/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:36:13,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:36:13,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:36:13,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:36:13,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:36:13,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:36:13,405 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:36:13,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:36:13,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:36:13,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:36:13,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:36:13,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:36:13,415 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:36:13,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:36:13,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:36:13,419 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:36:13,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:36:13,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:36:13,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:36:13,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:36:13,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:36:13,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:36:13,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:36:13,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:36:13,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:36:13,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:36:13,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:36:13,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:36:13,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:36:13,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:36:13,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:36:13,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:36:13,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:36:13,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:36:13,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:36:13,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:36:13,488 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:36:13,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:36:13,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:36:13,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:36:13,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:36:13,499 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:36:13,547 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:36:13,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:36:13,549 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:36:13,549 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:36:13,549 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:36:13,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:36:13,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:36:13,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:36:13,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:36:13,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:36:13,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:36:13,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:36:13,551 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:36:13,552 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:36:13,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:36:13,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:36:13,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:36:13,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:36:13,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:36:13,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:36:13,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:36:13,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:36:13,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:36:13,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:36:13,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:36:13,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:36:13,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:36:13,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:36:13,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:36:13,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:36:13,996 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:36:13,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product34.cil.c [2021-01-06 18:36:14,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6f4a7218e/ccc76b0b1b984c15a2fba02aee0c18a3/FLAGdac87216b [2021-01-06 18:36:14,897 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:36:14,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c [2021-01-06 18:36:14,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6f4a7218e/ccc76b0b1b984c15a2fba02aee0c18a3/FLAGdac87216b [2021-01-06 18:36:15,119 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/6f4a7218e/ccc76b0b1b984c15a2fba02aee0c18a3 [2021-01-06 18:36:15,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:36:15,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:36:15,130 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:36:15,130 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:36:15,134 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:36:15,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:36:15" (1/1) ... [2021-01-06 18:36:15,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56da5e8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:15, skipping insertion in model container [2021-01-06 18:36:15,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:36:15" (1/1) ... [2021-01-06 18:36:15,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:36:15,266 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:36:15,715 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c[12287,12300] 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_tmp3~2,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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~20,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~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_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__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~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~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___0~8,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2021-01-06 18:36:16,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:36:16,229 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:36:16,262 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product34.cil.c[12287,12300] 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_tmp3~2,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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~5,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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~20,] 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~20,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~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_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~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_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__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~14,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] 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[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~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___0~8,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~24,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] [2021-01-06 18:36:16,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:36:16,512 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:36:16,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16 WrapperNode [2021-01-06 18:36:16,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:36:16,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:36:16,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:36:16,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:36:16,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... [2021-01-06 18:36:16,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... [2021-01-06 18:36:16,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:36:16,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:36:16,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:36:16,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:36:16,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... [2021-01-06 18:36:16,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... [2021-01-06 18:36:16,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... [2021-01-06 18:36:16,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... [2021-01-06 18:36:16,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... [2021-01-06 18:36:17,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... [2021-01-06 18:36:17,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... [2021-01-06 18:36:17,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:36:17,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:36:17,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:36:17,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:36:17,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:36:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:36:17,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:36:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:36:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:36:17,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:36:20,676 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:36:20,677 INFO L299 CfgBuilder]: Removed 861 assume(true) statements. [2021-01-06 18:36:20,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:36:20 BoogieIcfgContainer [2021-01-06 18:36:20,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:36:20,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:36:20,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:36:20,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:36:20,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:36:15" (1/3) ... [2021-01-06 18:36:20,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c8c745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:36:20, skipping insertion in model container [2021-01-06 18:36:20,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:36:16" (2/3) ... [2021-01-06 18:36:20,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77c8c745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:36:20, skipping insertion in model container [2021-01-06 18:36:20,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:36:20" (3/3) ... [2021-01-06 18:36:20,690 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product34.cil.c [2021-01-06 18:36:20,696 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:36:20,702 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:36:20,721 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:36:20,755 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:36:20,756 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:36:20,756 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:36:20,756 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:36:20,756 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:36:20,757 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:36:20,757 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:36:20,757 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:36:20,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states. [2021-01-06 18:36:20,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:36:20,810 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:20,811 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] [2021-01-06 18:36:20,812 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:20,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:20,818 INFO L82 PathProgramCache]: Analyzing trace with hash 117865369, now seen corresponding path program 1 times [2021-01-06 18:36:20,828 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:20,829 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071798457] [2021-01-06 18:36:20,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:21,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:21,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071798457] [2021-01-06 18:36:21,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:21,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:21,293 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521304502] [2021-01-06 18:36:21,298 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:21,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:21,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:21,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:21,321 INFO L87 Difference]: Start difference. First operand 1254 states. Second operand 3 states. [2021-01-06 18:36:21,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:21,608 INFO L93 Difference]: Finished difference Result 3727 states and 6374 transitions. [2021-01-06 18:36:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:21,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-01-06 18:36:21,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:21,651 INFO L225 Difference]: With dead ends: 3727 [2021-01-06 18:36:21,651 INFO L226 Difference]: Without dead ends: 2340 [2021-01-06 18:36:21,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:21,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2340 states. [2021-01-06 18:36:21,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2340 to 1179. [2021-01-06 18:36:21,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2021-01-06 18:36:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2015 transitions. [2021-01-06 18:36:21,827 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2015 transitions. Word has length 67 [2021-01-06 18:36:21,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:21,827 INFO L481 AbstractCegarLoop]: Abstraction has 1179 states and 2015 transitions. [2021-01-06 18:36:21,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:21,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2015 transitions. [2021-01-06 18:36:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:36:21,836 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:21,837 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] [2021-01-06 18:36:21,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:36:21,838 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:21,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:21,839 INFO L82 PathProgramCache]: Analyzing trace with hash -493727237, now seen corresponding path program 1 times [2021-01-06 18:36:21,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:21,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411124019] [2021-01-06 18:36:21,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:22,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:22,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411124019] [2021-01-06 18:36:22,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:22,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:36:22,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679900774] [2021-01-06 18:36:22,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:36:22,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:22,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:36:22,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:36:22,022 INFO L87 Difference]: Start difference. First operand 1179 states and 2015 transitions. Second operand 5 states. [2021-01-06 18:36:22,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:22,316 INFO L93 Difference]: Finished difference Result 3486 states and 5961 transitions. [2021-01-06 18:36:22,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:36:22,317 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2021-01-06 18:36:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:22,333 INFO L225 Difference]: With dead ends: 3486 [2021-01-06 18:36:22,333 INFO L226 Difference]: Without dead ends: 2326 [2021-01-06 18:36:22,338 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:36:22,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2326 states. [2021-01-06 18:36:22,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2326 to 1179. [2021-01-06 18:36:22,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2021-01-06 18:36:22,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2014 transitions. [2021-01-06 18:36:22,405 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2014 transitions. Word has length 69 [2021-01-06 18:36:22,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:22,406 INFO L481 AbstractCegarLoop]: Abstraction has 1179 states and 2014 transitions. [2021-01-06 18:36:22,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:36:22,407 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2014 transitions. [2021-01-06 18:36:22,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:36:22,409 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:22,409 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] [2021-01-06 18:36:22,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:36:22,411 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:22,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:22,415 INFO L82 PathProgramCache]: Analyzing trace with hash 325936846, now seen corresponding path program 1 times [2021-01-06 18:36:22,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:22,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170462380] [2021-01-06 18:36:22,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:22,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:22,589 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170462380] [2021-01-06 18:36:22,589 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:22,589 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:22,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234455202] [2021-01-06 18:36:22,590 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:22,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:22,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:22,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:22,591 INFO L87 Difference]: Start difference. First operand 1179 states and 2014 transitions. Second operand 3 states. [2021-01-06 18:36:22,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:22,674 INFO L93 Difference]: Finished difference Result 2340 states and 4002 transitions. [2021-01-06 18:36:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:22,675 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:36:22,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:22,682 INFO L225 Difference]: With dead ends: 2340 [2021-01-06 18:36:22,683 INFO L226 Difference]: Without dead ends: 1184 [2021-01-06 18:36:22,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:22,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1184 states. [2021-01-06 18:36:22,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1184 to 1179. [2021-01-06 18:36:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2021-01-06 18:36:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2013 transitions. [2021-01-06 18:36:22,747 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2013 transitions. Word has length 70 [2021-01-06 18:36:22,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:22,754 INFO L481 AbstractCegarLoop]: Abstraction has 1179 states and 2013 transitions. [2021-01-06 18:36:22,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:22,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2013 transitions. [2021-01-06 18:36:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:36:22,757 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:22,758 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] [2021-01-06 18:36:22,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:36:22,758 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:22,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1445751240, now seen corresponding path program 1 times [2021-01-06 18:36:22,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:22,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57216358] [2021-01-06 18:36:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:22,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:22,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:22,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57216358] [2021-01-06 18:36:22,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:22,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:22,907 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658948245] [2021-01-06 18:36:22,908 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:22,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:22,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:22,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:22,910 INFO L87 Difference]: Start difference. First operand 1179 states and 2013 transitions. Second operand 3 states. [2021-01-06 18:36:23,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:23,048 INFO L93 Difference]: Finished difference Result 2350 states and 4015 transitions. [2021-01-06 18:36:23,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:23,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:36:23,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:23,058 INFO L225 Difference]: With dead ends: 2350 [2021-01-06 18:36:23,058 INFO L226 Difference]: Without dead ends: 1179 [2021-01-06 18:36:23,063 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:23,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1179 states. [2021-01-06 18:36:23,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1179 to 1179. [2021-01-06 18:36:23,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2021-01-06 18:36:23,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2011 transitions. [2021-01-06 18:36:23,125 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2011 transitions. Word has length 71 [2021-01-06 18:36:23,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:23,126 INFO L481 AbstractCegarLoop]: Abstraction has 1179 states and 2011 transitions. [2021-01-06 18:36:23,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:23,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2011 transitions. [2021-01-06 18:36:23,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:36:23,128 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:23,128 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] [2021-01-06 18:36:23,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:36:23,129 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:23,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:23,129 INFO L82 PathProgramCache]: Analyzing trace with hash 972255315, now seen corresponding path program 1 times [2021-01-06 18:36:23,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:23,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036660017] [2021-01-06 18:36:23,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:23,251 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036660017] [2021-01-06 18:36:23,251 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:23,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:36:23,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857949012] [2021-01-06 18:36:23,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:36:23,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:23,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:36:23,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:36:23,254 INFO L87 Difference]: Start difference. First operand 1179 states and 2011 transitions. Second operand 5 states. [2021-01-06 18:36:23,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:23,572 INFO L93 Difference]: Finished difference Result 3476 states and 5941 transitions. [2021-01-06 18:36:23,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:36:23,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2021-01-06 18:36:23,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:23,589 INFO L225 Difference]: With dead ends: 3476 [2021-01-06 18:36:23,590 INFO L226 Difference]: Without dead ends: 2324 [2021-01-06 18:36:23,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:36:23,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2324 states. [2021-01-06 18:36:23,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2324 to 1179. [2021-01-06 18:36:23,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2021-01-06 18:36:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2010 transitions. [2021-01-06 18:36:23,673 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2010 transitions. Word has length 72 [2021-01-06 18:36:23,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:23,673 INFO L481 AbstractCegarLoop]: Abstraction has 1179 states and 2010 transitions. [2021-01-06 18:36:23,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:36:23,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2010 transitions. [2021-01-06 18:36:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:36:23,675 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:23,676 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] [2021-01-06 18:36:23,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:36:23,676 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:23,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:23,677 INFO L82 PathProgramCache]: Analyzing trace with hash 155813264, now seen corresponding path program 1 times [2021-01-06 18:36:23,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:23,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575738941] [2021-01-06 18:36:23,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:23,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:23,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575738941] [2021-01-06 18:36:23,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:23,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:36:23,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921363619] [2021-01-06 18:36:23,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:36:23,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:23,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:36:23,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:36:23,760 INFO L87 Difference]: Start difference. First operand 1179 states and 2010 transitions. Second operand 5 states. [2021-01-06 18:36:24,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:24,062 INFO L93 Difference]: Finished difference Result 3481 states and 5946 transitions. [2021-01-06 18:36:24,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:36:24,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2021-01-06 18:36:24,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:24,074 INFO L225 Difference]: With dead ends: 3481 [2021-01-06 18:36:24,074 INFO L226 Difference]: Without dead ends: 2329 [2021-01-06 18:36:24,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:36:24,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2329 states. [2021-01-06 18:36:24,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2329 to 1179. [2021-01-06 18:36:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1179 states. [2021-01-06 18:36:24,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1179 states to 1179 states and 2009 transitions. [2021-01-06 18:36:24,160 INFO L78 Accepts]: Start accepts. Automaton has 1179 states and 2009 transitions. Word has length 73 [2021-01-06 18:36:24,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:24,160 INFO L481 AbstractCegarLoop]: Abstraction has 1179 states and 2009 transitions. [2021-01-06 18:36:24,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:36:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 2009 transitions. [2021-01-06 18:36:24,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:36:24,168 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:24,168 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:36:24,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:36:24,169 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:24,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:24,173 INFO L82 PathProgramCache]: Analyzing trace with hash -421818504, now seen corresponding path program 1 times [2021-01-06 18:36:24,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:24,174 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981841808] [2021-01-06 18:36:24,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:24,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981841808] [2021-01-06 18:36:24,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:24,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:24,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881699522] [2021-01-06 18:36:24,282 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:24,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:24,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:24,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:24,283 INFO L87 Difference]: Start difference. First operand 1179 states and 2009 transitions. Second operand 3 states. [2021-01-06 18:36:24,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:24,364 INFO L93 Difference]: Finished difference Result 2077 states and 3512 transitions. [2021-01-06 18:36:24,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:24,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:36:24,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:24,373 INFO L225 Difference]: With dead ends: 2077 [2021-01-06 18:36:24,374 INFO L226 Difference]: Without dead ends: 1182 [2021-01-06 18:36:24,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:24,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1182 states. [2021-01-06 18:36:24,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1182 to 1181. [2021-01-06 18:36:24,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1181 states. [2021-01-06 18:36:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 2011 transitions. [2021-01-06 18:36:24,449 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 2011 transitions. Word has length 74 [2021-01-06 18:36:24,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:24,449 INFO L481 AbstractCegarLoop]: Abstraction has 1181 states and 2011 transitions. [2021-01-06 18:36:24,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 2011 transitions. [2021-01-06 18:36:24,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:36:24,451 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:24,452 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:36:24,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:36:24,452 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:24,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:24,453 INFO L82 PathProgramCache]: Analyzing trace with hash 735088570, now seen corresponding path program 1 times [2021-01-06 18:36:24,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:24,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641569942] [2021-01-06 18:36:24,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:24,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:24,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641569942] [2021-01-06 18:36:24,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:24,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:24,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049766172] [2021-01-06 18:36:24,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:24,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:24,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:24,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:24,549 INFO L87 Difference]: Start difference. First operand 1181 states and 2011 transitions. Second operand 3 states. [2021-01-06 18:36:24,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:24,726 INFO L93 Difference]: Finished difference Result 3429 states and 5857 transitions. [2021-01-06 18:36:24,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:24,726 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-01-06 18:36:24,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:24,741 INFO L225 Difference]: With dead ends: 3429 [2021-01-06 18:36:24,741 INFO L226 Difference]: Without dead ends: 2279 [2021-01-06 18:36:24,745 