/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec27_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:51:43,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:51:43,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:51:43,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:51:43,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:51:43,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:51:43,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:51:43,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:51:43,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:51:43,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:51:43,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:51:43,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:51:43,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:51:43,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:51:43,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:51:43,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:51:43,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:51:43,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:51:43,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:51:43,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:51:43,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:51:43,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:51:43,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:51:43,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:51:43,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:51:43,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:51:43,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:51:43,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:51:43,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:51:43,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:51:43,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:51:43,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:51:43,229 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:51:43,230 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:51:43,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:51:43,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:51:43,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:51:43,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:51:43,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:51:43,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:51:43,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:51:43,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:51:43,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:51:43,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:51:43,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:51:43,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:51:43,276 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:51:43,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:51:43,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:51:43,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:51:43,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:51:43,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:51:43,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:51:43,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:51:43,278 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:51:43,278 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:51:43,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:51:43,279 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:51:43,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:51:43,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:51:43,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:51:43,279 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:51:43,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:51:43,280 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:51:43,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:51:43,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:51:43,280 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:51:43,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:51:43,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:51:43,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:51:43,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:51:43,708 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:51:43,709 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:51:43,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product23.cil.c [2020-12-23 08:51:43,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/870c5ad58/4150a7c2ea524ab9bfe9af112a80e497/FLAG72a21866f [2020-12-23 08:51:44,550 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:51:44,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product23.cil.c [2020-12-23 08:51:44,584 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/870c5ad58/4150a7c2ea524ab9bfe9af112a80e497/FLAG72a21866f [2020-12-23 08:51:44,770 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/870c5ad58/4150a7c2ea524ab9bfe9af112a80e497 [2020-12-23 08:51:44,774 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:51:44,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:51:44,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:44,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:51:44,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:51:44,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:44" (1/1) ... [2020-12-23 08:51:44,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4acb646b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:44, skipping insertion in model container [2020-12-23 08:51:44,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:51:44" (1/1) ... [2020-12-23 08:51:44,804 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:51:44,904 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[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~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~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 08:51:45,492 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product23.cil.c[46407,46420] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:51:45,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:45,605 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[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~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~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 08:51:45,794 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product23.cil.c[46407,46420] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] 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~16,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2020-12-23 08:51:45,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:51:45,938 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:51:45,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45 WrapperNode [2020-12-23 08:51:45,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:51:45,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:45,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:51:45,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:51:45,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (1/1) ... [2020-12-23 08:51:45,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (1/1) ... [2020-12-23 08:51:46,164 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:51:46,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:51:46,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:51:46,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:51:46,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (1/1) ... [2020-12-23 08:51:46,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (1/1) ... [2020-12-23 08:51:46,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (1/1) ... [2020-12-23 08:51:46,205 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (1/1) ... [2020-12-23 08:51:46,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (1/1) ... [2020-12-23 08:51:46,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (1/1) ... [2020-12-23 08:51:46,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (1/1) ... [2020-12-23 08:51:46,457 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:51:46,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:51:46,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:51:46,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:51:46,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (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 08:51:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:51:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:51:46,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:51:46,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:51:46,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:51:49,744 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:51:49,745 INFO L299 CfgBuilder]: Removed 525 assume(true) statements. [2020-12-23 08:51:49,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:49 BoogieIcfgContainer [2020-12-23 08:51:49,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:51:49,754 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:51:49,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:51:49,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:51:49,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:51:44" (1/3) ... [2020-12-23 08:51:49,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d53f2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:49, skipping insertion in model container [2020-12-23 08:51:49,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:51:45" (2/3) ... [2020-12-23 08:51:49,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d53f2a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:51:49, skipping insertion in model container [2020-12-23 08:51:49,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:51:49" (3/3) ... [2020-12-23 08:51:49,765 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec27_product23.cil.c [2020-12-23 08:51:49,772 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:51:49,778 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 08:51:49,799 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 08:51:49,864 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:51:49,864 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:51:49,864 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:51:49,864 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:51:49,864 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:51:49,864 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:51:49,865 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:51:49,865 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:51:49,907 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states. [2020-12-23 08:51:49,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 08:51:49,932 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:49,934 