/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec6_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:56:32,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:56:32,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:56:32,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:56:32,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:56:32,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:56:32,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:56:32,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:56:32,217 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:56:32,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:56:32,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:56:32,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:56:32,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:56:32,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:56:32,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:56:32,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:56:32,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:56:32,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:56:32,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:56:32,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:56:32,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:56:32,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:56:32,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:56:32,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:56:32,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:56:32,258 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:56:32,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:56:32,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:56:32,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:56:32,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:56:32,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:56:32,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:56:32,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:56:32,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:56:32,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:56:32,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:56:32,273 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:56:32,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:56:32,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:56:32,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:56:32,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:56:32,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:56:32,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:56:32,364 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:56:32,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:56:32,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:56:32,366 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:56:32,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:56:32,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:56:32,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:56:32,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:56:32,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:56:32,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:56:32,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:56:32,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:56:32,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:56:32,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:56:32,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:56:32,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:56:32,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:56:32,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:56:32,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:56:32,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:56:32,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:56:32,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:56:32,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:56:32,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:56:32,370 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:56:32,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:56:32,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:56:32,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:56:32,834 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:56:32,835 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:56:32,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2021-01-06 18:56:32,913 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/31887c619/af2322d0b8c44846ac1c873f5b61bafe/FLAG94b26a581 [2021-01-06 18:56:33,657 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:56:33,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c [2021-01-06 18:56:33,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/31887c619/af2322d0b8c44846ac1c873f5b61bafe/FLAG94b26a581 [2021-01-06 18:56:33,824 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/31887c619/af2322d0b8c44846ac1c873f5b61bafe [2021-01-06 18:56:33,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:56:33,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:56:33,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:56:33,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:56:33,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:56:33,843 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:56:33" (1/1) ... [2021-01-06 18:56:33,846 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d4da84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:33, skipping insertion in model container [2021-01-06 18:56:33,846 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:56:33" (1/1) ... [2021-01-06 18:56:33,855 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:56:33,957 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~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_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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__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~1,] 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~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[~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_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~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[~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[~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[~retValue_acc~9,] 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~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_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~2,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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[~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[~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[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~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_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~4,] 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~5,] 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~19,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~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_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~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] [2021-01-06 18:56:34,600 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c[56052,56065] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:56:34,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:56:34,670 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~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_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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__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~1,] 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~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[~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_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~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[~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[~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[~retValue_acc~9,] 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~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_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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~2,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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[~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[~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[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] 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~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_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] 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~4,] 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~5,] 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~19,] 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~19,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~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_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~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_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] 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_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] [2021-01-06 18:56:34,842 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product20.cil.c[56052,56065] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:56:34,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:56:34,952 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:56:34,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34 WrapperNode [2021-01-06 18:56:34,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:56:34,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:56:34,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:56:34,955 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:56:34,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... [2021-01-06 18:56:34,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... [2021-01-06 18:56:35,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:56:35,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:56:35,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:56:35,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:56:35,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... [2021-01-06 18:56:35,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... [2021-01-06 18:56:35,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... [2021-01-06 18:56:35,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... [2021-01-06 18:56:35,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... [2021-01-06 18:56:35,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... [2021-01-06 18:56:35,421 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... [2021-01-06 18:56:35,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:56:35,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:56:35,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:56:35,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:56:35,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:56:35,532 