/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_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 08:59:36,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 08:59:36,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 08:59:36,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 08:59:36,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 08:59:36,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 08:59:36,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 08:59:36,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 08:59:36,266 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 08:59:36,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 08:59:36,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 08:59:36,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 08:59:36,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 08:59:36,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 08:59:36,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 08:59:36,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 08:59:36,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 08:59:36,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 08:59:36,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 08:59:36,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 08:59:36,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 08:59:36,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 08:59:36,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 08:59:36,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 08:59:36,318 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 08:59:36,319 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 08:59:36,319 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 08:59:36,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 08:59:36,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 08:59:36,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 08:59:36,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 08:59:36,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 08:59:36,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 08:59:36,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 08:59:36,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 08:59:36,326 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 08:59:36,327 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 08:59:36,327 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 08:59:36,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 08:59:36,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 08:59:36,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 08:59:36,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 08:59:36,358 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 08:59:36,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 08:59:36,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 08:59:36,374 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 08:59:36,374 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 08:59:36,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 08:59:36,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 08:59:36,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 08:59:36,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 08:59:36,377 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 08:59:36,377 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 08:59:36,377 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 08:59:36,378 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 08:59:36,378 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 08:59:36,378 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 08:59:36,378 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 08:59:36,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 08:59:36,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:59:36,379 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 08:59:36,379 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 08:59:36,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 08:59:36,380 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 08:59:36,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 08:59:36,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 08:59:36,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 08:59:36,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 08:59:36,824 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 08:59:36,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 08:59:36,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 08:59:36,863 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 08:59:36,864 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 08:59:36,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2020-12-23 08:59:36,948 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a22692f79/ee32899f518b428884254c433abd3215/FLAG55baa28ec [2020-12-23 08:59:37,816 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 08:59:37,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2020-12-23 08:59:37,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a22692f79/ee32899f518b428884254c433abd3215/FLAG55baa28ec [2020-12-23 08:59:38,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a22692f79/ee32899f518b428884254c433abd3215 [2020-12-23 08:59:38,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 08:59:38,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 08:59:38,028 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 08:59:38,028 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 08:59:38,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 08:59:38,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:59:38" (1/1) ... [2020-12-23 08:59:38,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b397d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:38, skipping insertion in model container [2020-12-23 08:59:38,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 08:59:38" (1/1) ... [2020-12-23 08:59:38,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 08:59:38,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-23 08:59:38,383 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_spec4_product27.cil.c[1218,1231] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~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_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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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[~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_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~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[~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[~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[~retValue_acc~10,] 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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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[~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[~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[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__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~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_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] 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_tmp9~1,] 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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~tmp~7,] 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_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_tmp7~3,] 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_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~8,] 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~34,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] 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_13~0,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] 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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] 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[~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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] [2020-12-23 08:59:38,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:59:38,916 INFO L203 MainTranslator]: Completed pre-run [2020-12-23 08:59:38,930 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_spec4_product27.cil.c[1218,1231] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] 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~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_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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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[~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_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~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[~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[~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[~retValue_acc~10,] 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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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[~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[~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[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] 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~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__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~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_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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] 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_tmp9~1,] 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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] 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_tmp7~2,] 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[~tmp~7,] 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_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] 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_tmp7~3,] 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_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~8,] 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~34,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] 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_13~0,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] 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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] 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___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] 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[~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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] [2020-12-23 08:59:39,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 08:59:39,134 INFO L208 MainTranslator]: Completed translation [2020-12-23 08:59:39,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39 WrapperNode [2020-12-23 08:59:39,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 08:59:39,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 08:59:39,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 08:59:39,137 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 08:59:39,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... [2020-12-23 08:59:39,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... [2020-12-23 08:59:39,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 08:59:39,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 08:59:39,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 08:59:39,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 08:59:39,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... [2020-12-23 08:59:39,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... [2020-12-23 08:59:39,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... [2020-12-23 08:59:39,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... [2020-12-23 08:59:39,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... [2020-12-23 08:59:39,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... [2020-12-23 08:59:39,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... [2020-12-23 08:59:39,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 08:59:39,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 08:59:39,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 08:59:39,553 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 08:59:39,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 08:59:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 08:59:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 08:59:39,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 08:59:39,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 