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:49,934 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:49,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:49,940 INFO L82 PathProgramCache]: Analyzing trace with hash 113080012, now seen corresponding path program 1 times [2020-12-23 08:51:49,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:49,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873960742] [2020-12-23 08:51:49,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:50,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:50,499 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873960742] [2020-12-23 08:51:50,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:50,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:50,501 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687272578] [2020-12-23 08:51:50,508 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:50,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:50,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:50,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:50,529 INFO L87 Difference]: Start difference. First operand 852 states. Second operand 3 states. [2020-12-23 08:51:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:50,733 INFO L93 Difference]: Finished difference Result 2521 states and 4430 transitions. [2020-12-23 08:51:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:50,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2020-12-23 08:51:50,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:50,794 INFO L225 Difference]: With dead ends: 2521 [2020-12-23 08:51:50,795 INFO L226 Difference]: Without dead ends: 1624 [2020-12-23 08:51:50,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:50,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2020-12-23 08:51:50,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 821. [2020-12-23 08:51:50,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-12-23 08:51:50,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1433 transitions. [2020-12-23 08:51:50,945 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1433 transitions. Word has length 51 [2020-12-23 08:51:50,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:50,946 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1433 transitions. [2020-12-23 08:51:50,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:50,946 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1433 transitions. [2020-12-23 08:51:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 08:51:50,950 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:50,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:50,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:51:50,952 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:50,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:50,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1245073710, now seen corresponding path program 1 times [2020-12-23 08:51:50,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:50,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529311267] [2020-12-23 08:51:50,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:51,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:51,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529311267] [2020-12-23 08:51:51,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:51,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:51,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780712255] [2020-12-23 08:51:51,126 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:51,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:51,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:51,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:51,128 INFO L87 Difference]: Start difference. First operand 821 states and 1433 transitions. Second operand 5 states. [2020-12-23 08:51:51,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:51,359 INFO L93 Difference]: Finished difference Result 2412 states and 4215 transitions. [2020-12-23 08:51:51,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:51:51,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-12-23 08:51:51,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:51,418 INFO L225 Difference]: With dead ends: 2412 [2020-12-23 08:51:51,418 INFO L226 Difference]: Without dead ends: 1610 [2020-12-23 08:51:51,421 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:51:51,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2020-12-23 08:51:51,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 821. [2020-12-23 08:51:51,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-12-23 08:51:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1432 transitions. [2020-12-23 08:51:51,469 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1432 transitions. Word has length 53 [2020-12-23 08:51:51,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:51,470 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1432 transitions. [2020-12-23 08:51:51,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1432 transitions. [2020-12-23 08:51:51,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 08:51:51,476 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:51,477 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:51,477 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:51:51,478 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:51,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:51,480 INFO L82 PathProgramCache]: Analyzing trace with hash -125604863, now seen corresponding path program 1 times [2020-12-23 08:51:51,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:51,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613596155] [2020-12-23 08:51:51,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:51,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:51,650 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613596155] [2020-12-23 08:51:51,650 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:51,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:51,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588028489] [2020-12-23 08:51:51,651 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:51,651 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:51,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:51,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:51,652 INFO L87 Difference]: Start difference. First operand 821 states and 1432 transitions. Second operand 3 states. [2020-12-23 08:51:51,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:51,726 INFO L93 Difference]: Finished difference Result 1624 states and 2838 transitions. [2020-12-23 08:51:51,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:51,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-23 08:51:51,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:51,732 INFO L225 Difference]: With dead ends: 1624 [2020-12-23 08:51:51,733 INFO L226 Difference]: Without dead ends: 826 [2020-12-23 08:51:51,735 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:51,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2020-12-23 08:51:51,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 821. [2020-12-23 08:51:51,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-12-23 08:51:51,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1431 transitions. [2020-12-23 08:51:51,778 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1431 transitions. Word has length 54 [2020-12-23 08:51:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:51,785 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1431 transitions. [2020-12-23 08:51:51,785 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1431 transitions. [2020-12-23 08:51:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 08:51:51,787 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:51,788 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 08:51:51,788 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:51:51,788 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:51,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:51,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1333026053, now seen corresponding path program 1 times [2020-12-23 08:51:51,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:51,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484836563] [2020-12-23 08:51:51,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:51,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484836563] [2020-12-23 08:51:51,902 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:51,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:51,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086846269] [2020-12-23 08:51:51,903 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:51,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:51,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:51,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:51,905 INFO L87 Difference]: Start difference. First operand 821 states and 1431 transitions. Second operand 3 states. [2020-12-23 08:51:51,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:51,970 INFO L93 Difference]: Finished difference Result 1634 states and 2851 transitions. [2020-12-23 08:51:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:51,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 55 [2020-12-23 08:51:51,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:51,976 INFO L225 Difference]: With dead ends: 1634 [2020-12-23 08:51:51,976 INFO L226 Difference]: Without dead ends: 821 [2020-12-23 08:51:51,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:51,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2020-12-23 08:51:52,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2020-12-23 08:51:52,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-12-23 08:51:52,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1429 transitions. [2020-12-23 08:51:52,016 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1429 transitions. Word has length 55 [2020-12-23 08:51:52,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:52,019 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1429 transitions. [2020-12-23 08:51:52,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:52,019 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1429 transitions. [2020-12-23 08:51:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 08:51:52,023 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:52,023 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 08:51:52,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:51:52,024 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:52,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:52,024 INFO L82 PathProgramCache]: Analyzing trace with hash -426827898, now seen corresponding path program 1 times [2020-12-23 08:51:52,025 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:52,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311072660] [2020-12-23 