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:56:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:56:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:56:35,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:56:35,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:56:38,688 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:56:38,688 INFO L299 CfgBuilder]: Removed 565 assume(true) statements. [2021-01-06 18:56:38,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:56:38 BoogieIcfgContainer [2021-01-06 18:56:38,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:56:38,699 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:56:38,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:56:38,706 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:56:38,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:56:33" (1/3) ... [2021-01-06 18:56:38,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abd864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:56:38, skipping insertion in model container [2021-01-06 18:56:38,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:56:34" (2/3) ... [2021-01-06 18:56:38,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6abd864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:56:38, skipping insertion in model container [2021-01-06 18:56:38,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:56:38" (3/3) ... [2021-01-06 18:56:38,713 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product20.cil.c [2021-01-06 18:56:38,726 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:56:38,733 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:56:38,756 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:56:38,809 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:56:38,809 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:56:38,809 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:56:38,810 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:56:38,810 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:56:38,810 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:56:38,810 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:56:38,810 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:56:38,856 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states. [2021-01-06 18:56:38,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:56:38,888 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:38,889 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] [2021-01-06 18:56:38,890 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]=== [2021-01-06 18:56:38,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:38,897 INFO L82 PathProgramCache]: Analyzing trace with hash 850759431, now seen corresponding path program 1 times [2021-01-06 18:56:38,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:38,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387123289] [2021-01-06 18:56:38,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:39,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:39,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387123289] [2021-01-06 18:56:39,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:39,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:39,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527473174] [2021-01-06 18:56:39,410 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:39,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:39,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:39,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:39,430 INFO L87 Difference]: Start difference. First operand 884 states. Second operand 3 states. [2021-01-06 18:56:39,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:39,632 INFO L93 Difference]: Finished difference Result 2617 states and 4568 transitions. [2021-01-06 18:56:39,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:39,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-01-06 18:56:39,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:39,669 INFO L225 Difference]: With dead ends: 2617 [2021-01-06 18:56:39,669 INFO L226 Difference]: Without dead ends: 1600 [2021-01-06 18:56:39,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:39,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1600 states. [2021-01-06 18:56:39,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1600 to 809. [2021-01-06 18:56:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2021-01-06 18:56:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1403 transitions. [2021-01-06 18:56:39,828 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1403 transitions. Word has length 53 [2021-01-06 18:56:39,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:39,828 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 1403 transitions. [2021-01-06 18:56:39,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:39,829 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1403 transitions. [2021-01-06 18:56:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 18:56:39,832 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:39,833 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:39,833 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:56:39,833 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]=== [2021-01-06 18:56:39,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:39,837 INFO L82 PathProgramCache]: Analyzing trace with hash 2069977321, now seen corresponding path program 1 times [2021-01-06 18:56:39,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:39,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829941247] [2021-01-06 18:56:39,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:39,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829941247] [2021-01-06 18:56:39,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:39,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:56:39,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067936727] [2021-01-06 18:56:39,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:39,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:40,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:40,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:40,000 INFO L87 Difference]: Start difference. First operand 809 states and 1403 transitions. Second operand 5 states. [2021-01-06 18:56:40,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:40,270 INFO L93 Difference]: Finished difference Result 2376 states and 4125 transitions. [2021-01-06 18:56:40,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:56:40,271 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2021-01-06 18:56:40,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:40,281 INFO L225 Difference]: With dead ends: 2376 [2021-01-06 18:56:40,281 INFO L226 Difference]: Without dead ends: 1586 [2021-01-06 18:56:40,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:56:40,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2021-01-06 18:56:40,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 809. [2021-01-06 18:56:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2021-01-06 18:56:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1402 transitions. [2021-01-06 18:56:40,322 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1402 transitions. Word has length 55 [2021-01-06 18:56:40,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:40,323 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 1402 transitions. [2021-01-06 18:56:40,323 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:40,323 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1402 transitions. [2021-01-06 18:56:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:56:40,325 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:40,326 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] [2021-01-06 18:56:40,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:56:40,326 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]=== [2021-01-06 18:56:40,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:40,327 INFO L82 PathProgramCache]: Analyzing trace with hash -892138756, now seen corresponding path program 1 times [2021-01-06 18:56:40,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:40,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660100468] [2021-01-06 18:56:40,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:40,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:40,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660100468] [2021-01-06 18:56:40,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:40,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:40,462 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526275715] [2021-01-06 18:56:40,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:40,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:40,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:40,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:40,464 INFO L87 Difference]: Start difference. First operand 809 states and 1402 transitions. Second operand 3 states. [2021-01-06 18:56:40,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:40,532 INFO L93 Difference]: Finished difference Result 1600 states and 2778 transitions. [2021-01-06 18:56:40,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:40,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2021-01-06 18:56:40,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:40,537 INFO L225 Difference]: With dead ends: 1600 [2021-01-06 18:56:40,538 INFO L226 Difference]: Without dead ends: 814 [2021-01-06 18:56:40,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:40,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2021-01-06 18:56:40,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 809. [2021-01-06 18:56:40,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2021-01-06 18:56:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1401 transitions. [2021-01-06 18:56:40,585 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1401 transitions. Word has length 56 [2021-01-06 18:56:40,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:40,593 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 1401 transitions. [2021-01-06 18:56:40,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:40,594 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1401 transitions. [2021-01-06 18:56:40,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:56:40,595 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:40,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:40,596 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:56:40,596 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]=== [2021-01-06 18:56:40,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:40,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1582732426, now seen corresponding path program 1 times [2021-01-06 18:56:40,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:40,598 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435646841] [2021-01-06 18:56:40,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:40,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435646841] [2021-01-06 18:56:40,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:40,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:40,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944720132] [2021-01-06 