08:59:39,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 08:59:42,860 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 08:59:42,861 INFO L299 CfgBuilder]: Removed 697 assume(true) statements. [2020-12-23 08:59:42,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:59:42 BoogieIcfgContainer [2020-12-23 08:59:42,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 08:59:42,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 08:59:42,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 08:59:42,870 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 08:59:42,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 08:59:38" (1/3) ... [2020-12-23 08:59:42,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567c8823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:59:42, skipping insertion in model container [2020-12-23 08:59:42,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 08:59:39" (2/3) ... [2020-12-23 08:59:42,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@567c8823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 08:59:42, skipping insertion in model container [2020-12-23 08:59:42,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 08:59:42" (3/3) ... [2020-12-23 08:59:42,874 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2020-12-23 08:59:42,882 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 08:59:42,888 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 08:59:42,909 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 08:59:42,943 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 08:59:42,943 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 08:59:42,943 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 08:59:42,944 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 08:59:42,944 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 08:59:42,944 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 08:59:42,944 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 08:59:42,944 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 08:59:42,979 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states. [2020-12-23 08:59:42,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-23 08:59:42,993 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:42,995 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] [2020-12-23 08:59:42,995 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:43,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:43,002 INFO L82 PathProgramCache]: Analyzing trace with hash -55816793, now seen corresponding path program 1 times [2020-12-23 08:59:43,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:43,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419655271] [2020-12-23 08:59:43,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:43,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419655271] [2020-12-23 08:59:43,501 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:43,501 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:43,502 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434404029] [2020-12-23 08:59:43,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:43,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:43,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:43,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:43,527 INFO L87 Difference]: Start difference. First operand 988 states. Second operand 3 states. [2020-12-23 08:59:43,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:43,777 INFO L93 Difference]: Finished difference Result 2929 states and 5027 transitions. [2020-12-23 08:59:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:43,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2020-12-23 08:59:43,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:43,819 INFO L225 Difference]: With dead ends: 2929 [2020-12-23 08:59:43,819 INFO L226 Difference]: Without dead ends: 1636 [2020-12-23 08:59:43,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:43,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2020-12-23 08:59:43,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 827. [2020-12-23 08:59:43,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-12-23 08:59:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1416 transitions. [2020-12-23 08:59:43,967 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1416 transitions. Word has length 43 [2020-12-23 08:59:43,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:43,968 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1416 transitions. [2020-12-23 08:59:43,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1416 transitions. [2020-12-23 08:59:43,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-23 08:59:43,977 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:43,978 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:43,978 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 08:59:43,978 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:43,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:43,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1736903946, now seen corresponding path program 1 times [2020-12-23 08:59:43,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:43,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115867945] [2020-12-23 08:59:43,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:44,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:44,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115867945] [2020-12-23 08:59:44,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:44,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:44,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43906086] [2020-12-23 08:59:44,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:44,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:44,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:44,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:44,217 INFO L87 Difference]: Start difference. First operand 827 states and 1416 transitions. Second operand 5 states. [2020-12-23 08:59:44,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:44,440 INFO L93 Difference]: Finished difference Result 2430 states and 4164 transitions. [2020-12-23 08:59:44,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 08:59:44,441 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2020-12-23 08:59:44,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:44,456 INFO L225 Difference]: With dead ends: 2430 [2020-12-23 08:59:44,457 INFO L226 Difference]: Without dead ends: 1622 [2020-12-23 08:59:44,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 08:59:44,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2020-12-23 08:59:44,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 827. [2020-12-23 08:59:44,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-12-23 08:59:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1415 transitions. [2020-12-23 08:59:44,505 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1415 transitions. Word has length 45 [2020-12-23 08:59:44,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:44,505 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1415 transitions. [2020-12-23 08:59:44,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1415 transitions. [2020-12-23 08:59:44,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-23 08:59:44,507 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:44,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:44,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 08:59:44,508 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:44,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:44,509 INFO L82 PathProgramCache]: Analyzing trace with hash 206278857, now seen corresponding path program 1 times [2020-12-23 08:59:44,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:44,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387325970] [2020-12-23 08:59:44,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:44,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:44,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387325970] [2020-12-23 08:59:44,616 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:44,616 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:44,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379340489] [2020-12-23 08:59:44,617 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:44,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:44,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:44,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:44,629 INFO L87 Difference]: Start difference. First operand 827 states and 1415 transitions. Second operand 3 states. [2020-12-23 08:59:44,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:44,693 INFO L93 Difference]: Finished difference Result 1636 states and 2804 transitions. [2020-12-23 08:59:44,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:44,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-12-23 08:59:44,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:44,698 INFO L225 Difference]: With dead ends: 1636 [2020-12-23 08:59:44,699 INFO L226 Difference]: Without dead ends: 832 [2020-12-23 08:59:44,700 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:44,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2020-12-23 08:59:44,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 827. [2020-12-23 08:59:44,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-12-23 08:59:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1414 transitions. [2020-12-23 08:59:44,737 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1414 transitions. Word has length 46 [2020-12-23 08:59:44,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:44,737 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1414 transitions. [2020-12-23 08:59:44,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1414 transitions. [2020-12-23 08:59:44,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-23 08:59:44,739 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:44,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:44,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 08:59:44,740 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:44,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:44,741 INFO L82 PathProgramCache]: Analyzing trace with hash 307192259, now seen corresponding path program 1 times [2020-12-23 08:59:44,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:44,741 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228626984] [2020-12-23 08:59:44,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:44,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:44,870 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228626984] [2020-12-23 08:59:44,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:44,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:44,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717274143] [2020-12-23 08:59:44,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:44,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:44,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:44,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:44,873 INFO L87 Difference]: Start difference. First operand 827 states and 1414 transitions. Second operand 3 states. [2020-12-23 08:59:44,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:44,940 INFO L93 Difference]: Finished difference Result 1646 states and 2817 transitions. [2020-12-23 08:59:44,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:44,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-12-23 08:59:44,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:44,946 INFO L225 Difference]: With dead ends: 1646 [2020-12-23 08:59:44,946 INFO L226 Difference]: Without dead ends: 827 [2020-12-23 08:59:44,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:44,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2020-12-23 08:59:44,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 827. [2020-12-23 08:59:44,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-12-23 08:59:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1412 transitions. [2020-12-23 08:59:44,981 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1412 transitions. Word has length 47 [2020-12-23 08:59:44,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:44,981 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1412 transitions. [2020-12-23 08:59:44,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:44,981 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1412 transitions. [2020-12-23 08:59:44,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-12-23 08:59:44,983 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:44,983 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:44,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 