08:51:52,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:52,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:52,158 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311072660] [2020-12-23 08:51:52,158 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:52,158 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:52,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320554414] [2020-12-23 08:51:52,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:52,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:52,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:52,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:52,162 INFO L87 Difference]: Start difference. First operand 821 states and 1429 transitions. Second operand 5 states. [2020-12-23 08:51:52,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:52,442 INFO L93 Difference]: Finished difference Result 2402 states and 4195 transitions. [2020-12-23 08:51:52,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:52,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2020-12-23 08:51:52,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:52,454 INFO L225 Difference]: With dead ends: 2402 [2020-12-23 08:51:52,454 INFO L226 Difference]: Without dead ends: 1608 [2020-12-23 08:51:52,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:52,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states. [2020-12-23 08:51:52,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 821. [2020-12-23 08:51:52,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-12-23 08:51:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1428 transitions. [2020-12-23 08:51:52,511 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1428 transitions. Word has length 56 [2020-12-23 08:51:52,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:52,512 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1428 transitions. [2020-12-23 08:51:52,512 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1428 transitions. [2020-12-23 08:51:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 08:51:52,514 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:52,514 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 08:51:52,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:51:52,515 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:52,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:52,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1045868861, now seen corresponding path program 1 times [2020-12-23 08:51:52,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:52,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234197444] [2020-12-23 08:51:52,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:52,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234197444] [2020-12-23 08:51:52,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:52,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:52,610 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940649239] [2020-12-23 08:51:52,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:52,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:52,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:52,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:52,611 INFO L87 Difference]: Start difference. First operand 821 states and 1428 transitions. Second operand 5 states. [2020-12-23 08:51:52,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:52,851 INFO L93 Difference]: Finished difference Result 2407 states and 4200 transitions. [2020-12-23 08:51:52,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:52,852 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-23 08:51:52,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:52,862 INFO L225 Difference]: With dead ends: 2407 [2020-12-23 08:51:52,862 INFO L226 Difference]: Without dead ends: 1613 [2020-12-23 08:51:52,865 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:52,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1613 states. [2020-12-23 08:51:52,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1613 to 821. [2020-12-23 08:51:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2020-12-23 08:51:52,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1427 transitions. [2020-12-23 08:51:52,914 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1427 transitions. Word has length 57 [2020-12-23 08:51:52,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:52,915 INFO L481 AbstractCegarLoop]: Abstraction has 821 states and 1427 transitions. [2020-12-23 08:51:52,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:52,915 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1427 transitions. [2020-12-23 08:51:52,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:51:52,917 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:52,917 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] [2020-12-23 08:51:52,917 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:51:52,918 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:52,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:52,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1407440725, now seen corresponding path program 1 times [2020-12-23 08:51:52,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:52,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91459988] [2020-12-23 08:51:52,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:53,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91459988] [2020-12-23 08:51:53,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:53,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:53,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162439775] [2020-12-23 08:51:53,024 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:53,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:53,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:53,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:53,025 INFO L87 Difference]: Start difference. First operand 821 states and 1427 transitions. Second operand 3 states. [2020-12-23 08:51:53,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:53,079 INFO L93 Difference]: Finished difference Result 1361 states and 2348 transitions. [2020-12-23 08:51:53,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:53,080 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:51:53,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:53,085 INFO L225 Difference]: With dead ends: 1361 [2020-12-23 08:51:53,085 INFO L226 Difference]: Without dead ends: 824 [2020-12-23 08:51:53,087 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:53,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2020-12-23 08:51:53,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 823. [2020-12-23 08:51:53,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2020-12-23 08:51:53,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1429 transitions. [2020-12-23 08:51:53,139 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1429 transitions. Word has length 58 [2020-12-23 08:51:53,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:53,141 INFO L481 AbstractCegarLoop]: Abstraction has 823 states and 1429 transitions. [2020-12-23 08:51:53,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:53,142 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1429 transitions. [2020-12-23 08:51:53,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:51:53,143 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:53,143 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:53,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:51:53,144 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:53,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:53,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1670596349, now seen corresponding path program 1 times [2020-12-23 08:51:53,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:53,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234491507] [2020-12-23 08:51:53,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:53,212 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234491507] [2020-12-23 08:51:53,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:53,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:53,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264343470] [2020-12-23 08:51:53,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:53,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:53,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:53,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:53,214 INFO L87 Difference]: Start difference. First operand 823 states and 1429 transitions. Second operand 3 states. [2020-12-23 08:51:53,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:53,319 INFO L93 Difference]: Finished difference Result 2355 states and 4111 transitions. [2020-12-23 08:51:53,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:53,320 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 08:51:53,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:53,329 INFO L225 Difference]: With dead ends: 2355 [2020-12-23 08:51:53,329 INFO L226 Difference]: Without dead ends: 1563 [2020-12-23 08:51:53,333 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:53,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1563 states. [2020-12-23 08:51:53,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1563 to 1026. [2020-12-23 08:51:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-12-23 08:51:53,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1804 transitions. [2020-12-23 08:51:53,403 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1804 transitions. Word has length 66 [2020-12-23 08:51:53,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:53,404 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 1804 transitions. [2020-12-23 08:51:53,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:53,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1804 transitions. [2020-12-23 08:51:53,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:51:53,407 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:53,407 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:53,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:51:53,408 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:53,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:53,412 INFO L82 PathProgramCache]: Analyzing trace with hash 2033887934, now seen corresponding path program 1 times [2020-12-23 08:51:53,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:53,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037021036] [2020-12-23 08:51:53,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:53,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:53,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037021036] [2020-12-23 08:51:53,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:53,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:51:53,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122092825] [2020-12-23 08:51:53,528 