18:56:40,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:40,727 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:40,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:40,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:40,729 INFO L87 Difference]: Start difference. First operand 809 states and 1401 transitions. Second operand 3 states. [2021-01-06 18:56:40,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:40,795 INFO L93 Difference]: Finished difference Result 1610 states and 2791 transitions. [2021-01-06 18:56:40,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:40,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-06 18:56:40,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:40,802 INFO L225 Difference]: With dead ends: 1610 [2021-01-06 18:56:40,802 INFO L226 Difference]: Without dead ends: 809 [2021-01-06 18:56:40,805 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:40,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2021-01-06 18:56:40,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2021-01-06 18:56:40,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2021-01-06 18:56:40,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1399 transitions. [2021-01-06 18:56:40,845 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1399 transitions. Word has length 57 [2021-01-06 18:56:40,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:40,847 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 1399 transitions. [2021-01-06 18:56:40,847 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:40,847 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1399 transitions. [2021-01-06 18:56:40,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:56:40,850 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:40,850 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] [2021-01-06 18:56:40,850 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:56:40,850 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]=== [2021-01-06 18:56:40,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:40,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1690300737, now seen corresponding path program 1 times [2021-01-06 18:56:40,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:40,852 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882142396] [2021-01-06 18:56:40,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:41,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882142396] [2021-01-06 18:56:41,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:41,001 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:56:41,001 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967786484] [2021-01-06 18:56:41,002 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:41,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:41,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:41,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:41,004 INFO L87 Difference]: Start difference. First operand 809 states and 1399 transitions. Second operand 5 states. [2021-01-06 18:56:41,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:41,260 INFO L93 Difference]: Finished difference Result 2366 states and 4105 transitions. [2021-01-06 18:56:41,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:56:41,262 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2021-01-06 18:56:41,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:41,271 INFO L225 Difference]: With dead ends: 2366 [2021-01-06 18:56:41,272 INFO L226 Difference]: Without dead ends: 1584 [2021-01-06 18:56:41,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:56:41,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2021-01-06 18:56:41,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 809. [2021-01-06 18:56:41,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2021-01-06 18:56:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1398 transitions. [2021-01-06 18:56:41,324 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1398 transitions. Word has length 58 [2021-01-06 18:56:41,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:41,325 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 1398 transitions. [2021-01-06 18:56:41,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:41,325 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1398 transitions. [2021-01-06 18:56:41,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:56:41,327 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:41,327 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] [2021-01-06 18:56:41,327 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:56:41,328 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]=== [2021-01-06 18:56:41,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:41,328 INFO L82 PathProgramCache]: Analyzing trace with hash -502577858, now seen corresponding path program 1 times [2021-01-06 18:56:41,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:41,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990390674] [2021-01-06 18:56:41,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:41,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990390674] [2021-01-06 18:56:41,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:41,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:56:41,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415021159] [2021-01-06 18:56:41,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:41,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:41,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:41,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:41,464 INFO L87 Difference]: Start difference. First operand 809 states and 1398 transitions. Second operand 5 states. [2021-01-06 18:56:41,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:41,698 INFO L93 Difference]: Finished difference Result 2371 states and 4110 transitions. [2021-01-06 18:56:41,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:56:41,699 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2021-01-06 18:56:41,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:41,708 INFO L225 Difference]: With dead ends: 2371 [2021-01-06 18:56:41,708 INFO L226 Difference]: Without dead ends: 1589 [2021-01-06 18:56:41,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:56:41,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2021-01-06 18:56:41,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 809. [2021-01-06 18:56:41,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2021-01-06 18:56:41,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1397 transitions. [2021-01-06 18:56:41,766 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1397 transitions. Word has length 59 [2021-01-06 18:56:41,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:41,766 INFO L481 AbstractCegarLoop]: Abstraction has 809 states and 1397 transitions. [2021-01-06 18:56:41,766 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:41,766 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1397 transitions. [2021-01-06 18:56:41,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:56:41,767 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:41,768 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] [2021-01-06 18:56:41,768 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:56:41,769 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]=== [2021-01-06 18:56:41,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:41,773 INFO L82 PathProgramCache]: Analyzing trace with hash -80788186, now seen corresponding path program 1 times [2021-01-06 18:56:41,774 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:41,774 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495358219] [2021-01-06 18:56:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:41,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495358219] [2021-01-06 18:56:41,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:41,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:41,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733048500] [2021-01-06 18:56:41,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:41,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:41,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:41,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:41,886 INFO L87 Difference]: Start difference. First operand 809 states and 1397 transitions. Second operand 3 states. [2021-01-06 18:56:41,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:41,983 INFO L93 Difference]: Finished difference Result 1337 states and 2288 transitions. [2021-01-06 18:56:41,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:41,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2021-01-06 18:56:41,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:41,989 INFO L225 Difference]: With dead ends: 1337 [2021-01-06 18:56:41,989 INFO L226 Difference]: Without dead ends: 812 [2021-01-06 18:56:41,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:41,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2021-01-06 18:56:42,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 811. [2021-01-06 18:56:42,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2021-01-06 18:56:42,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1399 transitions. [2021-01-06 18:56:42,040 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1399 transitions. Word has length 60 [2021-01-06 18:56:42,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:42,042 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 1399 transitions. [2021-01-06 18:56:42,042 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1399 transitions. [2021-01-06 18:56:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:56:42,044 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:42,044 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] [2021-01-06 18:56:42,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:56:42,045 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]=== [2021-01-06 18:56:42,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:42,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1319627016, now seen corresponding path program 1 times [2021-01-06 18:56:42,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:42,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694270898] [2021-01-06 18:56:42,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:42,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694270898] [2021-01-06 18:56:42,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:42,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:42,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274156624] [2021-01-06 18:56:42,132 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:42,132 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:42,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:42,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:42,133 INFO L87 Difference]: Start difference. First operand 811 states and 1399 transitions. Second operand 3 states. [2021-01-06 18:56:42,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:42,229 INFO L93 Difference]: Finished difference Result 2319 states and 4021 transitions. [2021-01-06 18:56:42,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:42,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:56:42,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:42,239 