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:24,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2279 states. [2021-01-06 18:36:24,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2279 to 1384. [2021-01-06 18:36:24,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2021-01-06 18:36:24,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 2386 transitions. [2021-01-06 18:36:24,852 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 2386 transitions. Word has length 80 [2021-01-06 18:36:24,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:24,853 INFO L481 AbstractCegarLoop]: Abstraction has 1384 states and 2386 transitions. [2021-01-06 18:36:24,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:24,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 2386 transitions. [2021-01-06 18:36:24,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:36:24,856 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:24,856 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:36:24,856 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:36:24,856 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:24,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:24,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1773784507, now seen corresponding path program 1 times [2021-01-06 18:36:24,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:24,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186423115] [2021-01-06 18:36:24,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:24,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186423115] [2021-01-06 18:36:24,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696376432] [2021-01-06 18:36:24,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:36:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:25,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:36:25,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:36:25,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:25,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:36:25,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:36:25,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869687624] [2021-01-06 18:36:25,506 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:36:25,506 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:25,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:36:25,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:36:25,507 INFO L87 Difference]: Start difference. First operand 1384 states and 2386 transitions. Second operand 5 states. [2021-01-06 18:36:25,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:25,788 INFO L93 Difference]: Finished difference Result 3433 states and 5860 transitions. [2021-01-06 18:36:25,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:36:25,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2021-01-06 18:36:25,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:25,803 INFO L225 Difference]: With dead ends: 3433 [2021-01-06 18:36:25,804 INFO L226 Difference]: Without dead ends: 2538 [2021-01-06 18:36:25,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:36:25,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2021-01-06 18:36:25,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 1641. [2021-01-06 18:36:25,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1641 states. [2021-01-06 18:36:25,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1641 states to 1641 states and 2858 transitions. [2021-01-06 18:36:25,947 INFO L78 Accepts]: Start accepts. Automaton has 1641 states and 2858 transitions. Word has length 81 [2021-01-06 18:36:25,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:25,948 INFO L481 AbstractCegarLoop]: Abstraction has 1641 states and 2858 transitions. [2021-01-06 18:36:25,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:36:25,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 2858 transitions. [2021-01-06 18:36:25,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:36:25,951 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:25,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:36:26,166 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:36:26,167 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:26,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:26,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1420355336, now seen corresponding path program 1 times [2021-01-06 18:36:26,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:26,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017284026] [2021-01-06 18:36:26,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:26,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:26,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017284026] [2021-01-06 18:36:26,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:26,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:26,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764999492] [2021-01-06 18:36:26,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:26,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:26,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:26,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:26,247 INFO L87 Difference]: Start difference. First operand 1641 states and 2858 transitions. Second operand 3 states. [2021-01-06 18:36:26,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:26,458 INFO L93 Difference]: Finished difference Result 4546 states and 7916 transitions. [2021-01-06 18:36:26,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:26,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2021-01-06 18:36:26,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:26,475 INFO L225 Difference]: With dead ends: 4546 [2021-01-06 18:36:26,475 INFO L226 Difference]: Without dead ends: 2994 [2021-01-06 18:36:26,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:26,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2994 states. [2021-01-06 18:36:26,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2994 to 2099. [2021-01-06 18:36:26,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2099 states. [2021-01-06 18:36:26,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3700 transitions. [2021-01-06 18:36:26,731 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 3700 transitions. Word has length 87 [2021-01-06 18:36:26,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:26,732 INFO L481 AbstractCegarLoop]: Abstraction has 2099 states and 3700 transitions. [2021-01-06 18:36:26,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:26,732 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 3700 transitions. [2021-01-06 18:36:26,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:36:26,737 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:26,737 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:36:26,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:36:26,738 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:26,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:26,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1239977496, now seen corresponding path program 2 times [2021-01-06 18:36:26,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:26,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158013811] [2021-01-06 18:36:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:26,918 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158013811] [2021-01-06 18:36:26,918 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:26,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:26,919 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923012915] [2021-01-06 18:36:26,920 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:26,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:26,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:26,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:26,921 INFO L87 Difference]: Start difference. First operand 2099 states and 3700 transitions. Second operand 3 states. [2021-01-06 18:36:27,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:27,148 INFO L93 Difference]: Finished difference Result 4803 states and 8386 transitions. [2021-01-06 18:36:27,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:27,149 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2021-01-06 18:36:27,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:27,189 INFO L225 Difference]: With dead ends: 4803 [2021-01-06 18:36:27,189 INFO L226 Difference]: Without dead ends: 2994 [2021-01-06 18:36:27,198 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:27,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2994 states. [2021-01-06 18:36:27,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2994 to 2099. [2021-01-06 18:36:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2099 states. [2021-01-06 18:36:27,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 3698 transitions. [2021-01-06 18:36:27,387 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 3698 transitions. Word has length 88 [2021-01-06 18:36:27,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:27,388 INFO L481 AbstractCegarLoop]: Abstraction has 2099 states and 3698 transitions. [2021-01-06 18:36:27,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:27,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 3698 transitions. [2021-01-06 18:36:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:36:27,393 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:27,393 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] [2021-01-06 18:36:27,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:36:27,394 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:27,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:27,394 INFO L82 PathProgramCache]: Analyzing trace with hash -516067879, now seen corresponding path program 1 times [2021-01-06 18:36:27,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:27,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121722247] [2021-01-06 18:36:27,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:27,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121722247] [2021-01-06 18:36:27,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:27,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:27,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452525947] [2021-01-06 18:36:27,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:27,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:27,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:27,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:27,476 INFO L87 Difference]: Start difference. First operand 2099 states and 3698 transitions. Second operand 3 states. [2021-01-06 18:36:27,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:27,732 INFO L93 Difference]: Finished difference Result 5892 states and 10391 transitions. [2021-01-06 