08:59:44,983 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:44,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:44,985 INFO L82 PathProgramCache]: Analyzing trace with hash 894540110, now seen corresponding path program 1 times [2020-12-23 08:59:44,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:44,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829190096] [2020-12-23 08:59:44,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:45,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:45,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:45,113 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829190096] [2020-12-23 08:59:45,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:45,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:45,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771350431] [2020-12-23 08:59:45,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:45,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:45,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:45,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:45,117 INFO L87 Difference]: Start difference. First operand 827 states and 1412 transitions. Second operand 5 states. [2020-12-23 08:59:45,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:45,340 INFO L93 Difference]: Finished difference Result 2420 states and 4144 transitions. [2020-12-23 08:59:45,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:59:45,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-12-23 08:59:45,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:45,356 INFO L225 Difference]: With dead ends: 2420 [2020-12-23 08:59:45,356 INFO L226 Difference]: Without dead ends: 1620 [2020-12-23 08:59:45,358 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:59:45,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2020-12-23 08:59:45,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 827. [2020-12-23 08:59:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-12-23 08:59:45,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1411 transitions. [2020-12-23 08:59:45,414 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1411 transitions. Word has length 48 [2020-12-23 08:59:45,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:45,415 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1411 transitions. [2020-12-23 08:59:45,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:45,415 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1411 transitions. [2020-12-23 08:59:45,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-12-23 08:59:45,416 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:45,417 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:45,417 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 08:59:45,417 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:45,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:45,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1315351157, now seen corresponding path program 1 times [2020-12-23 08:59:45,418 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:45,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502972725] [2020-12-23 08:59:45,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:45,545 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502972725] [2020-12-23 08:59:45,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:45,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:45,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648246660] [2020-12-23 08:59:45,548 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:45,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:45,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:45,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:45,549 INFO L87 Difference]: Start difference. First operand 827 states and 1411 transitions. Second operand 5 states. [2020-12-23 08:59:45,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:45,783 INFO L93 Difference]: Finished difference Result 2425 states and 4149 transitions. [2020-12-23 08:59:45,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:59:45,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2020-12-23 08:59:45,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:45,794 INFO L225 Difference]: With dead ends: 2425 [2020-12-23 08:59:45,794 INFO L226 Difference]: Without dead ends: 1625 [2020-12-23 08:59:45,796 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:59:45,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2020-12-23 08:59:45,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 827. [2020-12-23 08:59:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2020-12-23 08:59:45,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1410 transitions. [2020-12-23 08:59:45,850 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1410 transitions. Word has length 49 [2020-12-23 08:59:45,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:45,850 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1410 transitions. [2020-12-23 08:59:45,850 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:45,850 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1410 transitions. [2020-12-23 08:59:45,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 08:59:45,852 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:45,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:45,852 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 08:59:45,852 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:45,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:45,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1931962509, now seen corresponding path program 1 times [2020-12-23 08:59:45,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:45,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237284920] [2020-12-23 08:59:45,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:45,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:45,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237284920] [2020-12-23 08:59:45,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:45,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:45,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318991198] [2020-12-23 08:59:45,916 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:45,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:45,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:45,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:45,917 INFO L87 Difference]: Start difference. First operand 827 states and 1410 transitions. Second operand 3 states. [2020-12-23 08:59:45,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:45,972 INFO L93 Difference]: Finished difference Result 1369 states and 2307 transitions. [2020-12-23 08:59:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:45,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2020-12-23 08:59:45,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:45,978 INFO L225 Difference]: With dead ends: 1369 [2020-12-23 08:59:45,978 INFO L226 Difference]: Without dead ends: 830 [2020-12-23 08:59:45,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:45,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-12-23 08:59:46,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 829. [2020-12-23 08:59:46,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2020-12-23 08:59:46,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1412 transitions. [2020-12-23 08:59:46,029 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1412 transitions. Word has length 50 [2020-12-23 08:59:46,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:46,030 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1412 transitions. [2020-12-23 08:59:46,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:46,030 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1412 transitions. [2020-12-23 08:59:46,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 08:59:46,032 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:46,033 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:46,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 08:59:46,033 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:46,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:46,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1829492795, now seen corresponding path program 1 times [2020-12-23 08:59:46,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:46,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222741676] [2020-12-23 08:59:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:46,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:46,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222741676] [2020-12-23 08:59:46,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:46,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:46,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074650889] [2020-12-23 08:59:46,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:46,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:46,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:46,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:46,150 INFO L87 Difference]: Start difference. First operand 829 states and 1412 transitions. Second operand 3 states. [2020-12-23 08:59:46,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:46,266 INFO L93 Difference]: Finished difference Result 2373 states and 4060 transitions. [2020-12-23 08:59:46,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:46,266 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2020-12-23 08:59:46,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:46,277 INFO L225 Difference]: With dead ends: 2373 [2020-12-23 08:59:46,277 INFO L226 Difference]: Without dead ends: 1575 [2020-12-23 08:59:46,281 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:46,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2020-12-23 08:59:46,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1036. [2020-12-23 08:59:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2020-12-23 08:59:46,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1794 transitions. [2020-12-23 08:59:46,371 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1794 transitions. Word has length 58 [2020-12-23 08:59:46,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:46,372 INFO L481 AbstractCegarLoop]: Abstraction has 1036 states and 1794 transitions. [2020-12-23 08:59:46,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1794 transitions. [2020-12-23 08:59:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 08:59:46,374 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:46,374 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:46,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 08:59:46,375 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:46,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:46,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1979178118, now seen corresponding path program 1 times [2020-12-23 08:59:46,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:46,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637947957] [2020-12-23 08:59:46,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:46,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:46,481 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637947957] [2020-12-23 08:59:46,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:46,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:46,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214434061] [2020-12-23 08:59:46,483 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:46,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:46,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:46,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:46,486 INFO L87 Difference]: Start difference. First operand 1036 states and 1794 transitions. Second operand 5 states. [2020-12-23 08:59:46,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:46,846 INFO L93 Difference]: Finished difference Result 3038 states and 5288 transitions. [2020-12-23 08:59:46,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 08:59:46,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-23 08:59:46,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:46,859 INFO L225 Difference]: With dead ends: 3038 [2020-12-23 08:59:46,859 INFO L226 Difference]: Without dead ends: 2033 [2020-12-23 08:59:46,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-23 08:59:46,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2020-12-23 08:59:46,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1036. [2020-12-23 08:59:46,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2020-12-23 08:59:46,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1792 transitions. [2020-12-23 08:59:46,952 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1792 transitions. Word