INFO L225 Difference]: With dead ends: 2319 [2021-01-06 18:56:42,239 INFO L226 Difference]: Without dead ends: 1539 [2021-01-06 18:56:42,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:42,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1539 states. [2021-01-06 18:56:42,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1539 to 1014. [2021-01-06 18:56:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2021-01-06 18:56:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1774 transitions. [2021-01-06 18:56:42,315 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1774 transitions. Word has length 68 [2021-01-06 18:56:42,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:42,315 INFO L481 AbstractCegarLoop]: Abstraction has 1014 states and 1774 transitions. [2021-01-06 18:56:42,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1774 transitions. [2021-01-06 18:56:42,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:56:42,317 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:42,317 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:42,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:56:42,318 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]=== [2021-01-06 18:56:42,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:42,318 INFO L82 PathProgramCache]: Analyzing trace with hash -88764807, now seen corresponding path program 1 times [2021-01-06 18:56:42,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:42,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563889118] [2021-01-06 18:56:42,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:42,433 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563889118] [2021-01-06 18:56:42,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:42,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:56:42,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853624049] [2021-01-06 18:56:42,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:42,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:42,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:42,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:42,436 INFO L87 Difference]: Start difference. First operand 1014 states and 1774 transitions. Second operand 5 states. [2021-01-06 18:56:42,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:42,757 INFO L93 Difference]: Finished difference Result 2972 states and 5228 transitions. [2021-01-06 18:56:42,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:56:42,758 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2021-01-06 18:56:42,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:42,770 INFO L225 Difference]: With dead ends: 2972 [2021-01-06 18:56:42,770 INFO L226 Difference]: Without dead ends: 1989 [2021-01-06 18:56:42,773 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 [2021-01-06 18:56:42,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1989 states. [2021-01-06 18:56:42,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1989 to 1014. [2021-01-06 18:56:42,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1014 states. [2021-01-06 18:56:42,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1772 transitions. [2021-01-06 18:56:42,864 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1772 transitions. Word has length 69 [2021-01-06 18:56:42,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:42,864 INFO L481 AbstractCegarLoop]: Abstraction has 1014 states and 1772 transitions. [2021-01-06 18:56:42,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:42,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1772 transitions. [2021-01-06 18:56:42,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:56:42,873 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:42,873 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:42,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:56:42,873 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]=== [2021-01-06 18:56:42,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:42,874 INFO L82 PathProgramCache]: Analyzing trace with hash -1033247998, now seen corresponding path program 1 times [2021-01-06 18:56:42,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:42,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499654905] [2021-01-06 18:56:42,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:42,939 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:42,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499654905] [2021-01-06 18:56:42,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:42,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:42,941 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864275505] [2021-01-06 18:56:42,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:42,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:42,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:42,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:42,942 INFO L87 Difference]: Start difference. First operand 1014 states and 1772 transitions. Second operand 3 states. [2021-01-06 18:56:43,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:43,065 INFO L93 Difference]: Finished difference Result 2970 states and 5220 transitions. [2021-01-06 18:56:43,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:43,065 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:56:43,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:43,076 INFO L225 Difference]: With dead ends: 2970 [2021-01-06 18:56:43,077 INFO L226 Difference]: Without dead ends: 1987 [2021-01-06 18:56:43,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:43,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1987 states. [2021-01-06 18:56:43,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1987 to 1462. [2021-01-06 18:56:43,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1462 states. [2021-01-06 18:56:43,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1462 states to 1462 states and 2599 transitions. [2021-01-06 18:56:43,183 INFO L78 Accepts]: Start accepts. Automaton has 1462 states and 2599 transitions. Word has length 70 [2021-01-06 18:56:43,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:43,183 INFO L481 AbstractCegarLoop]: Abstraction has 1462 states and 2599 transitions. [2021-01-06 18:56:43,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:43,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 2599 transitions. [2021-01-06 18:56:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:56:43,186 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:43,186 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:43,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:56:43,187 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]=== [2021-01-06 18:56:43,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:43,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1200660444, now seen corresponding path program 1 times [2021-01-06 18:56:43,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:43,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113585478] [2021-01-06 18:56:43,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:43,266 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:43,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113585478] [2021-01-06 18:56:43,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247996627] [2021-01-06 18:56:43,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:56:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:43,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:56:43,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:56:43,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:43,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:56:43,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:56:43,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988981394] [2021-01-06 18:56:43,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:43,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:43,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:43,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:43,887 INFO L87 Difference]: Start difference. First operand 1462 states and 2599 transitions. Second operand 5 states. [2021-01-06 18:56:44,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:44,094 INFO L93 Difference]: Finished difference Result 2774 states and 4851 transitions. [2021-01-06 18:56:44,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:56:44,094 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2021-01-06 18:56:44,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:44,108 INFO L225 Difference]: With dead ends: 2774 [2021-01-06 18:56:44,108 INFO L226 Difference]: Without dead ends: 2249 [2021-01-06 18:56:44,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:44,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2249 states. [2021-01-06 18:56:44,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2249 to 1721. [2021-01-06 18:56:44,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2021-01-06 18:56:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 3071 transitions. [2021-01-06 18:56:44,233 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 3071 transitions. Word has length 70 [2021-01-06 18:56:44,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:44,234 INFO L481 AbstractCegarLoop]: Abstraction has 1721 states and 3071 transitions. [2021-01-06 18:56:44,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:56:44,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 3071 transitions. [2021-01-06 18:56:44,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:56:44,237 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:44,238 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, 1, 1] [2021-01-06 18:56:44,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:56:44,451 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]=== [2021-01-06 18:56:44,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:44,452 INFO L82 PathProgramCache]: Analyzing trace with hash 810720775, now seen corresponding path program 1 times [2021-01-06 18:56:44,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:44,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944285626] [2021-01-06 18:56:44,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:44,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:44,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944285626] [2021-01-06 18:56:44,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:44,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:44,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181200396] [2021-01-06 18:56:44,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:44,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:44,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:44,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:44,615 INFO L87 Difference]: Start difference. First operand 1721 states and 3071 transitions. Second operand 3 states. [2021-01-06 18:56:44,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:44,788 INFO L93 Difference]: Finished difference Result 4754 states and 8505 transitions. [2021-01-06 18:56:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:44,789 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:56:44,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:44,806 