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:53,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:53,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:53,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:53,530 INFO L87 Difference]: Start difference. First operand 1026 states and 1804 transitions. Second operand 5 states. [2020-12-23 08:51:53,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:53,825 INFO L93 Difference]: Finished difference Result 3008 states and 5318 transitions. [2020-12-23 08:51:53,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:51:53,825 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2020-12-23 08:51:53,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:53,837 INFO L225 Difference]: With dead ends: 3008 [2020-12-23 08:51:53,837 INFO L226 Difference]: Without dead ends: 2013 [2020-12-23 08:51:53,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:51:53,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2020-12-23 08:51:53,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1026. [2020-12-23 08:51:53,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1026 states. [2020-12-23 08:51:53,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 1026 states and 1802 transitions. [2020-12-23 08:51:53,916 INFO L78 Accepts]: Start accepts. Automaton has 1026 states and 1802 transitions. Word has length 67 [2020-12-23 08:51:53,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:53,917 INFO L481 AbstractCegarLoop]: Abstraction has 1026 states and 1802 transitions. [2020-12-23 08:51:53,917 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:53,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1802 transitions. [2020-12-23 08:51:53,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:51:53,925 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:53,925 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:53,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:51:53,925 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:53,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:53,926 INFO L82 PathProgramCache]: Analyzing trace with hash -505639545, now seen corresponding path program 1 times [2020-12-23 08:51:53,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:53,927 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610605053] [2020-12-23 08:51:53,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:54,006 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610605053] [2020-12-23 08:51:54,006 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:54,006 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:54,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750050913] [2020-12-23 08:51:54,007 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:54,007 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:54,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:54,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:54,008 INFO L87 Difference]: Start difference. First operand 1026 states and 1802 transitions. Second operand 3 states. [2020-12-23 08:51:54,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:54,145 INFO L93 Difference]: Finished difference Result 3006 states and 5310 transitions. [2020-12-23 08:51:54,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:54,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:51:54,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:54,158 INFO L225 Difference]: With dead ends: 3006 [2020-12-23 08:51:54,158 INFO L226 Difference]: Without dead ends: 2011 [2020-12-23 08:51:54,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:54,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2020-12-23 08:51:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1474. [2020-12-23 08:51:54,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1474 states. [2020-12-23 08:51:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1474 states to 1474 states and 2629 transitions. [2020-12-23 08:51:54,260 INFO L78 Accepts]: Start accepts. Automaton has 1474 states and 2629 transitions. Word has length 68 [2020-12-23 08:51:54,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:54,260 INFO L481 AbstractCegarLoop]: Abstraction has 1474 states and 2629 transitions. [2020-12-23 08:51:54,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 2629 transitions. [2020-12-23 08:51:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:51:54,263 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:54,263 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:54,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:51:54,264 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:54,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:54,264 INFO L82 PathProgramCache]: Analyzing trace with hash -939332823, now seen corresponding path program 1 times [2020-12-23 08:51:54,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:54,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924024719] [2020-12-23 08:51:54,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:54,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:54,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924024719] [2020-12-23 08:51:54,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221816831] [2020-12-23 08:51:54,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:51:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:54,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:51:54,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:51:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:54,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:51:54,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:51:54,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181852574] [2020-12-23 08:51:54,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:51:54,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:54,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:51:54,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:54,884 INFO L87 Difference]: Start difference. First operand 1474 states and 2629 transitions. Second operand 5 states. [2020-12-23 08:51:55,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:55,078 INFO L93 Difference]: Finished difference Result 2810 states and 4941 transitions. [2020-12-23 08:51:55,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:51:55,079 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2020-12-23 08:51:55,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:55,093 INFO L225 Difference]: With dead ends: 2810 [2020-12-23 08:51:55,093 INFO L226 Difference]: Without dead ends: 2273 [2020-12-23 08:51:55,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:51:55,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2020-12-23 08:51:55,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 1733. [2020-12-23 08:51:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2020-12-23 08:51:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 3101 transitions. [2020-12-23 08:51:55,233 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 3101 transitions. Word has length 68 [2020-12-23 08:51:55,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:55,234 INFO L481 AbstractCegarLoop]: Abstraction has 1733 states and 3101 transitions. [2020-12-23 08:51:55,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:51:55,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 3101 transitions. [2020-12-23 08:51:55,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 08:51:55,237 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:55,238 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:55,453 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:51:55,454 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:55,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:55,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1772993076, now seen corresponding path program 1 times [2020-12-23 08:51:55,454 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:55,455 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30601287] [2020-12-23 08:51:55,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:55,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:55,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30601287] [2020-12-23 08:51:55,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:55,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:55,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918561682] [2020-12-23 08:51:55,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:55,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:55,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:55,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:55,534 INFO L87 Difference]: Start difference. First operand 1733 states and 3101 transitions. Second operand 3 states. [2020-12-23 08:51:55,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:55,711 INFO L93 Difference]: Finished difference Result 4790 states and 8595 transitions. [2020-12-23 08:51:55,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:55,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2020-12-23 08:51:55,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:55,729 INFO L225 Difference]: With dead ends: 4790 [2020-12-23 08:51:55,730 INFO L226 Difference]: Without dead ends: 3158 [2020-12-23 08:51:55,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:55,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3158 states. [2020-12-23 08:51:55,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3158 to 2621. [2020-12-23 08:51:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2621 states. [2020-12-23 08:51:55,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2621 states to 2621 states and 4734 transitions. [2020-12-23 08:51:55,972 INFO L78 Accepts]: Start accepts. Automaton has 2621 states and 4734 transitions. Word has length 72 [2020-12-23 08:51:55,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:55,973 INFO L481 AbstractCegarLoop]: Abstraction has 2621 states and 4734 transitions. [2020-12-23 08:51:55,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 2621 states and 4734 transitions. [2020-12-23 08:51:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 08:51:55,980 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:55,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:55,980 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:51:55,981 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:55,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:55,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1452296116, now seen corresponding path program 1 times [2020-12-23 08:51:55,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:55,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750696317] [2020-12-23 08:51:55,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:56,072 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750696317] [2020-12-23 08:51:56,072 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:56,073 