has length 59 [2020-12-23 08:59:46,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:46,953 INFO L481 AbstractCegarLoop]: Abstraction has 1036 states and 1792 transitions. [2020-12-23 08:59:46,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:46,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1792 transitions. [2020-12-23 08:59:46,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:59:46,955 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:46,955 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:46,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 08:59:46,955 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:46,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:46,956 INFO L82 PathProgramCache]: Analyzing trace with hash -657876913, now seen corresponding path program 1 times [2020-12-23 08:59:46,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:46,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304832411] [2020-12-23 08:59:46,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:47,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304832411] [2020-12-23 08:59:47,028 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:47,028 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:47,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064407423] [2020-12-23 08:59:47,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:47,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:47,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:47,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:47,031 INFO L87 Difference]: Start difference. First operand 1036 states and 1792 transitions. Second operand 3 states. [2020-12-23 08:59:47,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:47,167 INFO L93 Difference]: Finished difference Result 3036 states and 5280 transitions. [2020-12-23 08:59:47,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:47,170 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 08:59:47,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:47,182 INFO L225 Difference]: With dead ends: 3036 [2020-12-23 08:59:47,182 INFO L226 Difference]: Without dead ends: 2031 [2020-12-23 08:59:47,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:47,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2020-12-23 08:59:47,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1492. [2020-12-23 08:59:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2020-12-23 08:59:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2633 transitions. [2020-12-23 08:59:47,304 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2633 transitions. Word has length 60 [2020-12-23 08:59:47,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:47,304 INFO L481 AbstractCegarLoop]: Abstraction has 1492 states and 2633 transitions. [2020-12-23 08:59:47,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:47,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2633 transitions. [2020-12-23 08:59:47,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 08:59:47,306 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:47,306 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:47,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 08:59:47,307 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:47,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:47,307 INFO L82 PathProgramCache]: Analyzing trace with hash -114247695, now seen corresponding path program 1 times [2020-12-23 08:59:47,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:47,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308801746] [2020-12-23 08:59:47,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:47,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:47,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308801746] [2020-12-23 08:59:47,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083703580] [2020-12-23 08:59:47,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 08:59:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:47,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 08:59:47,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 08:59:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:47,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 08:59:47,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 08:59:47,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739382598] [2020-12-23 08:59:47,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:47,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:47,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:47,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:47,992 INFO L87 Difference]: Start difference. First operand 1492 states and 2633 transitions. Second operand 5 states. [2020-12-23 08:59:48,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:48,155 INFO L93 Difference]: Finished difference Result 2836 states and 4904 transitions. [2020-12-23 08:59:48,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 08:59:48,156 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-12-23 08:59:48,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:48,169 INFO L225 Difference]: With dead ends: 2836 [2020-12-23 08:59:48,169 INFO L226 Difference]: Without dead ends: 2297 [2020-12-23 08:59:48,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:48,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2020-12-23 08:59:48,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 1755. [2020-12-23 08:59:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1755 states. [2020-12-23 08:59:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 3112 transitions. [2020-12-23 08:59:48,323 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 3112 transitions. Word has length 60 [2020-12-23 08:59:48,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:48,324 INFO L481 AbstractCegarLoop]: Abstraction has 1755 states and 3112 transitions. [2020-12-23 08:59:48,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 08:59:48,324 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 3112 transitions. [2020-12-23 08:59:48,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-23 08:59:48,327 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:48,327 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, 1, 1, 1, 1, 1] [2020-12-23 08:59:48,542 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-23 08:59:48,543 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:48,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:48,544 INFO L82 PathProgramCache]: Analyzing trace with hash 451396788, now seen corresponding path program 1 times [2020-12-23 08:59:48,544 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:48,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120680648] [2020-12-23 08:59:48,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:48,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120680648] [2020-12-23 08:59:48,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:48,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:48,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187919744] [2020-12-23 08:59:48,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:48,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:48,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:48,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:48,613 INFO L87 Difference]: Start difference. First operand 1755 states and 3112 transitions. Second operand 3 states. [2020-12-23 08:59:48,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:48,790 INFO L93 Difference]: Finished difference Result 4852 states and 8621 transitions. [2020-12-23 08:59:48,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:48,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2020-12-23 08:59:48,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:48,809 INFO L225 Difference]: With dead ends: 4852 [2020-12-23 08:59:48,809 INFO L226 Difference]: Without dead ends: 3198 [2020-12-23 08:59:48,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3198 states. [2020-12-23 08:59:48,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3198 to 2659. [2020-12-23 08:59:48,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2659 states. [2020-12-23 08:59:48,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 4773 transitions. [2020-12-23 08:59:48,976 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 4773 transitions. Word has length 64 [2020-12-23 08:59:48,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:48,978 INFO L481 AbstractCegarLoop]: Abstraction has 2659 states and 4773 transitions. [2020-12-23 08:59:48,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:48,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 4773 transitions. [2020-12-23 08:59:48,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-23 08:59:48,985 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:48,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:48,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 08:59:48,985 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:48,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:48,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1105180468, now seen corresponding path program 1 times [2020-12-23 08:59:48,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:48,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478113613] [2020-12-23 08:59:48,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:49,052 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478113613] [2020-12-23 08:59:49,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:49,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:49,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98254050] [2020-12-23 08:59:49,053 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:49,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:49,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:49,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:49,060 INFO L87 Difference]: Start difference. First operand 2659 states and 4773 transitions. Second operand 3 states. [2020-12-23 08:59:49,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:49,342 INFO L93 Difference]: Finished difference Result 7300 states and 13123 transitions. [2020-12-23 08:59:49,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:49,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-12-23 08:59:49,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:49,370 INFO L225 Difference]: With dead ends: 7300 [2020-12-23 08:59:49,370 INFO L226 Difference]: Without dead ends: 4776 [2020-12-23 08:59:49,375 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:49,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4776 states. [2020-12-23 08:59:49,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4776 to 4237. [2020-12-23 08:59:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4237 states. [2020-12-23 08:59:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 4237 states and 7670 transitions. [2020-12-23 08:59:49,619 INFO L78 Accepts]: Start accepts. Automaton has 4237 states and 7670 transitions. Word has length 65 [2020-12-23 08:59:49,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:49,619 INFO L481 AbstractCegarLoop]: Abstraction has 4237 states and 7670 transitions. [2020-12-23 08:59:49,619 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 4237 states and 7670 transitions. [2020-12-23 08:59:49,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 08:59:49,624 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:49,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:49,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 08:59:49,625 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:49,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:49,625 INFO L82 PathProgramCache]: Analyzing trace with hash 1150625891, now seen corresponding path program 1 times [2020-12-23 08:59:49,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:49,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698025417] [2020-12-23 08:59:49,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:49,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:49,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698025417] [2020-12-23 08:59:49,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:49,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:49,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663127754] [2020-12-23 08:59:49,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:49,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:49,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:49,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:49,687 INFO L87 Difference]: Start difference. First operand 4237 states and 7670 transitions. Second operand 3 states. [2020-12-23 