INFO L225 Difference]: With dead ends: 4754 [2021-01-06 18:56:44,807 INFO L226 Difference]: Without dead ends: 3134 [2021-01-06 18:56:44,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:44,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3134 states. [2021-01-06 18:56:44,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3134 to 2609. [2021-01-06 18:56:44,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2609 states. [2021-01-06 18:56:44,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2609 states and 4704 transitions. [2021-01-06 18:56:44,967 INFO L78 Accepts]: Start accepts. Automaton has 2609 states and 4704 transitions. Word has length 74 [2021-01-06 18:56:44,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:44,969 INFO L481 AbstractCegarLoop]: Abstraction has 2609 states and 4704 transitions. [2021-01-06 18:56:44,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:44,969 INFO L276 IsEmpty]: Start isEmpty. Operand 2609 states and 4704 transitions. [2021-01-06 18:56:44,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:56:44,974 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:44,975 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] [2021-01-06 18:56:44,975 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:56:44,975 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]=== [2021-01-06 18:56:44,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:44,976 INFO L82 PathProgramCache]: Analyzing trace with hash -237145977, now seen corresponding path program 1 times [2021-01-06 18:56:44,976 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:44,976 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682622830] [2021-01-06 18:56:44,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:45,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:45,065 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682622830] [2021-01-06 18:56:45,066 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:45,066 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:45,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756181325] [2021-01-06 18:56:45,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:45,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:45,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:45,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:45,073 INFO L87 Difference]: Start difference. First operand 2609 states and 4704 transitions. Second operand 3 states. [2021-01-06 18:56:45,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:45,342 INFO L93 Difference]: Finished difference Result 7154 states and 12923 transitions. [2021-01-06 18:56:45,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:45,342 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:56:45,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:45,385 INFO L225 Difference]: With dead ends: 7154 [2021-01-06 18:56:45,385 INFO L226 Difference]: Without dead ends: 4680 [2021-01-06 18:56:45,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:45,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4680 states. [2021-01-06 18:56:45,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4680 to 4155. [2021-01-06 18:56:45,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4155 states. [2021-01-06 18:56:45,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4155 states to 4155 states and 7545 transitions. [2021-01-06 18:56:45,639 INFO L78 Accepts]: Start accepts. Automaton has 4155 states and 7545 transitions. Word has length 75 [2021-01-06 18:56:45,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:45,639 INFO L481 AbstractCegarLoop]: Abstraction has 4155 states and 7545 transitions. [2021-01-06 18:56:45,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:45,639 INFO L276 IsEmpty]: Start isEmpty. Operand 4155 states and 7545 transitions. [2021-01-06 18:56:45,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:56:45,648 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:45,649 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] [2021-01-06 18:56:45,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:56:45,649 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]=== [2021-01-06 18:56:45,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:45,650 INFO L82 PathProgramCache]: Analyzing trace with hash 523662070, now seen corresponding path program 1 times [2021-01-06 18:56:45,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:45,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798833650] [2021-01-06 18:56:45,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:45,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:45,720 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798833650] [2021-01-06 18:56:45,721 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:45,721 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:45,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016923849] [2021-01-06 18:56:45,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:45,723 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:45,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:45,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:45,724 INFO L87 Difference]: Start difference. First operand 4155 states and 7545 transitions. Second operand 3 states. [2021-01-06 18:56:46,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:46,298 INFO L93 Difference]: Finished difference Result 11508 states and 20929 transitions. [2021-01-06 18:56:46,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:46,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:56:46,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:46,323 INFO L225 Difference]: With dead ends: 11508 [2021-01-06 18:56:46,324 INFO L226 Difference]: Without dead ends: 7522 [2021-01-06 18:56:46,332 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:46,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7522 states. [2021-01-06 18:56:46,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7522 to 6997. [2021-01-06 18:56:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6997 states. [2021-01-06 18:56:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6997 states to 6997 states and 12762 transitions. [2021-01-06 18:56:46,818 INFO L78 Accepts]: Start accepts. Automaton has 6997 states and 12762 transitions. Word has length 76 [2021-01-06 18:56:46,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:46,818 INFO L481 AbstractCegarLoop]: Abstraction has 6997 states and 12762 transitions. [2021-01-06 18:56:46,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:46,818 INFO L276 IsEmpty]: Start isEmpty. Operand 6997 states and 12762 transitions. [2021-01-06 18:56:46,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:56:46,827 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:46,827 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] [2021-01-06 18:56:46,827 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:56:46,827 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]=== [2021-01-06 18:56:46,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:46,828 INFO L82 PathProgramCache]: Analyzing trace with hash 788325014, now seen corresponding path program 1 times [2021-01-06 18:56:46,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:46,828 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725420483] [2021-01-06 18:56:46,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:46,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:46,903 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725420483] [2021-01-06 18:56:46,903 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:46,903 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:46,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793445171] [2021-01-06 18:56:46,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:46,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:46,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:46,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:46,907 INFO L87 Difference]: Start difference. First operand 6997 states and 12762 transitions. Second operand 3 states. [2021-01-06 18:56:47,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:47,594 INFO L93 Difference]: Finished difference Result 20492 states and 37422 transitions. [2021-01-06 18:56:47,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:47,594 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:56:47,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:47,639 INFO L225 Difference]: With dead ends: 20492 [2021-01-06 18:56:47,639 INFO L226 Difference]: Without dead ends: 13668 [2021-01-06 18:56:47,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:47,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13668 states. [2021-01-06 18:56:48,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13668 to 13143. [2021-01-06 18:56:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13143 states. [2021-01-06 18:56:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13143 states to 13143 states and 24027 transitions. [2021-01-06 18:56:48,460 INFO L78 Accepts]: Start accepts. Automaton has 13143 states and 24027 transitions. Word has length 77 [2021-01-06 18:56:48,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:48,461 INFO L481 AbstractCegarLoop]: Abstraction has 13143 states and 24027 transitions. [2021-01-06 18:56:48,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:48,461 INFO L276 IsEmpty]: Start isEmpty. Operand 13143 states and 24027 transitions. [2021-01-06 18:56:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:56:48,475 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:48,475 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] [2021-01-06 18:56:48,475 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:56:48,476 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]=== [2021-01-06 18:56:48,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:48,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1451786471, now seen corresponding path program 1 times [2021-01-06 18:56:48,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:48,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156308584] [2021-01-06 18:56:48,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:48,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156308584] [2021-01-06 18:56:48,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:48,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:48,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051873634] [2021-01-06 18:56:48,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:48,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:48,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:48,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:48,547 INFO L87 Difference]: Start difference. First operand 13143 states and 24027 transitions. Second operand 3 states. [2021-01-06 18:56:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:49,881 INFO L93 Difference]: Finished difference Result 38632 states and 70692 transitions. [2021-01-06 18:56:49,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:49,882 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:56:49,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:49,980 INFO L225 Difference]: With dead ends: 38632 [2021-01-06 18:56:49,980 INFO L226 Difference]: Without dead ends: 