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:56,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407490384] [2020-12-23 08:51:56,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:56,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:56,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:56,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:56,080 INFO L87 Difference]: Start difference. First operand 2621 states and 4734 transitions. Second operand 3 states. [2020-12-23 08:51:56,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:56,336 INFO L93 Difference]: Finished difference Result 7190 states and 13013 transitions. [2020-12-23 08:51:56,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:56,337 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 08:51:56,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:56,380 INFO L225 Difference]: With dead ends: 7190 [2020-12-23 08:51:56,380 INFO L226 Difference]: Without dead ends: 4704 [2020-12-23 08:51:56,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:56,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4704 states. [2020-12-23 08:51:56,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4704 to 4167. [2020-12-23 08:51:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4167 states. [2020-12-23 08:51:56,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4167 states to 4167 states and 7575 transitions. [2020-12-23 08:51:56,680 INFO L78 Accepts]: Start accepts. Automaton has 4167 states and 7575 transitions. Word has length 73 [2020-12-23 08:51:56,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:56,680 INFO L481 AbstractCegarLoop]: Abstraction has 4167 states and 7575 transitions. [2020-12-23 08:51:56,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:56,680 INFO L276 IsEmpty]: Start isEmpty. Operand 4167 states and 7575 transitions. [2020-12-23 08:51:56,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 08:51:56,689 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:56,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:56,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:51:56,690 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:56,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:56,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1800107397, now seen corresponding path program 1 times [2020-12-23 08:51:56,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:56,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938213726] [2020-12-23 08:51:56,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:56,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:56,765 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938213726] [2020-12-23 08:51:56,766 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:56,766 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:56,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678088328] [2020-12-23 08:51:56,767 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:56,767 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:56,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:56,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:56,768 INFO L87 Difference]: Start difference. First operand 4167 states and 7575 transitions. Second operand 3 states. [2020-12-23 08:51:57,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:57,240 INFO L93 Difference]: Finished difference Result 11544 states and 21019 transitions. [2020-12-23 08:51:57,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:57,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 08:51:57,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:57,266 INFO L225 Difference]: With dead ends: 11544 [2020-12-23 08:51:57,266 INFO L226 Difference]: Without dead ends: 7546 [2020-12-23 08:51:57,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:57,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7546 states. [2020-12-23 08:51:57,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7546 to 7009. [2020-12-23 08:51:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7009 states. [2020-12-23 08:51:57,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7009 states to 7009 states and 12792 transitions. [2020-12-23 08:51:57,760 INFO L78 Accepts]: Start accepts. Automaton has 7009 states and 12792 transitions. Word has length 74 [2020-12-23 08:51:57,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:57,760 INFO L481 AbstractCegarLoop]: Abstraction has 7009 states and 12792 transitions. [2020-12-23 08:51:57,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:57,760 INFO L276 IsEmpty]: Start isEmpty. Operand 7009 states and 12792 transitions. [2020-12-23 08:51:57,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 08:51:57,770 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:57,770 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:57,770 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:51:57,770 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:57,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:57,771 INFO L82 PathProgramCache]: Analyzing trace with hash 613573147, now seen corresponding path program 1 times [2020-12-23 08:51:57,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:57,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847344965] [2020-12-23 08:51:57,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:57,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:57,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847344965] [2020-12-23 08:51:57,852 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:57,852 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:57,852 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430549691] [2020-12-23 08:51:57,853 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:57,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:57,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:57,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:57,854 INFO L87 Difference]: Start difference. First operand 7009 states and 12792 transitions. Second operand 3 states. [2020-12-23 08:51:58,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:51:58,563 INFO L93 Difference]: Finished difference Result 20528 states and 37512 transitions. [2020-12-23 08:51:58,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:51:58,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 08:51:58,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:51:58,604 INFO L225 Difference]: With dead ends: 20528 [2020-12-23 08:51:58,604 INFO L226 Difference]: Without dead ends: 13692 [2020-12-23 08:51:58,617 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 08:51:58,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13692 states. [2020-12-23 08:51:59,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13692 to 13155. [2020-12-23 08:51:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13155 states. [2020-12-23 08:51:59,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13155 states to 13155 states and 24057 transitions. [2020-12-23 08:51:59,518 INFO L78 Accepts]: Start accepts. Automaton has 13155 states and 24057 transitions. Word has length 75 [2020-12-23 08:51:59,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:51:59,518 INFO L481 AbstractCegarLoop]: Abstraction has 13155 states and 24057 transitions. [2020-12-23 08:51:59,518 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:51:59,518 INFO L276 IsEmpty]: Start isEmpty. Operand 13155 states and 24057 transitions. [2020-12-23 08:51:59,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 08:51:59,529 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:51:59,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:51:59,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:51:59,530 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:51:59,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:51:59,531 INFO L82 PathProgramCache]: Analyzing trace with hash -60596052, now seen corresponding path program 1 times [2020-12-23 08:51:59,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:51:59,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009337650] [2020-12-23 08:51:59,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:51:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:51:59,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:51:59,594 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009337650] [2020-12-23 08:51:59,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:51:59,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:51:59,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218976574] [2020-12-23 08:51:59,595 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:51:59,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:51:59,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:51:59,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:51:59,596 INFO L87 Difference]: Start difference. First operand 13155 states and 24057 transitions. Second operand 3 states. [2020-12-23 08:52:00,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:00,946 INFO L93 Difference]: Finished difference Result 38668 states and 70782 transitions. [2020-12-23 08:52:00,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:00,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 08:52:00,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:01,021 INFO L225 Difference]: With dead ends: 38668 [2020-12-23 08:52:01,022 INFO L226 Difference]: Without dead ends: 25694 [2020-12-23 08:52:01,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:01,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25694 states. [2020-12-23 08:52:02,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25694 to 25157. [2020-12-23 08:52:02,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25157 states. [2020-12-23 08:52:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25157 states to 25157 states and 46042 transitions. [2020-12-23 08:52:02,531 INFO L78 Accepts]: Start accepts. Automaton has 25157 states and 46042 transitions. Word has length 76 [2020-12-23 08:52:02,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:02,531 INFO L481 AbstractCegarLoop]: Abstraction has 25157 states and 46042 transitions. [2020-12-23 08:52:02,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:02,532 INFO L276 IsEmpty]: Start isEmpty. Operand 25157 states and 46042 transitions. [2020-12-23 08:52:02,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 08:52:02,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:02,570 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:02,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:52:02,571 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:02,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:02,571 INFO L82 PathProgramCache]: Analyzing trace with hash -721109991, now seen corresponding path program 1 times [2020-12-23 08:52:02,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:02,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602870402] [2020-12-23 08:52:02,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:02,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:02,660 