18:36:27,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:27,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2021-01-06 18:36:27,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:27,747 INFO L225 Difference]: With dead ends: 5892 [2021-01-06 18:36:27,747 INFO L226 Difference]: Without dead ends: 3890 [2021-01-06 18:36:27,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:27,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2021-01-06 18:36:27,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 2995. [2021-01-06 18:36:27,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2995 states. [2021-01-06 18:36:27,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2995 states to 2995 states and 5345 transitions. [2021-01-06 18:36:27,991 INFO L78 Accepts]: Start accepts. Automaton has 2995 states and 5345 transitions. Word has length 88 [2021-01-06 18:36:27,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:27,991 INFO L481 AbstractCegarLoop]: Abstraction has 2995 states and 5345 transitions. [2021-01-06 18:36:27,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:27,992 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 5345 transitions. [2021-01-06 18:36:27,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-01-06 18:36:27,998 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:27,998 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] [2021-01-06 18:36:27,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:36:27,999 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:27,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:27,999 INFO L82 PathProgramCache]: Analyzing trace with hash -693654010, now seen corresponding path program 1 times [2021-01-06 18:36:28,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:28,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035604924] [2021-01-06 18:36:28,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:28,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:28,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035604924] [2021-01-06 18:36:28,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:28,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:28,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839270898] [2021-01-06 18:36:28,081 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:28,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:28,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:28,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:28,082 INFO L87 Difference]: Start difference. First operand 2995 states and 5345 transitions. Second operand 3 states. [2021-01-06 18:36:28,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:28,421 INFO L93 Difference]: Finished difference Result 8316 states and 14851 transitions. [2021-01-06 18:36:28,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:28,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2021-01-06 18:36:28,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:28,440 INFO L225 Difference]: With dead ends: 8316 [2021-01-06 18:36:28,441 INFO L226 Difference]: Without dead ends: 5452 [2021-01-06 18:36:28,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:28,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5452 states. [2021-01-06 18:36:28,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5452 to 4557. [2021-01-06 18:36:28,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4557 states. [2021-01-06 18:36:28,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 4557 states and 8214 transitions. [2021-01-06 18:36:28,807 INFO L78 Accepts]: Start accepts. Automaton has 4557 states and 8214 transitions. Word has length 89 [2021-01-06 18:36:28,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:28,808 INFO L481 AbstractCegarLoop]: Abstraction has 4557 states and 8214 transitions. [2021-01-06 18:36:28,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:28,808 INFO L276 IsEmpty]: Start isEmpty. Operand 4557 states and 8214 transitions. [2021-01-06 18:36:28,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-01-06 18:36:28,819 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:28,819 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] [2021-01-06 18:36:28,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:36:28,819 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:28,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:28,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1861233192, now seen corresponding path program 1 times [2021-01-06 18:36:28,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:28,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531021893] [2021-01-06 18:36:28,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:28,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531021893] [2021-01-06 18:36:28,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:28,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:28,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830726093] [2021-01-06 18:36:28,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:28,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:28,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:28,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:28,900 INFO L87 Difference]: Start difference. First operand 4557 states and 8214 transitions. Second operand 3 states. [2021-01-06 18:36:29,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:29,363 INFO L93 Difference]: Finished difference Result 12718 states and 22941 transitions. [2021-01-06 18:36:29,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:29,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 90 [2021-01-06 18:36:29,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:29,394 INFO L225 Difference]: With dead ends: 12718 [2021-01-06 18:36:29,394 INFO L226 Difference]: Without dead ends: 8326 [2021-01-06 18:36:29,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:29,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8326 states. [2021-01-06 18:36:29,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8326 to 7431. [2021-01-06 18:36:29,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7431 states. [2021-01-06 18:36:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7431 states to 7431 states and 13487 transitions. [2021-01-06 18:36:29,992 INFO L78 Accepts]: Start accepts. Automaton has 7431 states and 13487 transitions. Word has length 90 [2021-01-06 18:36:29,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:29,992 INFO L481 AbstractCegarLoop]: Abstraction has 7431 states and 13487 transitions. [2021-01-06 18:36:29,992 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 7431 states and 13487 transitions. [2021-01-06 18:36:30,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:36:30,007 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:30,008 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] [2021-01-06 18:36:30,008 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:36:30,008 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:30,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:30,009 INFO L82 PathProgramCache]: Analyzing trace with hash -1027362236, now seen corresponding path program 1 times [2021-01-06 18:36:30,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:30,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107626928] [2021-01-06 18:36:30,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:30,126 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:36:30,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107626928] [2021-01-06 18:36:30,127 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:30,127 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:36:30,130 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515516785] [2021-01-06 18:36:30,130 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:36:30,131 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:30,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:36:30,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:36:30,132 INFO L87 Difference]: Start difference. First operand 7431 states and 13487 transitions. Second operand 5 states. [2021-01-06 18:36:31,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:31,331 INFO L93 Difference]: Finished difference Result 21426 states and 38914 transitions. [2021-01-06 18:36:31,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:36:31,331 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2021-01-06 18:36:31,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:31,373 INFO L225 Difference]: With dead ends: 21426 [2021-01-06 18:36:31,373 INFO L226 Difference]: Without dead ends: 14285 [2021-01-06 18:36:31,388 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:36:31,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14285 states. [2021-01-06 18:36:31,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14285 to 7431. [2021-01-06 18:36:31,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7431 states. [2021-01-06 18:36:31,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7431 states to 7431 states and 13437 transitions. [2021-01-06 18:36:31,952 INFO L78 Accepts]: Start accepts. Automaton has 7431 states and 13437 transitions. Word has length 91 [2021-01-06 18:36:31,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:31,952 INFO L481 AbstractCegarLoop]: Abstraction has 7431 states and 13437 transitions. [2021-01-06 18:36:31,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:36:31,952 INFO L276 IsEmpty]: Start isEmpty. Operand 7431 states and 13437 transitions. [2021-01-06 18:36:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:36:31,966 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:31,966 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] [2021-01-06 18:36:31,966 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:36:31,966 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:31,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:31,967 INFO L82 PathProgramCache]: Analyzing trace with hash -508569547, now seen corresponding path program 1 times [2021-01-06 18:36:31,967 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:31,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029505738] [2021-01-06 18:36:31,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:32,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:36:32,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029505738] [2021-01-06 18:36:32,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:32,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:32,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456470434] [2021-01-06 18:36:32,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:32,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:32,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:32,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:32,051 