08:59:50,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:50,102 INFO L93 Difference]: Finished difference Result 11750 states and 21297 transitions. [2020-12-23 08:59:50,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:50,103 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 08:59:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:50,131 INFO L225 Difference]: With dead ends: 11750 [2020-12-23 08:59:50,131 INFO L226 Difference]: Without dead ends: 7682 [2020-12-23 08:59:50,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7682 states. [2020-12-23 08:59:50,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7682 to 7143. [2020-12-23 08:59:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7143 states. [2020-12-23 08:59:50,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7143 states to 7143 states and 12999 transitions. [2020-12-23 08:59:50,577 INFO L78 Accepts]: Start accepts. Automaton has 7143 states and 12999 transitions. Word has length 66 [2020-12-23 08:59:50,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:50,577 INFO L481 AbstractCegarLoop]: Abstraction has 7143 states and 12999 transitions. [2020-12-23 08:59:50,577 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:50,577 INFO L276 IsEmpty]: Start isEmpty. Operand 7143 states and 12999 transitions. [2020-12-23 08:59:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 08:59:50,582 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:50,582 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:50,583 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 08:59:50,583 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:50,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:50,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1226088451, now seen corresponding path program 1 times [2020-12-23 08:59:50,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:50,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775841534] [2020-12-23 08:59:50,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:50,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775841534] [2020-12-23 08:59:50,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:50,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:50,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238785356] [2020-12-23 08:59:50,643 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:50,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:50,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:50,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:50,644 INFO L87 Difference]: Start difference. First operand 7143 states and 12999 transitions. Second operand 3 states. [2020-12-23 08:59:51,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:51,258 INFO L93 Difference]: Finished difference Result 20794 states and 37895 transitions. [2020-12-23 08:59:51,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:51,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2020-12-23 08:59:51,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:51,296 INFO L225 Difference]: With dead ends: 20794 [2020-12-23 08:59:51,297 INFO L226 Difference]: Without dead ends: 13828 [2020-12-23 08:59:51,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:51,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13828 states. [2020-12-23 08:59:51,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13828 to 13289. [2020-12-23 08:59:51,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13289 states. [2020-12-23 08:59:51,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13289 states to 13289 states and 24264 transitions. [2020-12-23 08:59:51,945 INFO L78 Accepts]: Start accepts. Automaton has 13289 states and 24264 transitions. Word has length 67 [2020-12-23 08:59:51,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:51,946 INFO L481 AbstractCegarLoop]: Abstraction has 13289 states and 24264 transitions. [2020-12-23 08:59:51,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:51,946 INFO L276 IsEmpty]: Start isEmpty. Operand 13289 states and 24264 transitions. [2020-12-23 08:59:51,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-12-23 08:59:51,952 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:51,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:51,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 08:59:51,953 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:51,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:51,954 INFO L82 PathProgramCache]: Analyzing trace with hash -911097964, now seen corresponding path program 1 times [2020-12-23 08:59:51,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:51,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688962427] [2020-12-23 08:59:51,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:52,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:52,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688962427] [2020-12-23 08:59:52,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:52,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:52,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303099113] [2020-12-23 08:59:52,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:52,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:52,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:52,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:52,015 INFO L87 Difference]: Start difference. First operand 13289 states and 24264 transitions. Second operand 3 states. [2020-12-23 08:59:53,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:53,056 INFO L93 Difference]: Finished difference Result 39062 states and 71389 transitions. [2020-12-23 08:59:53,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:53,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2020-12-23 08:59:53,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:53,137 INFO L225 Difference]: With dead ends: 39062 [2020-12-23 08:59:53,137 INFO L226 Difference]: Without dead ends: 25958 [2020-12-23 08:59:53,160 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:53,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25958 states. [2020-12-23 08:59:54,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25958 to 25419. [2020-12-23 08:59:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25419 states. [2020-12-23 08:59:54,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25419 states to 25419 states and 46473 transitions. [2020-12-23 08:59:54,524 INFO L78 Accepts]: Start accepts. Automaton has 25419 states and 46473 transitions. Word has length 68 [2020-12-23 08:59:54,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:54,524 INFO L481 AbstractCegarLoop]: Abstraction has 25419 states and 46473 transitions. [2020-12-23 08:59:54,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:54,524 INFO L276 IsEmpty]: Start isEmpty. Operand 25419 states and 46473 transitions. [2020-12-23 08:59:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-12-23 08:59:54,532 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:54,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 08:59:54,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 08:59:54,532 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:54,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:54,533 INFO L82 PathProgramCache]: Analyzing trace with hash 437171412, now seen corresponding path program 1 times [2020-12-23 08:59:54,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:54,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042255218] [2020-12-23 08:59:54,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 08:59:54,596 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042255218] [2020-12-23 08:59:54,596 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:54,596 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 08:59:54,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189133501] [2020-12-23 08:59:54,597 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 08:59:54,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:54,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 08:59:54,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:54,598 INFO L87 Difference]: Start difference. First operand 25419 states and 46473 transitions. Second operand 3 states. [2020-12-23 08:59:56,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 08:59:56,529 INFO L93 Difference]: Finished difference Result 70091 states and 127752 transitions. [2020-12-23 08:59:56,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 08:59:56,529 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2020-12-23 08:59:56,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 08:59:56,673 INFO L225 Difference]: With dead ends: 70091 [2020-12-23 08:59:56,673 INFO L226 Difference]: Without dead ends: 44904 [2020-12-23 08:59:56,718 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 08:59:56,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44904 states. [2020-12-23 08:59:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44904 to 44365. [2020-12-23 08:59:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44365 states. [2020-12-23 08:59:58,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44365 states to 44365 states and 80650 transitions. [2020-12-23 08:59:58,720 INFO L78 Accepts]: Start accepts. Automaton has 44365 states and 80650 transitions. Word has length 69 [2020-12-23 08:59:58,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 08:59:58,720 INFO L481 AbstractCegarLoop]: Abstraction has 44365 states and 80650 transitions. [2020-12-23 08:59:58,720 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 08:59:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand 44365 states and 80650 transitions. [2020-12-23 08:59:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 08:59:58,728 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 08:59:58,729 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] [2020-12-23 08:59:58,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-23 08:59:58,729 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 08:59:58,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 08:59:58,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1777749171, now seen corresponding path program 1 times [2020-12-23 08:59:58,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 08:59:58,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599130018] [2020-12-23 08:59:58,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 08:59:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 08:59:58,806 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 08:59:58,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599130018] [2020-12-23 08:59:58,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 08:59:58,807 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 08:59:58,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556151237] [2020-12-23 08:59:58,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 08:59:58,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 08:59:58,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 08:59:58,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 08:59:58,809 INFO L87 Difference]: Start difference. First operand 44365 states and 80650 transitions. Second operand 5 states. [2020-12-23 09:00:02,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:02,483 INFO L93 Difference]: Finished difference Result 130704 states and 237585 transitions. [2020-12-23 09:00:02,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:00:02,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-12-23 09:00:02,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:02,708 INFO L225 Difference]: With dead ends: 130704 [2020-12-23 09:00:02,708 INFO L226 Difference]: Without dead ends: 86639 [2020-12-23 09:00:02,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:00:03,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86639 states. [2020-12-23 09:00:05,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86639 to 44365. [2020-12-23 09:00:05,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44365 states. [2020-12-23 09:00:05,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44365 states to 44365 states and 80392 transitions. [2020-12-23 09:00:05,403 INFO L78 Accepts]: Start accepts. Automaton has 44365 states and 80392 transitions. Word has length 70 [2020-12-23 09:00:05,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:05,403 INFO L481 AbstractCegarLoop]: Abstraction has 44365 states and 80392 transitions. [2020-12-23 09:00:05,403 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:05,403 INFO L276 IsEmpty]: Start isEmpty. Operand 44365 states and 80392 transitions. [2020-12-23 09:00:05,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 09:00:05,410 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:05,410 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] [2020-12-23 