03,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:03:03,166 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:03,166 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:03,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:03:03,167 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:03,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:03,167 INFO L82 PathProgramCache]: Analyzing trace with hash 841887020, now seen corresponding path program 1 times [2020-12-23 09:03:03,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:03,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400986743] [2020-12-23 09:03:03,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:03,278 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:03:03,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400986743] [2020-12-23 09:03:03,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:03,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:03:03,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840792661] [2020-12-23 09:03:03,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:03:03,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:03,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:03:03,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:03:03,281 INFO L87 Difference]: Start difference. First operand 19747 states and 35575 transitions. Second operand 9 states. [2020-12-23 09:03:05,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:05,959 INFO L93 Difference]: Finished difference Result 40621 states and 72920 transitions. [2020-12-23 09:03:05,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-23 09:03:05,960 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-12-23 09:03:05,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:06,078 INFO L225 Difference]: With dead ends: 40621 [2020-12-23 09:03:06,078 INFO L226 Difference]: Without dead ends: 40379 [2020-12-23 09:03:06,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2020-12-23 09:03:06,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40379 states. [2020-12-23 09:03:07,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40379 to 39271. [2020-12-23 09:03:07,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39271 states. [2020-12-23 09:03:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39271 states to 39271 states and 70771 transitions. [2020-12-23 09:03:08,052 INFO L78 Accepts]: Start accepts. Automaton has 39271 states and 70771 transitions. Word has length 76 [2020-12-23 09:03:08,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:08,052 INFO L481 AbstractCegarLoop]: Abstraction has 39271 states and 70771 transitions. [2020-12-23 09:03:08,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:03:08,053 INFO L276 IsEmpty]: Start isEmpty. Operand 39271 states and 70771 transitions. [2020-12-23 09:03:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:03:08,087 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:08,088 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:08,088 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:03:08,088 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:08,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:08,089 INFO L82 PathProgramCache]: Analyzing trace with hash 1060741738, now seen corresponding path program 1 times [2020-12-23 09:03:08,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:08,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802309562] [2020-12-23 09:03:08,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:08,516 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2020-12-23 09:03:08,549 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:08,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802309562] [2020-12-23 09:03:08,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504391686] [2020-12-23 09:03:08,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:03:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:08,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 966 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 09:03:08,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:03:09,077 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:09,077 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:03:09,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-12-23 09:03:09,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585803943] [2020-12-23 09:03:09,078 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:03:09,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:09,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:03:09,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:03:09,079 INFO L87 Difference]: Start difference. First operand 39271 states and 70771 transitions. Second operand 10 states. [2020-12-23 09:03:12,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:12,789 INFO L93 Difference]: Finished difference Result 52539 states and 92525 transitions. [2020-12-23 09:03:12,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-23 09:03:12,790 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 76 [2020-12-23 09:03:12,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:12,921 INFO L225 Difference]: With dead ends: 52539 [2020-12-23 09:03:12,921 INFO L226 Difference]: Without dead ends: 51907 [2020-12-23 09:03:12,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 09:03:12,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51907 states. [2020-12-23 09:03:15,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51907 to 43414. [2020-12-23 09:03:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43414 states. [2020-12-23 09:03:15,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43414 states to 43414 states and 78047 transitions. [2020-12-23 09:03:15,344 INFO L78 Accepts]: Start accepts. Automaton has 43414 states and 78047 transitions. Word has length 76 [2020-12-23 09:03:15,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:15,345 INFO L481 AbstractCegarLoop]: Abstraction has 43414 states and 78047 transitions. [2020-12-23 09:03:15,345 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:03:15,345 INFO L276 IsEmpty]: Start isEmpty. Operand 43414 states and 78047 transitions. [2020-12-23 09:03:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:03:15,372 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:15,372 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:15,587 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:03:15,588 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:15,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:15,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1722107050, now seen corresponding path program 1 times [2020-12-23 09:03:15,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:15,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813556757] [2020-12-23 09:03:15,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:15,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813556757] [2020-12-23 09:03:15,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:15,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:15,656 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541205159] [2020-12-23 09:03:15,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:15,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:15,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:15,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:15,657 INFO L87 Difference]: Start difference. First operand 43414 states and 78047 transitions. Second operand 3 states. [2020-12-23 09:03:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:18,899 INFO L93 Difference]: Finished difference Result 123171 states and 221877 transitions. [2020-12-23 09:03:18,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:18,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 09:03:18,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:19,060 INFO L225 Difference]: With dead ends: 123171 [2020-12-23 09:03:19,060 INFO L226 Difference]: Without dead ends: 81877 [2020-12-23 09:03:19,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:19,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81877 states. [2020-12-23 09:03:23,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81877 to 80795. [2020-12-23 