INFO L87 Difference]: Start difference. First operand 7431 states and 13437 transitions. Second operand 3 states. [2021-01-06 18:36:32,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:32,774 INFO L93 Difference]: Finished difference Result 21666 states and 39224 transitions. [2021-01-06 18:36:32,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:32,775 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2021-01-06 18:36:32,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:32,818 INFO L225 Difference]: With dead ends: 21666 [2021-01-06 18:36:32,818 INFO L226 Difference]: Without dead ends: 14408 [2021-01-06 18:36:32,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:32,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14408 states. [2021-01-06 18:36:33,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14408 to 13513. [2021-01-06 18:36:33,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13513 states. [2021-01-06 18:36:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13513 states to 13513 states and 24542 transitions. [2021-01-06 18:36:33,605 INFO L78 Accepts]: Start accepts. Automaton has 13513 states and 24542 transitions. Word has length 91 [2021-01-06 18:36:33,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:33,605 INFO L481 AbstractCegarLoop]: Abstraction has 13513 states and 24542 transitions. [2021-01-06 18:36:33,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 13513 states and 24542 transitions. [2021-01-06 18:36:33,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:36:33,697 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:33,698 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] [2021-01-06 18:36:33,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:36:33,698 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:33,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:33,699 INFO L82 PathProgramCache]: Analyzing trace with hash -1309562007, now seen corresponding path program 1 times [2021-01-06 18:36:33,699 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:33,699 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033767235] [2021-01-06 18:36:33,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:33,873 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:36:33,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033767235] [2021-01-06 18:36:33,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:33,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:36:33,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311198771] [2021-01-06 18:36:33,875 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:36:33,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:33,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:36:33,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:36:33,876 INFO L87 Difference]: Start difference. First operand 13513 states and 24542 transitions. Second operand 9 states. [2021-01-06 18:36:38,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:38,631 INFO L93 Difference]: Finished difference Result 33076 states and 59064 transitions. [2021-01-06 18:36:38,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-01-06 18:36:38,631 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 92 [2021-01-06 18:36:38,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:38,745 INFO L225 Difference]: With dead ends: 33076 [2021-01-06 18:36:38,746 INFO L226 Difference]: Without dead ends: 32249 [2021-01-06 18:36:38,761 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=370, Unknown=0, NotChecked=0, Total=552 [2021-01-06 18:36:38,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32249 states. [2021-01-06 18:36:40,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32249 to 27220. [2021-01-06 18:36:40,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27220 states. [2021-01-06 18:36:40,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27220 states to 27220 states and 49414 transitions. [2021-01-06 18:36:40,426 INFO L78 Accepts]: Start accepts. Automaton has 27220 states and 49414 transitions. Word has length 92 [2021-01-06 18:36:40,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:40,426 INFO L481 AbstractCegarLoop]: Abstraction has 27220 states and 49414 transitions. [2021-01-06 18:36:40,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:36:40,427 INFO L276 IsEmpty]: Start isEmpty. Operand 27220 states and 49414 transitions. [2021-01-06 18:36:40,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:36:40,469 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:40,469 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] [2021-01-06 18:36:40,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:36:40,470 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:40,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:40,470 INFO L82 PathProgramCache]: Analyzing trace with hash 361625658, now seen corresponding path program 1 times [2021-01-06 18:36:40,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:40,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159471263] [2021-01-06 18:36:40,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:40,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:36:40,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159471263] [2021-01-06 18:36:40,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:40,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:36:40,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667899598] [2021-01-06 18:36:40,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:36:40,626 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:40,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:36:40,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:36:40,627 INFO L87 Difference]: Start difference. First operand 27220 states and 49414 transitions. Second operand 8 states. [2021-01-06 18:36:42,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:42,478 INFO L93 Difference]: Finished difference Result 30489 states and 54806 transitions. [2021-01-06 18:36:42,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:36:42,481 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2021-01-06 18:36:42,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:42,579 INFO L225 Difference]: With dead ends: 30489 [2021-01-06 18:36:42,579 INFO L226 Difference]: Without dead ends: 28459 [2021-01-06 18:36:42,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-01-06 18:36:42,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28459 states. [2021-01-06 18:36:44,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28459 to 27166. [2021-01-06 18:36:44,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27166 states. [2021-01-06 18:36:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27166 states to 27166 states and 49294 transitions. [2021-01-06 18:36:44,194 INFO L78 Accepts]: Start accepts. Automaton has 27166 states and 49294 transitions. Word has length 93 [2021-01-06 18:36:44,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:44,195 INFO L481 AbstractCegarLoop]: Abstraction has 27166 states and 49294 transitions. [2021-01-06 18:36:44,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:36:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 27166 states and 49294 transitions. [2021-01-06 18:36:44,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:36:44,230 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:44,231 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] [2021-01-06 18:36:44,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:36:44,231 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:44,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:44,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1360929554, now seen corresponding path program 1 times [2021-01-06 18:36:44,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:44,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469872164] [2021-01-06 18:36:44,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:44,321 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:36:44,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469872164] [2021-01-06 18:36:44,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:44,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:44,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991904807] [2021-01-06 18:36:44,323 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:36:44,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:44,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:36:44,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:36:44,324 INFO L87 Difference]: Start difference. First operand 27166 states and 49294 transitions. Second operand 4 states. [2021-01-06 18:36:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:46,923 INFO L93 Difference]: Finished difference Result 45638 states and 81969 transitions. [2021-01-06 18:36:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:36:46,924 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2021-01-06 18:36:46,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:47,111 INFO L225 Difference]: With dead ends: 45638 [2021-01-06 18:36:47,112 INFO L226 Difference]: Without dead ends: 44202 [2021-01-06 18:36:47,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:36:47,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44202 states. [2021-01-06 18:36:49,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44202 to 41038. [2021-01-06 18:36:49,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41038 states. [2021-01-06 18:36:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41038 states to 41038 states and 74406 transitions. [2021-01-06 18:36:49,351 INFO L78 Accepts]: Start accepts. Automaton has 41038 states and 74406 transitions. Word has length 93 [2021-01-06 18:36:49,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:49,351 INFO L481 AbstractCegarLoop]: Abstraction has 41038 states and 74406 transitions. [2021-01-06 18:36:49,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:36:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 41038 states and 74406 transitions. [2021-01-06 18:36:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:36:49,384 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:49,384 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] [2021-01-06 18:36:49,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:36:49,384 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:49,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:49,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1635689168, now seen corresponding path program 1 times [2021-01-06 18:36:49,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:49,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832095155] [2021-01-06 18:36:49,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:36:49,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832095155] [2021-01-06 