25670 [2021-01-06 18:56:50,009 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:50,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25670 states. [2021-01-06 18:56:51,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25670 to 25145. [2021-01-06 18:56:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25145 states. [2021-01-06 18:56:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25145 states to 25145 states and 46012 transitions. [2021-01-06 18:56:51,519 INFO L78 Accepts]: Start accepts. Automaton has 25145 states and 46012 transitions. Word has length 78 [2021-01-06 18:56:51,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:51,519 INFO L481 AbstractCegarLoop]: Abstraction has 25145 states and 46012 transitions. [2021-01-06 18:56:51,519 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:51,519 INFO L276 IsEmpty]: Start isEmpty. Operand 25145 states and 46012 transitions. [2021-01-06 18:56:51,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:56:51,535 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:51,535 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] [2021-01-06 18:56:51,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:56:51,536 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]=== [2021-01-06 18:56:51,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:51,536 INFO L82 PathProgramCache]: Analyzing trace with hash -1941916396, now seen corresponding path program 1 times [2021-01-06 18:56:51,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:51,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846541928] [2021-01-06 18:56:51,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:56:51,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846541928] [2021-01-06 18:56:51,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:51,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:56:51,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330173554] [2021-01-06 18:56:51,610 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:56:51,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:51,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:56:51,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:51,611 INFO L87 Difference]: Start difference. First operand 25145 states and 46012 transitions. Second operand 3 states. [2021-01-06 18:56:53,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:53,459 INFO L93 Difference]: Finished difference Result 69277 states and 126383 transitions. [2021-01-06 18:56:53,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:53,460 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 18:56:53,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:53,597 INFO L225 Difference]: With dead ends: 69277 [2021-01-06 18:56:53,597 INFO L226 Difference]: Without dead ends: 44360 [2021-01-06 18:56:53,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:53,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44360 states. [2021-01-06 18:56:56,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44360 to 43835. [2021-01-06 18:56:56,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43835 states. [2021-01-06 18:56:56,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43835 states to 43835 states and 79741 transitions. [2021-01-06 18:56:56,130 INFO L78 Accepts]: Start accepts. Automaton has 43835 states and 79741 transitions. Word has length 79 [2021-01-06 18:56:56,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:56,130 INFO L481 AbstractCegarLoop]: Abstraction has 43835 states and 79741 transitions. [2021-01-06 18:56:56,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 43835 states and 79741 transitions. [2021-01-06 18:56:56,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:56:56,156 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:56,157 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:56,158 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:56:56,158 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]=== [2021-01-06 18:56:56,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:56,159 INFO L82 PathProgramCache]: Analyzing trace with hash -457516928, now seen corresponding path program 1 times [2021-01-06 18:56:56,159 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:56,159 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647857987] [2021-01-06 18:56:56,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:56,250 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:56:56,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647857987] [2021-01-06 18:56:56,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:56,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:56:56,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124489204] [2021-01-06 18:56:56,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:56:56,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:56,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:56:56,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:56,256 INFO L87 Difference]: Start difference. First operand 43835 states and 79741 transitions. Second operand 5 states. [2021-01-06 18:56:59,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:59,176 INFO L93 Difference]: Finished difference Result 129122 states and 234872 transitions. [2021-01-06 18:56:59,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:56:59,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2021-01-06 18:56:59,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:59,417 INFO L225 Difference]: With dead ends: 129122 [2021-01-06 18:56:59,417 INFO L226 Difference]: Without dead ends: 85583 [2021-01-06 18:56:59,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:56:59,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85583 states. [2021-01-06 18:57:02,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85583 to 43835. [2021-01-06 18:57:02,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43835 states. [2021-01-06 18:57:02,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43835 states to 43835 states and 79483 transitions. [2021-01-06 18:57:02,351 INFO L78 Accepts]: Start accepts. Automaton has 43835 states and 79483 transitions. Word has length 80 [2021-01-06 18:57:02,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:02,352 INFO L481 AbstractCegarLoop]: Abstraction has 43835 states and 79483 transitions. [2021-01-06 18:57:02,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:57:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 43835 states and 79483 transitions. [2021-01-06 18:57:02,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:57:02,366 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:02,366 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, 1, 1] [2021-01-06 18:57:02,366 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:57:02,367 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]=== [2021-01-06 18:57:02,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:02,367 INFO L82 PathProgramCache]: Analyzing trace with hash -624929374, now seen corresponding path program 2 times [2021-01-06 18:57:02,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:02,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399631770] [2021-01-06 18:57:02,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:02,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:02,449 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:57:02,450 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399631770] [2021-01-06 18:57:02,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:02,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:57:02,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969774810] [2021-01-06 18:57:02,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:57:02,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:02,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:57:02,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:57:02,453 INFO L87 Difference]: Start difference. First operand 43835 states and 79483 transitions. Second operand 5 states. [2021-01-06 18:57:04,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:04,451 INFO L93 Difference]: Finished difference Result 87893 states and 159337 transitions. [2021-01-06 18:57:04,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:57:04,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2021-01-06 18:57:04,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:04,543 INFO L225 Difference]: With dead ends: 87893 [2021-01-06 18:57:04,544 INFO L226 Difference]: Without dead ends: 44360 [2021-01-06 18:57:04,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:57:04,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44360 states. [2021-01-06 18:57:06,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44360 to 43835. [2021-01-06 18:57:06,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43835 states. [2021-01-06 18:57:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43835 states to 43835 states and 79355 transitions. [2021-01-06 18:57:06,594 INFO L78 Accepts]: Start accepts. Automaton has 43835 states and 79355 transitions. Word has length 80 [2021-01-06 18:57:06,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:06,594 INFO L481 AbstractCegarLoop]: Abstraction has 43835 states and 79355 transitions. [2021-01-06 18:57:06,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:57:06,594 INFO L276 IsEmpty]: Start isEmpty. Operand 43835 states and 79355 transitions. [2021-01-06 18:57:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:57:06,609 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:06,610 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] [2021-01-06 18:57:06,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:57:06,610 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]=== [2021-01-06 18:57:06,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:06,613 INFO L82 PathProgramCache]: Analyzing trace with hash -270251051, now seen corresponding path program 1 times [2021-01-06 18:57:06,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:06,613 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354122546] [2021-01-06 18:57:06,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:06,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:57:06,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354122546] [2021-01-06 18:57:06,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:06,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:06,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841928739] [2021-01-06 18:57:06,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:06,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:06,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:06,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:06,701 INFO L87 Difference]: Start difference. First operand 43835 states and 79355 transitions. Second operand 3 states. [2021-01-06 18:57:09,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:09,595 INFO L93 Difference]: Finished difference Result 123007 states and 222515 transitions. [2021-01-06 18:57:09,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:09,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-01-06 18:57:09,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:09,760 INFO L225 Difference]: With dead ends: 123007 [2021-01-06 18:57:09,760 INFO L226 