09:00:05,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:00:05,410 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:05,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:05,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1234119953, now seen corresponding path program 2 times [2020-12-23 09:00:05,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:05,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564106670] [2020-12-23 09:00:05,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:05,480 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564106670] [2020-12-23 09:00:05,481 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:05,481 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:00:05,481 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089195942] [2020-12-23 09:00:05,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:00:05,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:05,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:00:05,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:05,482 INFO L87 Difference]: Start difference. First operand 44365 states and 80392 transitions. Second operand 5 states. [2020-12-23 09:00:07,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:07,303 INFO L93 Difference]: Finished difference Result 88963 states and 161154 transitions. [2020-12-23 09:00:07,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:00:07,303 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2020-12-23 09:00:07,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:07,378 INFO L225 Difference]: With dead ends: 88963 [2020-12-23 09:00:07,379 INFO L226 Difference]: Without dead ends: 44904 [2020-12-23 09:00:07,417 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 [2020-12-23 09:00:07,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44904 states. [2020-12-23 09:00:09,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44904 to 44365. [2020-12-23 09:00:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44365 states. [2020-12-23 09:00:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44365 states to 44365 states and 80264 transitions. [2020-12-23 09:00:09,380 INFO L78 Accepts]: Start accepts. Automaton has 44365 states and 80264 transitions. Word has length 70 [2020-12-23 09:00:09,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:09,380 INFO L481 AbstractCegarLoop]: Abstraction has 44365 states and 80264 transitions. [2020-12-23 09:00:09,380 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand 44365 states and 80264 transitions. [2020-12-23 09:00:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-12-23 09:00:09,387 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:09,387 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:09,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:00:09,387 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:09,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:09,388 INFO L82 PathProgramCache]: Analyzing trace with hash 921654882, now seen corresponding path program 1 times [2020-12-23 09:00:09,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:09,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679346879] [2020-12-23 09:00:09,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:00:09,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679346879] [2020-12-23 09:00:09,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:09,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:00:09,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439994468] [2020-12-23 09:00:09,461 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:00:09,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:09,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:00:09,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:09,462 INFO L87 Difference]: Start difference. First operand 44365 states and 80264 transitions. Second operand 3 states. [2020-12-23 09:00:12,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:12,292 INFO L93 Difference]: Finished difference Result 124589 states and 225228 transitions. [2020-12-23 09:00:12,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:00:12,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2020-12-23 09:00:12,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:12,426 INFO L225 Difference]: With dead ends: 124589 [2020-12-23 09:00:12,427 INFO L226 Difference]: Without dead ends: 80490 [2020-12-23 09:00:12,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:00:12,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80490 states. [2020-12-23 09:00:16,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80490 to 79951. [2020-12-23 09:00:16,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79951 states. [2020-12-23 09:00:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79951 states to 79951 states and 144265 transitions. [2020-12-23 09:00:16,223 INFO L78 Accepts]: Start accepts. Automaton has 79951 states and 144265 transitions. Word has length 70 [2020-12-23 09:00:16,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:16,223 INFO L481 AbstractCegarLoop]: Abstraction has 79951 states and 144265 transitions. [2020-12-23 09:00:16,223 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:00:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 79951 states and 144265 transitions. [2020-12-23 09:00:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-23 09:00:16,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:16,232 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:16,232 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:00:16,232 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:16,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:16,233 INFO L82 PathProgramCache]: Analyzing trace with hash -869613207, now seen corresponding path program 1 times [2020-12-23 09:00:16,233 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:16,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242030639] [2020-12-23 09:00:16,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:16,322 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242030639] [2020-12-23 09:00:16,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:16,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:00:16,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572482660] [2020-12-23 09:00:16,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:00:16,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:16,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:00:16,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:16,324 INFO L87 Difference]: Start difference. First operand 79951 states and 144265 transitions. Second operand 5 states. [2020-12-23 09:00:19,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:19,909 INFO L93 Difference]: Finished difference Result 83350 states and 149914 transitions. [2020-12-23 09:00:19,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:00:19,909 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2020-12-23 09:00:19,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:20,049 INFO L225 Difference]: With dead ends: 83350 [2020-12-23 09:00:20,050 INFO L226 Difference]: Without dead ends: 82869 [2020-12-23 09:00:20,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:00:20,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82869 states. [2020-12-23 09:00:23,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82869 to 80463. [2020-12-23 09:00:23,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80463 states. [2020-12-23 09:00:23,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80463 states to 80463 states and 145115 transitions. [2020-12-23 09:00:23,488 INFO L78 Accepts]: Start accepts. Automaton has 80463 states and 145115 transitions. Word has length 71 [2020-12-23 09:00:23,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:23,488 INFO L481 AbstractCegarLoop]: Abstraction has 80463 states and 145115 transitions. [2020-12-23 09:00:23,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:00:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand 80463 states and 145115 transitions. [2020-12-23 09:00:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-12-23 09:00:23,495 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:23,495 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:23,496 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:00:23,496 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:23,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:23,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1341675182, now seen corresponding path program 1 times [2020-12-23 09:00:23,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:23,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570167998] [2020-12-23 09:00:23,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:23,604 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:23,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570167998] [2020-12-23 09:00:23,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:23,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:00:23,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672247501] [2020-12-23 09:00:23,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:00:23,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:23,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:00:23,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:00:23,607 INFO L87 Difference]: Start difference. First operand 80463 states and 145115 transitions. Second operand 8 states. [2020-12-23 09:00:26,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:26,960 INFO L93 Difference]: Finished difference Result 82167 states and 147930 transitions. [2020-12-23 09:00:26,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:00:26,961 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 72 [2020-12-23 09:00:26,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:27,098 INFO L225 Difference]: With dead ends: 82167 [2020-12-23 09:00:27,098 INFO L226 Difference]: Without dead ends: 81221 [2020-12-23 09:00:27,118 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 [2020-12-23 09:00:27,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81221 states. [2020-12-23 09:00:30,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81221 to 80430. [2020-12-23 09:00:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80430 states. [2020-12-23 09:00:30,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80430 states to 80430 states and 145055 transitions. [2020-12-23 09:00:30,284 INFO L78 Accepts]: Start accepts. Automaton has 80430 states and 145055 transitions. Word has length 72 [2020-12-23 09:00:30,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:30,284 INFO L481 AbstractCegarLoop]: Abstraction has 80430 states and 145055 transitions. [2020-12-23 09:00:30,284 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:00:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 80430 states and 145055 transitions. [2020-12-23 09:00:30,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:00:30,291 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:30,291 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:30,291 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:00:30,291 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:30,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:30,292 INFO L82 PathProgramCache]: Analyzing trace with hash 662868436, now seen corresponding path program 1 times [2020-12-23 09:00:30,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:30,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642150703] [2020-12-23 09:00:30,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:30,379 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:30,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642150703] [2020-12-23 09:00:30,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:30,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:00:30,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373667982] [2020-12-23 09:00:30,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:00:30,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:30,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:00:30,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:00:30,381 INFO L87 Difference]: Start difference. First operand 80430 states and 145055 transitions. Second operand 7 states. [2020-12-23 09:00:34,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:34,110 INFO L93 Difference]: Finished difference Result 85896 states and 154110 transitions. [2020-12-23 09:00:34,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-23 09:00:34,111 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2020-12-23 09:00:34,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:34,245 INFO L225 Difference]: With dead ends: 85896 [2020-12-23 