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602870402] [2020-12-23 08:52:02,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:02,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:02,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586768879] [2020-12-23 08:52:02,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:02,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:02,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:02,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:02,662 INFO L87 Difference]: Start difference. First operand 25157 states and 46042 transitions. Second operand 3 states. [2020-12-23 08:52:04,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:04,896 INFO L93 Difference]: Finished difference Result 69313 states and 126473 transitions. [2020-12-23 08:52:04,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:04,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 08:52:04,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:05,049 INFO L225 Difference]: With dead ends: 69313 [2020-12-23 08:52:05,049 INFO L226 Difference]: Without dead ends: 44384 [2020-12-23 08:52:05,096 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:05,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44384 states. [2020-12-23 08:52:07,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44384 to 43847. [2020-12-23 08:52:07,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43847 states. [2020-12-23 08:52:07,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43847 states to 43847 states and 79771 transitions. [2020-12-23 08:52:07,183 INFO L78 Accepts]: Start accepts. Automaton has 43847 states and 79771 transitions. Word has length 77 [2020-12-23 08:52:07,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:07,183 INFO L481 AbstractCegarLoop]: Abstraction has 43847 states and 79771 transitions. [2020-12-23 08:52:07,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:07,184 INFO L276 IsEmpty]: Start isEmpty. Operand 43847 states and 79771 transitions. [2020-12-23 08:52:07,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:52:07,202 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:07,202 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:07,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:52:07,203 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:07,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:07,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1850264197, now seen corresponding path program 1 times [2020-12-23 08:52:07,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:07,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507663] [2020-12-23 08:52:07,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:52:07,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507663] [2020-12-23 08:52:07,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:07,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:52:07,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931806801] [2020-12-23 08:52:07,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:52:07,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:07,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:52:07,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:52:07,498 INFO L87 Difference]: Start difference. First operand 43847 states and 79771 transitions. Second operand 5 states. [2020-12-23 08:52:10,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:10,491 INFO L93 Difference]: Finished difference Result 129158 states and 234962 transitions. [2020-12-23 08:52:10,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 08:52:10,491 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2020-12-23 08:52:10,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:10,756 INFO L225 Difference]: With dead ends: 129158 [2020-12-23 08:52:10,756 INFO L226 Difference]: Without dead ends: 85607 [2020-12-23 08:52:10,868 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:52:10,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85607 states. [2020-12-23 08:52:13,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85607 to 43847. [2020-12-23 08:52:13,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43847 states. [2020-12-23 08:52:13,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43847 states to 43847 states and 79513 transitions. [2020-12-23 08:52:13,366 INFO L78 Accepts]: Start accepts. Automaton has 43847 states and 79513 transitions. Word has length 78 [2020-12-23 08:52:13,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:13,366 INFO L481 AbstractCegarLoop]: Abstraction has 43847 states and 79513 transitions. [2020-12-23 08:52:13,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:52:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 43847 states and 79513 transitions. [2020-12-23 08:52:13,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:52:13,380 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:13,380 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:13,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 08:52:13,381 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:13,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:13,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1416570919, now seen corresponding path program 2 times [2020-12-23 08:52:13,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:13,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165638020] [2020-12-23 08:52:13,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:13,445 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:13,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165638020] [2020-12-23 08:52:13,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:13,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:13,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088953931] [2020-12-23 08:52:13,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:13,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:13,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:13,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:13,447 INFO L87 Difference]: Start difference. First operand 43847 states and 79513 transitions. Second operand 3 states. [2020-12-23 08:52:15,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:15,207 INFO L93 Difference]: Finished difference Result 87929 states and 159427 transitions. [2020-12-23 08:52:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:15,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 08:52:15,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:15,310 INFO L225 Difference]: With dead ends: 87929 [2020-12-23 08:52:15,311 INFO L226 Difference]: Without dead ends: 44384 [2020-12-23 08:52:15,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:15,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44384 states. [2020-12-23 08:52:16,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44384 to 43847. [2020-12-23 08:52:16,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43847 states. [2020-12-23 08:52:17,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43847 states to 43847 states and 79385 transitions. [2020-12-23 08:52:17,168 INFO L78 Accepts]: Start accepts. Automaton has 43847 states and 79385 transitions. Word has length 78 [2020-12-23 08:52:17,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:17,168 INFO L481 AbstractCegarLoop]: Abstraction has 43847 states and 79385 transitions. [2020-12-23 08:52:17,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:17,169 INFO L276 IsEmpty]: Start isEmpty. Operand 43847 states and 79385 transitions. [2020-12-23 08:52:17,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 08:52:17,182 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:17,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:17,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 08:52:17,183 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:17,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:17,183 INFO L82 PathProgramCache]: Analyzing trace with hash -495907046, now seen corresponding path program 1 times [2020-12-23 08:52:17,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:17,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840350682] [2020-12-23 08:52:17,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:17,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:17,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840350682] [2020-12-23 08:52:17,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:17,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:17,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757906128] [2020-12-23 08:52:17,257 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:17,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:17,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:17,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:17,258 INFO L87 Difference]: Start difference. First operand 43847 states and 79385 transitions. Second operand 3 states. [2020-12-23 08:52:20,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:20,280 INFO L93 Difference]: Finished difference Result 123043 states and 222605 transitions. [2020-12-23 08:52:20,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:20,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2020-12-23 08:52:20,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:20,557 INFO L225 Difference]: With dead ends: 123043 [2020-12-23 08:52:20,557 INFO L226 Difference]: Without dead ends: 79458 [2020-12-23 08:52:20,594 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:20,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79458 states. [2020-12-23 08:52:23,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79458 to 78921. [2020-12-23 08:52:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78921 states. [2020-12-23 08:52:23,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78921 states to 78921 states and 142490 transitions. [2020-12-23 08:52:23,853 INFO L78 Accepts]: Start accepts. Automaton has 78921 states and 142490 transitions. Word has length 78 [2020-12-23 08:52:23,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:23,854 INFO L481 AbstractCegarLoop]: Abstraction has 78921 states and 142490 transitions. [2020-12-23 08:52:23,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 78921 states and 142490 transitions. [2020-12-23 08:52:23,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 08:52:23,869 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:23,869 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:23,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 08:52:23,869 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:23,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:23,870 INFO L82 PathProgramCache]: Analyzing trace with hash -386401119, now seen corresponding path program 1 times [2020-12-23 08:52:23,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:23,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128947949] [2020-12-23 