Difference]: Without dead ends: 79434 [2021-01-06 18:57:09,809 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:09,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79434 states. [2021-01-06 18:57:13,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79434 to 78909. [2021-01-06 18:57:13,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78909 states. [2021-01-06 18:57:13,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78909 states to 78909 states and 142460 transitions. [2021-01-06 18:57:13,400 INFO L78 Accepts]: Start accepts. Automaton has 78909 states and 142460 transitions. Word has length 80 [2021-01-06 18:57:13,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:13,401 INFO L481 AbstractCegarLoop]: Abstraction has 78909 states and 142460 transitions. [2021-01-06 18:57:13,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:57:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 78909 states and 142460 transitions. [2021-01-06 18:57:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:57:13,415 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:13,415 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:13,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:57:13,415 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]=== [2021-01-06 18:57:13,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:13,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1885729692, now seen corresponding path program 1 times [2021-01-06 18:57:13,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:13,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332786183] [2021-01-06 18:57:13,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:57:13,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332786183] [2021-01-06 18:57:13,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:13,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:57:13,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682797188] [2021-01-06 18:57:13,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:57:13,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:13,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:57:13,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:57:13,653 INFO L87 Difference]: Start difference. First operand 78909 states and 142460 transitions. Second operand 9 states. [2021-01-06 18:57:21,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:21,149 INFO L93 Difference]: Finished difference Result 160172 states and 288829 transitions. [2021-01-06 18:57:21,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:57:21,150 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 81 [2021-01-06 18:57:21,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:21,606 INFO L225 Difference]: With dead ends: 160172 [2021-01-06 18:57:21,607 INFO L226 Difference]: Without dead ends: 159704 [2021-01-06 18:57:21,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:57:21,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159704 states. [2021-01-06 18:57:27,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159704 to 157515. [2021-01-06 18:57:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157515 states. [2021-01-06 18:57:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157515 states to 157515 states and 284416 transitions. [2021-01-06 18:57:28,440 INFO L78 Accepts]: Start accepts. Automaton has 157515 states and 284416 transitions. Word has length 81 [2021-01-06 18:57:28,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:28,443 INFO L481 AbstractCegarLoop]: Abstraction has 157515 states and 284416 transitions. [2021-01-06 18:57:28,443 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:57:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 157515 states and 284416 transitions. [2021-01-06 18:57:28,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:57:28,471 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:28,471 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:28,472 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:57:28,472 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]=== [2021-01-06 18:57:28,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:28,473 INFO L82 PathProgramCache]: Analyzing trace with hash -659491181, now seen corresponding path program 1 times [2021-01-06 18:57:28,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:28,478 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440001565] [2021-01-06 18:57:28,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:28,602 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:57:28,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440001565] [2021-01-06 18:57:28,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:28,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:57:28,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998687941] [2021-01-06 18:57:28,604 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:57:28,604 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:28,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:57:28,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:57:28,605 INFO L87 Difference]: Start difference. First operand 157515 states and 284416 transitions. Second operand 6 states. [2021-01-06 18:57:34,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:34,005 INFO L93 Difference]: Finished difference Result 159088 states and 287074 transitions. [2021-01-06 18:57:34,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:57:34,007 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2021-01-06 18:57:34,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:34,310 INFO L225 Difference]: With dead ends: 159088 [2021-01-06 18:57:34,311 INFO L226 Difference]: Without dead ends: 158157 [2021-01-06 18:57:34,349 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:57:34,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158157 states. [2021-01-06 18:57:40,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158157 to 157498. [2021-01-06 18:57:40,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157498 states. [2021-01-06 18:57:41,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157498 states to 157498 states and 284377 transitions. [2021-01-06 18:57:41,598 INFO L78 Accepts]: Start accepts. Automaton has 157498 states and 284377 transitions. Word has length 82 [2021-01-06 18:57:41,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:41,598 INFO L481 AbstractCegarLoop]: Abstraction has 157498 states and 284377 transitions. [2021-01-06 18:57:41,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:57:41,598 INFO L276 IsEmpty]: Start isEmpty. Operand 157498 states and 284377 transitions. [2021-01-06 18:57:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:57:41,634 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:41,634 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:41,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:57:41,635 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]=== [2021-01-06 18:57:41,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:41,636 INFO L82 PathProgramCache]: Analyzing trace with hash -76448898, now seen corresponding path program 1 times [2021-01-06 18:57:41,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:41,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440320953] [2021-01-06 18:57:41,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:57:41,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440320953] [2021-01-06 18:57:41,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:41,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:57:41,761 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782456342] [2021-01-06 18:57:41,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:57:41,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:41,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:57:41,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:57:41,762 INFO L87 Difference]: Start difference. First operand 157498 states and 284377 transitions. Second operand 7 states. [2021-01-06 18:57:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:47,170 INFO L93 Difference]: Finished difference Result 158578 states and 286183 transitions. [2021-01-06 18:57:47,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:57:47,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2021-01-06 18:57:47,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:47,500 INFO L225 Difference]: With dead ends: 158578 [2021-01-06 18:57:47,500 INFO L226 Difference]: Without dead ends: 157713 [2021-01-06 18:57:47,537 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-01-06 18:57:47,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157713 states. [2021-01-06 18:57:54,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157713 to 157462. [2021-01-06 18:57:54,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157462 states. [2021-01-06 18:57:54,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157462 states to 157462 states and 284299 transitions. [2021-01-06 18:57:54,750 INFO L78 Accepts]: Start accepts. Automaton has 157462 states and 284299 transitions. Word has length 82 [2021-01-06 18:57:54,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:54,751 INFO L481 AbstractCegarLoop]: Abstraction has 157462 states and 284299 transitions. [2021-01-06 18:57:54,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:57:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 157462 states and 284299 transitions. [2021-01-06 18:57:54,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:57:54,769 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:54,769 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:54,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:57:54,769 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]=== [2021-01-06 18:57:54,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:54,770 INFO L82 PathProgramCache]: Analyzing trace with hash -312945578, now seen corresponding path program 1 times [2021-01-06 18:57:54,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:54,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586732024] [2021-01-06 18:57:54,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:54,879 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:57:54,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586732024] [2021-01-06 18:57:54,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:54,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:57:54,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474986415] [2021-01-06 18:57:54,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:57:54,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:54,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:57:54,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:57:54,881 INFO L87 Difference]: Start difference. First operand 157462 states and 284299 transitions. Second operand 9 states. [2021-01-06 18:57:55,842 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-01-06 18:58:07,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:07,709 INFO L93 Difference]: Finished difference Result 318692 states and 574842 transitions. [2021-01-06 18:58:07,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 18:58:07,710 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 82 [2021-01-06 18:58:07,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:08,760 