18:36:49,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:49,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:36:49,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42377840] [2021-01-06 18:36:49,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:36:49,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:49,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:36:49,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:36:49,749 INFO L87 Difference]: Start difference. First operand 41038 states and 74406 transitions. Second operand 9 states. [2021-01-06 18:36:54,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:54,575 INFO L93 Difference]: Finished difference Result 62627 states and 110078 transitions. [2021-01-06 18:36:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:36:54,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 93 [2021-01-06 18:36:54,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:54,691 INFO L225 Difference]: With dead ends: 62627 [2021-01-06 18:36:54,691 INFO L226 Difference]: Without dead ends: 59505 [2021-01-06 18:36:54,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:36:54,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59505 states. [2021-01-06 18:36:57,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59505 to 43543. [2021-01-06 18:36:57,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43543 states. [2021-01-06 18:36:57,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43543 states to 43543 states and 78520 transitions. [2021-01-06 18:36:57,314 INFO L78 Accepts]: Start accepts. Automaton has 43543 states and 78520 transitions. Word has length 93 [2021-01-06 18:36:57,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:57,315 INFO L481 AbstractCegarLoop]: Abstraction has 43543 states and 78520 transitions. [2021-01-06 18:36:57,315 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:36:57,315 INFO L276 IsEmpty]: Start isEmpty. Operand 43543 states and 78520 transitions. [2021-01-06 18:36:57,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-01-06 18:36:57,353 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:57,353 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:36:57,354 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:36:57,354 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:36:57,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:57,354 INFO L82 PathProgramCache]: Analyzing trace with hash 351043881, now seen corresponding path program 1 times [2021-01-06 18:36:57,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:57,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271024945] [2021-01-06 18:36:57,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:57,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:36:57,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271024945] [2021-01-06 18:36:57,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:57,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:36:57,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932070696] [2021-01-06 18:36:57,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:36:57,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:57,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:36:57,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:36:57,451 INFO L87 Difference]: Start difference. First operand 43543 states and 78520 transitions. Second operand 5 states. [2021-01-06 18:37:03,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:03,246 INFO L93 Difference]: Finished difference Result 79445 states and 137742 transitions. [2021-01-06 18:37:03,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:37:03,247 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2021-01-06 18:37:03,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:03,368 INFO L225 Difference]: With dead ends: 79445 [2021-01-06 18:37:03,368 INFO L226 Difference]: Without dead ends: 74240 [2021-01-06 18:37:03,397 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 [2021-01-06 18:37:03,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74240 states. [2021-01-06 18:37:06,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74240 to 49684. [2021-01-06 18:37:06,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49684 states. [2021-01-06 18:37:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49684 states to 49684 states and 88409 transitions. [2021-01-06 18:37:06,580 INFO L78 Accepts]: Start accepts. Automaton has 49684 states and 88409 transitions. Word has length 94 [2021-01-06 18:37:06,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:06,581 INFO L481 AbstractCegarLoop]: Abstraction has 49684 states and 88409 transitions. [2021-01-06 18:37:06,581 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:37:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand 49684 states and 88409 transitions. [2021-01-06 18:37:06,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 18:37:06,627 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:06,627 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] [2021-01-06 18:37:06,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:37:06,627 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:37:06,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:06,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1089961268, now seen corresponding path program 1 times [2021-01-06 18:37:06,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:06,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904958228] [2021-01-06 18:37:06,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:06,761 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:37:06,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904958228] [2021-01-06 18:37:06,762 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:06,762 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:37:06,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775583763] [2021-01-06 18:37:06,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:37:06,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:06,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:37:06,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:37:06,765 INFO L87 Difference]: Start difference. First operand 49684 states and 88409 transitions. Second operand 11 states. [2021-01-06 18:37:11,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:11,116 INFO L93 Difference]: Finished difference Result 68468 states and 118826 transitions. [2021-01-06 18:37:11,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-01-06 18:37:11,117 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2021-01-06 18:37:11,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:11,207 INFO L225 Difference]: With dead ends: 68468 [2021-01-06 18:37:11,208 INFO L226 Difference]: Without dead ends: 57096 [2021-01-06 18:37:11,233 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=254, Invalid=616, Unknown=0, NotChecked=0, Total=870 [2021-01-06 18:37:11,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57096 states. [2021-01-06 18:37:13,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57096 to 49500. [2021-01-06 18:37:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49500 states. [2021-01-06 18:37:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49500 states to 49500 states and 88018 transitions. [2021-01-06 18:37:14,017 INFO L78 Accepts]: Start accepts. Automaton has 49500 states and 88018 transitions. Word has length 96 [2021-01-06 18:37:14,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:14,017 INFO L481 AbstractCegarLoop]: Abstraction has 49500 states and 88018 transitions. [2021-01-06 18:37:14,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:37:14,017 INFO L276 IsEmpty]: Start isEmpty. Operand 49500 states and 88018 transitions. [2021-01-06 18:37:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 18:37:14,052 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:14,052 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] [2021-01-06 18:37:14,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:37:14,053 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:37:14,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:14,053 INFO L82 PathProgramCache]: Analyzing trace with hash 1072644017, now seen corresponding path program 1 times [2021-01-06 18:37:14,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:14,054 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285902375] [2021-01-06 18:37:14,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:14,141 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:37:14,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285902375] [2021-01-06 18:37:14,142 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2059682415] [2021-01-06 18:37:14,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:37:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:14,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:37:14,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:37:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:37:14,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:37:14,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-01-06 18:37:14,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623780238] [2021-01-06 18:37:14,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:37:14,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:14,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:37:14,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:37:14,862 INFO L87 Difference]: Start difference. First operand 49500 states and 88018 transitions. Second operand 9 states. [2021-01-06 18:37:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:35,182 INFO L93 Difference]: Finished difference Result 198856 states and 332080 transitions. [2021-01-06 18:37:35,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-01-06 18:37:35,182 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2021-01-06 18:37:35,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:35,738 INFO L225 Difference]: With dead ends: 198856 [2021-01-06 18:37:35,740 INFO L226 Difference]: Without dead ends: 186782 [2021-01-06 18:37:35,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 18:37:35,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186782 states. [2021-01-06 18:37:39,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186782 to 53620. [2021-01-06 18:37:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53620 states. [2021-01-06 18:37:39,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53620 states to 53620 states and 95328 transitions. [2021-01-06 18:37:39,978 INFO L78 Accepts]: Start accepts. Automaton has 53620 states and 95328 transitions. Word has length 96 [2021-01-06 18:37:39,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:39,978 INFO