08:52:23,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:23,952 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 08:52:23,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128947949] [2020-12-23 08:52:23,952 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906284331] [2020-12-23 08:52:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:52:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:24,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 08:52:24,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:52:24,444 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:24,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:52:24,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-23 08:52:24,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577345248] [2020-12-23 08:52:24,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 08:52:24,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:24,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 08:52:24,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:52:24,447 INFO L87 Difference]: Start difference. First operand 78921 states and 142490 transitions. Second operand 8 states. [2020-12-23 08:52:28,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:28,094 INFO L93 Difference]: Finished difference Result 84069 states and 151460 transitions. [2020-12-23 08:52:28,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 08:52:28,096 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-12-23 08:52:28,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:28,230 INFO L225 Difference]: With dead ends: 84069 [2020-12-23 08:52:28,230 INFO L226 Difference]: Without dead ends: 83532 [2020-12-23 08:52:28,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2020-12-23 08:52:28,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83532 states. [2020-12-23 08:52:31,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83532 to 81338. [2020-12-23 08:52:31,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81338 states. [2020-12-23 08:52:31,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81338 states to 81338 states and 146777 transitions. [2020-12-23 08:52:31,485 INFO L78 Accepts]: Start accepts. Automaton has 81338 states and 146777 transitions. Word has length 79 [2020-12-23 08:52:31,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:31,486 INFO L481 AbstractCegarLoop]: Abstraction has 81338 states and 146777 transitions. [2020-12-23 08:52:31,486 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 08:52:31,486 INFO L276 IsEmpty]: Start isEmpty. Operand 81338 states and 146777 transitions. [2020-12-23 08:52:31,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 08:52:31,505 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:31,505 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:31,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:52:31,720 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:31,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:31,721 INFO L82 PathProgramCache]: Analyzing trace with hash -1807916577, now seen corresponding path program 1 times [2020-12-23 08:52:31,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:31,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900902717] [2020-12-23 08:52:31,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:31,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:31,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900902717] [2020-12-23 08:52:31,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:31,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:31,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811621309] [2020-12-23 08:52:31,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:31,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:31,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:31,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:31,794 INFO L87 Difference]: Start difference. First operand 81338 states and 146777 transitions. Second operand 3 states. [2020-12-23 08:52:37,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:37,138 INFO L93 Difference]: Finished difference Result 236877 states and 427642 transitions. [2020-12-23 08:52:37,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:37,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-12-23 08:52:37,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:37,457 INFO L225 Difference]: With dead ends: 236877 [2020-12-23 08:52:37,457 INFO L226 Difference]: Without dead ends: 157665 [2020-12-23 08:52:37,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:37,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157665 states. [2020-12-23 08:52:43,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157665 to 157128. [2020-12-23 08:52:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157128 states. [2020-12-23 08:52:44,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157128 states to 157128 states and 283172 transitions. [2020-12-23 08:52:44,323 INFO L78 Accepts]: Start accepts. Automaton has 157128 states and 283172 transitions. Word has length 82 [2020-12-23 08:52:44,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:52:44,323 INFO L481 AbstractCegarLoop]: Abstraction has 157128 states and 283172 transitions. [2020-12-23 08:52:44,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:52:44,323 INFO L276 IsEmpty]: Start isEmpty. Operand 157128 states and 283172 transitions. [2020-12-23 08:52:44,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 08:52:44,339 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:52:44,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:52:44,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 08:52:44,340 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:52:44,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:52:44,340 INFO L82 PathProgramCache]: Analyzing trace with hash -575350940, now seen corresponding path program 1 times [2020-12-23 08:52:44,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:52:44,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605886987] [2020-12-23 08:52:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:52:44,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:52:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:52:44,399 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605886987] [2020-12-23 08:52:44,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:52:44,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:52:44,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531704045] [2020-12-23 08:52:44,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:52:44,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:52:44,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:52:44,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:44,401 INFO L87 Difference]: Start difference. First operand 157128 states and 283172 transitions. Second operand 3 states. [2020-12-23 08:52:52,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:52:52,974 INFO L93 Difference]: Finished difference Result 280294 states and 504030 transitions. [2020-12-23 08:52:52,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:52:52,974 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-23 08:52:52,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:52:53,756 INFO L225 Difference]: With dead ends: 280294 [2020-12-23 08:52:53,757 INFO L226 Difference]: Without dead ends: 279757 [2020-12-23 08:52:53,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:52:54,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279757 states. [2020-12-23 08:53:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279757 to 279220. [2020-12-23 08:53:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279220 states. [2020-12-23 08:53:05,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279220 states to 279220 states and 501172 transitions. [2020-12-23 08:53:05,953 INFO L78 Accepts]: Start accepts. Automaton has 279220 states and 501172 transitions. Word has length 83 [2020-12-23 08:53:05,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:05,954 INFO L481 AbstractCegarLoop]: Abstraction has 279220 states and 501172 transitions. [2020-12-23 08:53:05,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:53:05,954 INFO L276 IsEmpty]: Start isEmpty. Operand 279220 states and 501172 transitions. [2020-12-23 08:53:05,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 08:53:05,984 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:05,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:05,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 08:53:05,985 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:05,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:05,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1794223283, now seen corresponding path program 1 times [2020-12-23 08:53:05,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:05,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919465710] [2020-12-23 08:53:05,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:06,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:53:06,084 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919465710] [2020-12-23 08:53:06,084 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:06,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:53:06,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509140212] [2020-12-23 08:53:06,085 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:06,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:06,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:06,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:06,086 INFO L87 Difference]: Start difference. First operand 279220 states and 501172 transitions. Second operand 5 states. [2020-12-23 08:53:15,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:15,018 INFO L93 Difference]: Finished difference Result 281224 states and 504562 transitions. [2020-12-23 08:53:15,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:53:15,019 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2020-12-23 08:53:15,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:15,846 INFO L225 Difference]: With dead ends: 281224 [2020-12-23 08:53:15,846 INFO L226 Difference]: Without dead ends: 280813 [2020-12-23 08:53:15,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:53:16,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280813 states. [2020-12-23 08:53:28,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280813 to 279603. [2020-12-23 08:53:28,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279603 states. [2020-12-23 08:53:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279603 states to 279603 states and 501817 transitions. [2020-12-23 08:53:30,344 INFO L78 Accepts]: Start accepts. Automaton has 279603 states and 501817 transitions. Word has length 84 [2020-12-23 08:53:30,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:30,344 INFO L481 AbstractCegarLoop]: Abstraction has 