09:00:34,245 INFO L226 Difference]: Without dead ends: 85550 [2020-12-23 09:00:34,265 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2020-12-23 09:00:34,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85550 states. [2020-12-23 09:00:37,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85550 to 81435. [2020-12-23 09:00:37,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81435 states. [2020-12-23 09:00:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81435 states to 81435 states and 146720 transitions. [2020-12-23 09:00:37,760 INFO L78 Accepts]: Start accepts. Automaton has 81435 states and 146720 transitions. Word has length 74 [2020-12-23 09:00:37,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:37,761 INFO L481 AbstractCegarLoop]: Abstraction has 81435 states and 146720 transitions. [2020-12-23 09:00:37,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:00:37,761 INFO L276 IsEmpty]: Start isEmpty. Operand 81435 states and 146720 transitions. [2020-12-23 09:00:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 09:00:37,768 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:37,769 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] [2020-12-23 09:00:37,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:00:37,769 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]=== [2020-12-23 09:00:37,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:37,769 INFO L82 PathProgramCache]: Analyzing trace with hash -924336438, now seen corresponding path program 1 times [2020-12-23 09:00:37,770 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:37,770 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348337680] [2020-12-23 09:00:37,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:37,894 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:37,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348337680] [2020-12-23 09:00:37,895 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:37,895 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 09:00:37,895 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395356145] [2020-12-23 09:00:37,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:00:37,896 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:37,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:00:37,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:00:37,897 INFO L87 Difference]: Start difference. First operand 81435 states and 146720 transitions. Second operand 9 states. [2020-12-23 09:00:41,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:41,130 INFO L93 Difference]: Finished difference Result 83291 states and 149799 transitions. [2020-12-23 09:00:41,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 09:00:41,130 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2020-12-23 09:00:41,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:41,277 INFO L225 Difference]: With dead ends: 83291 [2020-12-23 09:00:41,277 INFO L226 Difference]: Without dead ends: 81658 [2020-12-23 09:00:41,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2020-12-23 09:00:41,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81658 states. [2020-12-23 09:00:44,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81658 to 81069. [2020-12-23 09:00:44,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81069 states. [2020-12-23 09:00:44,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81069 states to 81069 states and 146111 transitions. [2020-12-23 09:00:44,739 INFO L78 Accepts]: Start accepts. Automaton has 81069 states and 146111 transitions. Word has length 75 [2020-12-23 09:00:44,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:44,739 INFO L481 AbstractCegarLoop]: Abstraction has 81069 states and 146111 transitions. [2020-12-23 09:00:44,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:00:44,739 INFO L276 IsEmpty]: Start isEmpty. Operand 81069 states and 146111 transitions. [2020-12-23 09:00:44,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2020-12-23 09:00:44,780 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:44,780 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:44,780 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:00:44,781 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:44,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:44,781 INFO L82 PathProgramCache]: Analyzing trace with hash 565310269, now seen corresponding path program 1 times [2020-12-23 09:00:44,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:44,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333783998] [2020-12-23 09:00:44,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:44,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:44,861 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333783998] [2020-12-23 09:00:44,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:44,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:00:44,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690879913] [2020-12-23 09:00:44,862 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:00:44,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:44,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:00:44,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:00:44,863 INFO L87 Difference]: Start difference. First operand 81069 states and 146111 transitions. Second operand 4 states. [2020-12-23 09:00:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:47,963 INFO L93 Difference]: Finished difference Result 82359 states and 148230 transitions. [2020-12-23 09:00:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:00:47,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2020-12-23 09:00:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:48,086 INFO L225 Difference]: With dead ends: 82359 [2020-12-23 09:00:48,086 INFO L226 Difference]: Without dead ends: 81069 [2020-12-23 09:00:48,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:00:48,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81069 states. [2020-12-23 09:00:51,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81069 to 81069. [2020-12-23 09:00:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81069 states. [2020-12-23 09:00:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81069 states to 81069 states and 146098 transitions. [2020-12-23 09:00:51,608 INFO L78 Accepts]: Start accepts. Automaton has 81069 states and 146098 transitions. Word has length 105 [2020-12-23 09:00:51,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:00:51,609 INFO L481 AbstractCegarLoop]: Abstraction has 81069 states and 146098 transitions. [2020-12-23 09:00:51,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:00:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 81069 states and 146098 transitions. [2020-12-23 09:00:51,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-12-23 09:00:51,639 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:00:51,639 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:00:51,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-23 09:00:51,639 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:00:51,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:00:51,640 INFO L82 PathProgramCache]: Analyzing trace with hash -111261598, now seen corresponding path program 1 times [2020-12-23 09:00:51,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:00:51,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407274997] [2020-12-23 09:00:51,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:00:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:00:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:00:51,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407274997] [2020-12-23 09:00:51,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:00:51,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-23 09:00:51,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199838722] [2020-12-23 09:00:51,786 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-23 09:00:51,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:00:51,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-23 09:00:51,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:00:51,787 INFO L87 Difference]: Start difference. First operand 81069 states and 146098 transitions. Second operand 11 states. [2020-12-23 09:00:58,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:00:58,132 INFO L93 Difference]: Finished difference Result 95249 states and 169200 transitions. [2020-12-23 09:00:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-12-23 09:00:58,133 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2020-12-23 09:00:58,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:00:58,263 INFO L225 Difference]: With dead ends: 95249 [2020-12-23 09:00:58,264 INFO L226 Difference]: Without dead ends: 93989 [2020-12-23 09:00:58,284 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2020-12-23 09:00:58,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93989 states. [2020-12-23 09:01:02,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93989 to 82641. [2020-12-23 09:01:02,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82641 states. [2020-12-23 09:01:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82641 states to 82641 states and 148675 transitions. [2020-12-23 09:01:02,363 INFO L78 Accepts]: Start accepts. Automaton has 82641 states and 148675 transitions. Word has length 108 [2020-12-23 09:01:02,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:02,363 INFO L481 AbstractCegarLoop]: Abstraction has 82641 states and 148675 transitions. [2020-12-23 09:01:02,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-23 09:01:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 82641 states and 148675 transitions. [2020-12-23 09:01:02,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:01:02,409 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:02,409 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:01:02,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-12-23 09:01:02,409 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:02,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:02,410 INFO L82 PathProgramCache]: Analyzing trace with hash -976123303, now seen corresponding path program 1 times [2020-12-23 09:01:02,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:02,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678691054] [2020-12-23 09:01:02,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:02,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:02,542 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:01:02,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678691054] [2020-12-23 09:01:02,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:02,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:01:02,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497865251] [2020-12-23 09:01:02,544 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:01:02,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:02,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:01:02,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:01:02,545 INFO L87 Difference]: Start difference. First operand 82641 states and 148675 transitions. Second operand 8 states. [2020-12-23 09:01:09,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:01:09,691 INFO L93 Difference]: Finished difference Result 143945 states and 255631 transitions. [2020-12-23 09:01:09,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-23 09:01:09,692 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2020-12-23 09:01:09,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:01:10,093 INFO L225 Difference]: With dead ends: 143945 [2020-12-23 09:01:10,093 INFO L226 Difference]: Without dead ends: 141671 [2020-12-23 09:01:10,124 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2020-12-23 09:01:10,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141671 states. [2020-12-23 09:01:15,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141671 to 124787. [2020-12-23 09:01:15,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124787 states. [2020-12-23 09:01:16,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124787 states to 124787 states and 224184 transitions. [2020-12-23 09:01:16,143 INFO L78 Accepts]: Start accepts. Automaton has 124787 states and 224184 transitions. Word has length 109 [2020-12-23 09:01:16,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:16,144 INFO L481 AbstractCegarLoop]: Abstraction has 124787 states and 224184 transitions. [2020-12-23 09:01:16,144 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:01:16,144 INFO L276 IsEmpty]: Start isEmpty. Operand 124787 states and 224184 transitions. [2020-12-23 09:01:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:01:16,234 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:16,234 