09:03:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80795 states. [2020-12-23 09:03:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80795 states to 80795 states and 145528 transitions. [2020-12-23 09:03:23,235 INFO L78 Accepts]: Start accepts. Automaton has 80795 states and 145528 transitions. Word has length 77 [2020-12-23 09:03:23,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:23,236 INFO L481 AbstractCegarLoop]: Abstraction has 80795 states and 145528 transitions. [2020-12-23 09:03:23,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:23,236 INFO L276 IsEmpty]: Start isEmpty. Operand 80795 states and 145528 transitions. [2020-12-23 09:03:23,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 09:03:23,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:23,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:23,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:03:23,264 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:23,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:23,265 INFO L82 PathProgramCache]: Analyzing trace with hash 34843273, now seen corresponding path program 1 times [2020-12-23 09:03:23,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:23,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659716395] [2020-12-23 09:03:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:23,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659716395] [2020-12-23 09:03:23,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:23,386 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:23,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230482387] [2020-12-23 09:03:23,390 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:23,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:23,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:23,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:23,391 INFO L87 Difference]: Start difference. First operand 80795 states and 145528 transitions. Second operand 3 states. [2020-12-23 09:03:29,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:29,698 INFO L93 Difference]: Finished difference Result 235404 states and 424181 transitions. [2020-12-23 09:03:29,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:29,701 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 09:03:29,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:30,024 INFO L225 Difference]: With dead ends: 235404 [2020-12-23 09:03:30,024 INFO L226 Difference]: Without dead ends: 157024 [2020-12-23 09:03:30,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:30,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157024 states. [2020-12-23 09:03:37,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157024 to 155942. [2020-12-23 09:03:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155942 states. [2020-12-23 09:03:37,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155942 states to 155942 states and 280599 transitions. [2020-12-23 09:03:37,416 INFO L78 Accepts]: Start accepts. Automaton has 155942 states and 280599 transitions. Word has length 78 [2020-12-23 09:03:37,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:37,416 INFO L481 AbstractCegarLoop]: Abstraction has 155942 states and 280599 transitions. [2020-12-23 09:03:37,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 155942 states and 280599 transitions. [2020-12-23 09:03:37,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 09:03:37,437 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:37,437 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:37,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:03:37,437 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:37,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:37,438 INFO L82 PathProgramCache]: Analyzing trace with hash 450788008, now seen corresponding path program 1 times [2020-12-23 09:03:37,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:37,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042200669] [2020-12-23 09:03:37,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:37,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042200669] [2020-12-23 09:03:37,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:37,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:37,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451523838] [2020-12-23 09:03:37,501 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:37,502 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:37,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:37,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:37,502 INFO L87 Difference]: Start difference. First operand 155942 states and 280599 transitions. Second operand 3 states. [2020-12-23 09:03:48,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:48,448 INFO L93 Difference]: Finished difference Result 428573 states and 770194 transitions. [2020-12-23 09:03:48,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:48,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 09:03:48,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:49,110 INFO L225 Difference]: With dead ends: 428573 [2020-12-23 09:03:49,111 INFO L226 Difference]: Without dead ends: 275966 [2020-12-23 09:03:49,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:49,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275966 states. [2020-12-23 09:04:01,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275966 to 274884. [2020-12-23 09:04:01,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 274884 states. [2020-12-23 09:04:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274884 states to 274884 states and 492672 transitions. [2020-12-23 09:04:02,603 INFO L78 Accepts]: Start accepts. Automaton has 274884 states and 492672 transitions. Word has length 79 [2020-12-23 09:04:02,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:04:02,603 INFO L481 AbstractCegarLoop]: Abstraction has 274884 states and 492672 transitions. [2020-12-23 09:04:02,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:04:02,604 INFO L276 IsEmpty]: Start isEmpty. Operand 274884 states and 492672 transitions. [2020-12-23 09:04:02,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 09:04:02,629 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:04:02,629 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:04:02,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:04:02,630 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:04:02,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:04:02,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1390129867, now seen corresponding path program 1 times [2020-12-23 09:04:02,630 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:04:02,630 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690875007] [2020-12-23 09:04:02,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:04:02,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:04:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:04:02,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690875007] [2020-12-23 09:04:02,707 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:04:02,708 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:04:02,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338626574] [2020-12-23 09:04:02,708 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:04:02,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:04:02,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:04:02,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:04:02,709 INFO L87 Difference]: Start difference. First operand 274884 states and 492672 transitions. Second operand 3 states. [2020-12-23 09:04:24,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:04:24,071 INFO L93 Difference]: Finished difference Result 805317 states and 1443668 transitions. [2020-12-23 09:04:24,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:04:24,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-23 09:04:24,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:04:25,614 INFO L225 Difference]: With dead ends: 805317 [2020-12-23 09:04:25,614 INFO L226 Difference]: Without dead ends: 534413 [2020-12-23 09:04:25,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:04:26,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534413 states.