INFO L225 Difference]: With dead ends: 318692 [2021-01-06 18:58:08,760 INFO L226 Difference]: Without dead ends: 317863 [2021-01-06 18:58:08,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2021-01-06 18:58:09,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317863 states. [2021-01-06 18:58:22,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317863 to 314530. [2021-01-06 18:58:22,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314530 states. [2021-01-06 18:58:23,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314530 states to 314530 states and 567934 transitions. [2021-01-06 18:58:23,650 INFO L78 Accepts]: Start accepts. Automaton has 314530 states and 567934 transitions. Word has length 82 [2021-01-06 18:58:23,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:23,650 INFO L481 AbstractCegarLoop]: Abstraction has 314530 states and 567934 transitions. [2021-01-06 18:58:23,651 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:58:23,651 INFO L276 IsEmpty]: Start isEmpty. Operand 314530 states and 567934 transitions. [2021-01-06 18:58:23,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:58:23,706 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:23,706 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:23,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:58:23,709 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]=== [2021-01-06 18:58:23,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:23,710 INFO L82 PathProgramCache]: Analyzing trace with hash -94090860, now seen corresponding path program 1 times [2021-01-06 18:58:23,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:23,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357837511] [2021-01-06 18:58:23,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:23,933 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:23,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357837511] [2021-01-06 18:58:23,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:23,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:58:23,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400850410] [2021-01-06 18:58:23,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:58:23,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:23,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:58:23,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:58:23,936 INFO L87 Difference]: Start difference. First operand 314530 states and 567934 transitions. Second operand 8 states. [2021-01-06 18:58:38,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:38,439 INFO L93 Difference]: Finished difference Result 323974 states and 583826 transitions. [2021-01-06 18:58:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 18:58:38,439 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 82 [2021-01-06 18:58:38,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:39,427 INFO L225 Difference]: With dead ends: 323974 [2021-01-06 18:58:39,427 INFO L226 Difference]: Without dead ends: 322561 [2021-01-06 18:58:39,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2021-01-06 18:58:39,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322561 states. [2021-01-06 18:58:53,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322561 to 316187. [2021-01-06 18:58:53,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316187 states. [2021-01-06 18:58:54,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316187 states to 316187 states and 570665 transitions. [2021-01-06 18:58:54,478 INFO L78 Accepts]: Start accepts. Automaton has 316187 states and 570665 transitions. Word has length 82 [2021-01-06 18:58:54,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:54,478 INFO L481 AbstractCegarLoop]: Abstraction has 316187 states and 570665 transitions. [2021-01-06 18:58:54,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:58:54,478 INFO L276 IsEmpty]: Start isEmpty. Operand 316187 states and 570665 transitions. [2021-01-06 18:58:54,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:58:54,524 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:54,525 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:54,525 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:58:54,525 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]=== [2021-01-06 18:58:54,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:54,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1476953634, now seen corresponding path program 1 times [2021-01-06 18:58:54,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:54,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380000758] [2021-01-06 18:58:54,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:54,648 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:54,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380000758] [2021-01-06 18:58:54,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:54,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:58:54,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777801442] [2021-01-06 18:58:54,649 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:58:54,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:54,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:58:54,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:58:54,650 INFO L87 Difference]: Start difference. First operand 316187 states and 570665 transitions. Second operand 8 states. [2021-01-06 18:59:06,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:59:06,912 INFO L93 Difference]: Finished difference Result 321027 states and 578766 transitions. [2021-01-06 18:59:06,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:59:06,912 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2021-01-06 18:59:06,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:59:07,759 INFO L225 Difference]: With dead ends: 321027 [2021-01-06 18:59:07,759 INFO L226 Difference]: Without dead ends: 318001 [2021-01-06 18:59:07,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-01-06 18:59:08,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318001 states. [2021-01-06 18:59:24,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318001 to 315887. [2021-01-06 18:59:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315887 states. [2021-01-06 18:59:25,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315887 states to 315887 states and 570161 transitions. [2021-01-06 18:59:25,803 INFO L78 Accepts]: Start accepts. Automaton has 315887 states and 570161 transitions. Word has length 83 [2021-01-06 18:59:25,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:59:25,804 INFO L481 AbstractCegarLoop]: Abstraction has 315887 states and 570161 transitions. [2021-01-06 18:59:25,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:59:25,816 INFO L276 IsEmpty]: Start isEmpty. Operand 315887 states and 570161 transitions. [2021-01-06 18:59:25,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:59:25,881 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:59:25,881 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:59:25,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:59:25,882 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]=== [2021-01-06 18:59:25,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:59:25,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1621020112, now seen corresponding path program 1 times [2021-01-06 18:59:25,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:59:25,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030545711] [2021-01-06 18:59:25,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:59:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:59:25,966 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:59:25,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030545711] [2021-01-06 18:59:25,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:59:25,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:59:25,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175209087] [2021-01-06 18:59:25,967 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:59:25,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:59:25,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:59:25,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:59:25,968 INFO L87 Difference]: Start difference. First operand 315887 states and 570161 transitions. Second operand 4 states. [2021-01-06 18:59:37,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:59:37,522 INFO L93 Difference]: Finished difference Result 322343 states and 580851 transitions. [2021-01-06 18:59:37,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:59:37,523 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2021-01-06 18:59:37,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:59:38,416 INFO L225 Difference]: With dead ends: 322343 [2021-01-06 18:59:38,416 INFO L226 Difference]: Without dead ends: 319433 [2021-01-06 18:59:38,486 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:59:38,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319433 states. [2021-01-06 18:59:52,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319433 to 315825. [2021-01-06 18:59:52,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315825 states. [2021-01-06 18:59:53,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315825 states to 315825 states and 570019 transitions. [2021-01-06 18:59:53,316 INFO L78 Accepts]: Start accepts. Automaton has 315825 states and 570019 transitions. Word has length 85 [2021-01-06 18:59:53,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:59:53,316 INFO L481 AbstractCegarLoop]: Abstraction has 315825 states and 570019 transitions. [2021-01-06 18:59:53,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:59:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 315825 states and 570019 transitions. [2021-01-06 18:59:53,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:59:53,353 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:59:53,353 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:59:53,353 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:59:53,353 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]=== [2021-01-06 18:59:53,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:59:53,354 INFO L82 PathProgramCache]: Analyzing trace with hash -486156505, now seen corresponding path program 1 times [2021-01-06 18:59:53,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:59:53,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625518911] [2021-01-06 18:59:53,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:59:53,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:59:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:59:53,427 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625518911] [2021-01-06 18:59:53,427 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:59:53,427 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:59:53,428 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836712819] [2021-01-06 18:59:53,428 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:59:53,428 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:59:53,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:59:53,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:59:53,429 INFO L87 Difference]: Start difference. First operand 315825 states and 570019 transitions. Second operand 4 states.