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:01:16,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-12-23 09:01:16,234 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:16,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:16,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1240829584, now seen corresponding path program 1 times [2020-12-23 09:01:16,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:16,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433633990] [2020-12-23 09:01:16,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:01:16,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433633990] [2020-12-23 09:01:16,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:16,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-23 09:01:16,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099732187] [2020-12-23 09:01:16,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-23 09:01:16,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:16,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-23 09:01:16,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:01:16,697 INFO L87 Difference]: Start difference. First operand 124787 states and 224184 transitions. Second operand 9 states. [2020-12-23 09:01:22,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:01:22,314 INFO L93 Difference]: Finished difference Result 132417 states and 236554 transitions. [2020-12-23 09:01:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-23 09:01:22,314 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2020-12-23 09:01:22,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:01:22,531 INFO L225 Difference]: With dead ends: 132417 [2020-12-23 09:01:22,531 INFO L226 Difference]: Without dead ends: 126377 [2020-12-23 09:01:22,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2020-12-23 09:01:22,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126377 states. [2020-12-23 09:01:28,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126377 to 123731. [2020-12-23 09:01:28,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123731 states. [2020-12-23 09:01:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123731 states to 123731 states and 222378 transitions. [2020-12-23 09:01:29,548 INFO L78 Accepts]: Start accepts. Automaton has 123731 states and 222378 transitions. Word has length 109 [2020-12-23 09:01:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:29,549 INFO L481 AbstractCegarLoop]: Abstraction has 123731 states and 222378 transitions. [2020-12-23 09:01:29,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-23 09:01:29,549 INFO L276 IsEmpty]: Start isEmpty. Operand 123731 states and 222378 transitions. [2020-12-23 09:01:29,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-12-23 09:01:29,672 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:29,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:01:29,673 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-12-23 09:01:29,674 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:29,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:29,689 INFO L82 PathProgramCache]: Analyzing trace with hash 2144046267, now seen corresponding path program 1 times [2020-12-23 09:01:29,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:29,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848245110] [2020-12-23 09:01:29,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:01:29,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848245110] [2020-12-23 09:01:29,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:29,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:01:29,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663952287] [2020-12-23 09:01:29,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:01:29,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:29,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:01:29,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:01:29,839 INFO L87 Difference]: Start difference. First operand 123731 states and 222378 transitions. Second operand 3 states. [2020-12-23 09:01:40,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:01:40,437 INFO L93 Difference]: Finished difference Result 366767 states and 659231 transitions. [2020-12-23 09:01:40,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:01:40,437 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2020-12-23 09:01:40,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:01:41,257 INFO L225 Difference]: With dead ends: 366767 [2020-12-23 09:01:41,258 INFO L226 Difference]: Without dead ends: 243313 [2020-12-23 09:01:41,384 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:01:41,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243313 states. [2020-12-23 09:01:52,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243313 to 238165. [2020-12-23 09:01:52,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238165 states. [2020-12-23 09:01:52,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238165 states to 238165 states and 428203 transitions. [2020-12-23 09:01:52,659 INFO L78 Accepts]: Start accepts. Automaton has 238165 states and 428203 transitions. Word has length 109 [2020-12-23 09:01:52,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:01:52,660 INFO L481 AbstractCegarLoop]: Abstraction has 238165 states and 428203 transitions. [2020-12-23 09:01:52,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:01:52,660 INFO L276 IsEmpty]: Start isEmpty. Operand 238165 states and 428203 transitions. [2020-12-23 09:01:52,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 09:01:52,727 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:01:52,728 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:01:52,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-12-23 09:01:52,728 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:01:52,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:01:52,728 INFO L82 PathProgramCache]: Analyzing trace with hash -263032697, now seen corresponding path program 1 times [2020-12-23 09:01:52,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:01:52,729 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398929871] [2020-12-23 09:01:52,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:01:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:01:53,312 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-12-23 09:01:53,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398929871] [2020-12-23 09:01:53,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:01:53,312 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-23 09:01:53,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480570852] [2020-12-23 09:01:53,313 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:01:53,314 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:01:53,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:01:53,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:01:53,314 INFO L87 Difference]: Start difference. First operand 238165 states and 428203 transitions. Second operand 10 states. [2020-12-23 09:02:05,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:05,229 INFO L93 Difference]: Finished difference Result 255579 states and 456469 transitions. [2020-12-23 09:02:05,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-23 09:02:05,229 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-12-23 09:02:05,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:05,753 INFO L225 Difference]: With dead ends: 255579 [2020-12-23 09:02:05,753 INFO L226 Difference]: Without dead ends: 251549 [2020-12-23 09:02:05,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=312, Invalid=810, Unknown=0, NotChecked=0, Total=1122 [2020-12-23 09:02:06,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251549 states. [2020-12-23 09:02:16,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251549 to 240773. [2020-12-23 09:02:16,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240773 states. [2020-12-23 09:02:17,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240773 states to 240773 states and 432408 transitions. [2020-12-23 09:02:17,844 INFO L78 Accepts]: Start accepts. Automaton has 240773 states and 432408 transitions. Word has length 110 [2020-12-23 09:02:17,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:17,844 INFO L481 AbstractCegarLoop]: Abstraction has 240773 states and 432408 transitions. [2020-12-23 09:02:17,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:02:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 240773 states and 432408 transitions. [2020-12-23 09:02:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 09:02:17,909 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:17,909 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:17,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-12-23 09:02:17,910 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:17,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1313376907, now seen corresponding path program 1 times [2020-12-23 09:02:17,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:17,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136549755] [2020-12-23 09:02:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:17,977 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-12-23 09:02:17,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136549755] [2020-12-23 09:02:17,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:17,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:02:17,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735852154] [2020-12-23 09:02:17,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:02:17,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:17,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:02:17,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:02:17,980 INFO L87 Difference]: Start difference. First operand 240773 states and 432408 transitions. Second operand 4 states. [2020-12-23 09:02:25,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:02:25,477 INFO L93 Difference]: Finished difference Result 245146 states and 439482 transitions. [2020-12-23 09:02:25,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:02:25,478 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2020-12-23 09:02:25,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:02:25,794 INFO L225 Difference]: With dead ends: 245146 [2020-12-23 09:02:25,794 INFO L226 Difference]: Without dead ends: 163531 [2020-12-23 09:02:25,871 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:02:26,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163531 states. [2020-12-23 09:02:33,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163531 to 163201. [2020-12-23 09:02:33,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163201 states. [2020-12-23 09:02:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163201 states to 163201 states and 292114 transitions. [2020-12-23 09:02:34,922 INFO L78 Accepts]: Start accepts. Automaton has 163201 states and 292114 transitions. Word has length 110 [2020-12-23 09:02:34,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:02:34,923 INFO L481 AbstractCegarLoop]: Abstraction has 163201 states and 292114 transitions. [2020-12-23 09:02:34,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:02:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 163201 states and 292114 transitions. [2020-12-23 09:02:34,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-12-23 09:02:34,984 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:02:34,984 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:02:34,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-12-23 09:02:34,984 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:02:34,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:02:34,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1417099427, now seen corresponding path program 1 times [2020-12-23 09:02:34,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:02:34,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474006118] [2020-12-23 09:02:34,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:02:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:02:35,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:02:35,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474006118] [2020-12-23 09:02:35,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:02:35,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:02:35,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94150580] [2020-12-23 09:02:35,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:02:35,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:02:35,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:02:35,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:02:35,146 INFO L87 Difference]: Start difference. First operand 163201 states and 292114 transitions. Second operand 3 states.