279603 states and 501817 transitions. [2020-12-23 08:53:30,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:53:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 279603 states and 501817 transitions. [2020-12-23 08:53:30,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-12-23 08:53:30,365 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:30,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:30,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 08:53:30,365 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:30,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:30,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1887741605, now seen corresponding path program 1 times [2020-12-23 08:53:30,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:30,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206687907] [2020-12-23 08:53:30,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:53:30,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206687907] [2020-12-23 08:53:30,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:30,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:53:30,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393024112] [2020-12-23 08:53:30,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:53:30,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:30,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:53:30,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:53:30,551 INFO L87 Difference]: Start difference. First operand 279603 states and 501817 transitions. Second operand 10 states. [2020-12-23 08:53:40,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:53:40,951 INFO L93 Difference]: Finished difference Result 280529 states and 503374 transitions. [2020-12-23 08:53:40,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 08:53:40,952 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 85 [2020-12-23 08:53:40,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:53:41,735 INFO L225 Difference]: With dead ends: 280529 [2020-12-23 08:53:41,736 INFO L226 Difference]: Without dead ends: 279741 [2020-12-23 08:53:41,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:53:42,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279741 states. [2020-12-23 08:53:52,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279741 to 279543. [2020-12-23 08:53:52,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279543 states. [2020-12-23 08:53:53,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279543 states to 279543 states and 501706 transitions. [2020-12-23 08:53:53,742 INFO L78 Accepts]: Start accepts. Automaton has 279543 states and 501706 transitions. Word has length 85 [2020-12-23 08:53:53,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:53:53,742 INFO L481 AbstractCegarLoop]: Abstraction has 279543 states and 501706 transitions. [2020-12-23 08:53:53,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:53:53,742 INFO L276 IsEmpty]: Start isEmpty. Operand 279543 states and 501706 transitions. [2020-12-23 08:53:53,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-12-23 08:53:53,781 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:53:53,781 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:53:53,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 08:53:53,782 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:53:53,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:53:53,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1702270050, now seen corresponding path program 1 times [2020-12-23 08:53:53,782 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:53:53,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979715315] [2020-12-23 08:53:53,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:53:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:53:53,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:53:53,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979715315] [2020-12-23 08:53:53,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:53:53,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 08:53:53,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906085877] [2020-12-23 08:53:53,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:53:53,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:53:53,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:53:53,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:53:53,872 INFO L87 Difference]: Start difference. First operand 279543 states and 501706 transitions. Second operand 5 states. [2020-12-23 08:54:03,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:03,876 INFO L93 Difference]: Finished difference Result 282852 states and 507175 transitions. [2020-12-23 08:54:03,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 08:54:03,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 97 [2020-12-23 08:54:03,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:04,608 INFO L225 Difference]: With dead ends: 282852 [2020-12-23 08:54:04,608 INFO L226 Difference]: Without dead ends: 282068 [2020-12-23 08:54:04,686 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 08:54:04,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282068 states. [2020-12-23 08:54:17,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282068 to 280258. [2020-12-23 08:54:17,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280258 states. [2020-12-23 08:54:19,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280258 states to 280258 states and 502894 transitions. [2020-12-23 08:54:19,096 INFO L78 Accepts]: Start accepts. Automaton has 280258 states and 502894 transitions. Word has length 97 [2020-12-23 08:54:19,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:19,096 INFO L481 AbstractCegarLoop]: Abstraction has 280258 states and 502894 transitions. [2020-12-23 08:54:19,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:54:19,097 INFO L276 IsEmpty]: Start isEmpty. Operand 280258 states and 502894 transitions. [2020-12-23 08:54:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-12-23 08:54:19,142 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:19,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:54:19,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 08:54:19,143 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:19,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:19,144 INFO L82 PathProgramCache]: Analyzing trace with hash -945721823, now seen corresponding path program 1 times [2020-12-23 08:54:19,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:19,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368733622] [2020-12-23 08:54:19,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:54:19,360 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368733622] [2020-12-23 08:54:19,360 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:19,361 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:54:19,361 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192411416] [2020-12-23 08:54:19,361 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:54:19,361 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:19,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:54:19,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:54:19,363 INFO L87 Difference]: Start difference. First operand 280258 states and 502894 transitions. Second operand 10 states. [2020-12-23 08:54:29,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:29,445 INFO L93 Difference]: Finished difference Result 281768 states and 505411 transitions. [2020-12-23 08:54:29,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 08:54:29,445 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 98 [2020-12-23 08:54:29,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:30,206 INFO L225 Difference]: With dead ends: 281768 [2020-12-23 08:54:30,206 INFO L226 Difference]: Without dead ends: 280318 [2020-12-23 08:54:30,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462 [2020-12-23 08:54:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280318 states. [2020-12-23 08:54:41,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280318 to 279917. [2020-12-23 08:54:41,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279917 states. [2020-12-23 08:54:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279917 states to 279917 states and 502308 transitions. [2020-12-23 08:54:42,818 INFO L78 Accepts]: Start accepts. Automaton has 279917 states and 502308 transitions. Word has length 98 [2020-12-23 08:54:42,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:54:42,818 INFO L481 AbstractCegarLoop]: Abstraction has 279917 states and 502308 transitions. [2020-12-23 08:54:42,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 08:54:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 279917 states and 502308 transitions. [2020-12-23 08:54:42,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-23 08:54:42,850 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:54:42,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:54:42,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 08:54:42,850 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:54:42,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:54:42,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1871267640, now seen corresponding path program 1 times [2020-12-23 08:54:42,851 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:54:42,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011281496] [2020-12-23 08:54:42,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:54:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:54:42,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:54:42,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011281496] [2020-12-23 08:54:42,975 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:54:42,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 08:54:42,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203842997] [2020-12-23 08:54:42,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 08:54:42,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:54:42,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 08:54:42,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 08:54:42,976 INFO L87 Difference]: Start difference. First operand 279917 states and 502308 transitions. Second operand 10 states. [2020-12-23 08:54:55,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:54:55,260 INFO L93 Difference]: Finished difference Result 288167 states and 515815 transitions. [2020-12-23 08:54:55,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-12-23 08:54:55,261 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2020-12-23 08:54:55,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:54:55,861 INFO L225 Difference]: With dead ends: 288167 [2020-12-23 08:54:55,861 INFO L226 Difference]: Without dead ends: 287254 [2020-12-23 08:54:55,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2020-12-23 08:54:56,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287254 states.