L481 AbstractCegarLoop]: Abstraction has 53620 states and 95328 transitions. [2021-01-06 18:37:39,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:37:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 53620 states and 95328 transitions. [2021-01-06 18:37:40,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 18:37:40,018 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:40,019 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] [2021-01-06 18:37:40,219 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-01-06 18:37:40,220 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:37:40,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:40,221 INFO L82 PathProgramCache]: Analyzing trace with hash 2066282060, now seen corresponding path program 1 times [2021-01-06 18:37:40,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:40,221 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219514731] [2021-01-06 18:37:40,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:37:40,472 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219514731] [2021-01-06 18:37:40,472 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:40,472 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:37:40,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891910556] [2021-01-06 18:37:40,473 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:37:40,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:40,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:37:40,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:37:40,474 INFO L87 Difference]: Start difference. First operand 53620 states and 95328 transitions. Second operand 3 states. [2021-01-06 18:37:46,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:46,246 INFO L93 Difference]: Finished difference Result 153842 states and 273677 transitions. [2021-01-06 18:37:46,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:37:46,247 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 18:37:46,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:46,546 INFO L225 Difference]: With dead ends: 153842 [2021-01-06 18:37:46,546 INFO L226 Difference]: Without dead ends: 102228 [2021-01-06 18:37:46,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:37:46,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102228 states. [2021-01-06 18:37:51,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102228 to 90052. [2021-01-06 18:37:51,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90052 states. [2021-01-06 18:37:51,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90052 states to 90052 states and 161931 transitions. [2021-01-06 18:37:51,336 INFO L78 Accepts]: Start accepts. Automaton has 90052 states and 161931 transitions. Word has length 97 [2021-01-06 18:37:51,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:51,336 INFO L481 AbstractCegarLoop]: Abstraction has 90052 states and 161931 transitions. [2021-01-06 18:37:51,336 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:37:51,336 INFO L276 IsEmpty]: Start isEmpty. Operand 90052 states and 161931 transitions. [2021-01-06 18:37:51,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 18:37:51,386 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:51,386 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] [2021-01-06 18:37:51,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:37:51,386 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:37:51,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:51,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1483911681, now seen corresponding path program 1 times [2021-01-06 18:37:51,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:51,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555019723] [2021-01-06 18:37:51,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:37:51,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555019723] [2021-01-06 18:37:51,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:51,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:37:51,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517770817] [2021-01-06 18:37:51,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:37:51,459 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:51,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:37:51,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:37:51,459 INFO L87 Difference]: Start difference. First operand 90052 states and 161931 transitions. Second operand 3 states. [2021-01-06 18:37:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:59,887 INFO L93 Difference]: Finished difference Result 245836 states and 440291 transitions. [2021-01-06 18:37:59,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:37:59,888 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2021-01-06 18:37:59,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:00,235 INFO L225 Difference]: With dead ends: 245836 [2021-01-06 18:38:00,236 INFO L226 Difference]: Without dead ends: 158687 [2021-01-06 18:38:00,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:00,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158687 states. [2021-01-06 18:38:07,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158687 to 146511. [2021-01-06 18:38:07,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146511 states. [2021-01-06 18:38:08,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146511 states to 146511 states and 263402 transitions. [2021-01-06 18:38:08,217 INFO L78 Accepts]: Start accepts. Automaton has 146511 states and 263402 transitions. Word has length 98 [2021-01-06 18:38:08,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:08,217 INFO L481 AbstractCegarLoop]: Abstraction has 146511 states and 263402 transitions. [2021-01-06 18:38:08,217 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 146511 states and 263402 transitions. [2021-01-06 18:38:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 18:38:08,303 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:08,303 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] [2021-01-06 18:38:08,304 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:38:08,304 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:08,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:08,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1163253918, now seen corresponding path program 1 times [2021-01-06 18:38:08,304 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:08,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509665989] [2021-01-06 18:38:08,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:08,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509665989] [2021-01-06 18:38:08,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:08,370 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:08,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788703715] [2021-01-06 18:38:08,371 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:08,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:08,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:08,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:08,372 INFO L87 Difference]: Start difference. First operand 146511 states and 263402 transitions. Second operand 3 states. [2021-01-06 18:38:20,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:20,813 INFO L93 Difference]: Finished difference Result 407350 states and 731507 transitions. [2021-01-06 18:38:20,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:20,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 18:38:20,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:21,457 INFO L225 Difference]: With dead ends: 407350 [2021-01-06 18:38:21,457 INFO L226 Difference]: Without dead ends: 264629 [2021-01-06 18:38:21,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:22,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264629 states. [2021-01-06 18:38:33,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264629 to 252453. [2021-01-06 18:38:33,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252453 states. [2021-01-06 18:38:34,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252453 states to 252453 states and 454346 transitions. [2021-01-06 18:38:34,378 INFO L78 Accepts]: Start accepts. Automaton has 252453 states and 454346 transitions. Word has length 99 [2021-01-06 18:38:34,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:34,379 INFO L481 AbstractCegarLoop]: Abstraction has 252453 states and 454346 transitions. [2021-01-06 18:38:34,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:34,383 INFO L276 IsEmpty]: Start isEmpty. Operand 252453 states and 454346 transitions. [2021-01-06 18:38:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 18:38:34,470 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:34,470 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] [2021-01-06 18:38:34,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:38:34,470 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:38:34,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:34,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1080638088, now seen corresponding path program 1 times [2021-01-06 18:38:34,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:34,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617377258] [2021-01-06 18:38:34,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:38:34,535 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617377258] [2021-01-06 18:38:34,535 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:34,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:38:34,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421583493] [2021-01-06 18:38:34,536 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:38:34,536 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:34,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:38:34,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:34,537 INFO L87 Difference]: Start difference. First operand 252453 states and 454346 transitions. Second operand 3 states. [2021-01-06 18:38:57,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:57,149 INFO L93 Difference]: Finished difference Result 739580 states and 1331313 transitions. [2021-01-06 18:38:57,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:38:57,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2021-01-06 18:38:57,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:58,694 INFO L225 Difference]: With dead ends: 739580 [2021-01-06 18:38:58,694 INFO L226 Difference]: Without dead ends: 491631 [2021-01-06 18:38:58,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:38:59,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491631 states. [2021-01-06 18:39:21,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491631 to 479455. [2021-01-06 18:39:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 479455 states. [2021-01-06 18:39:23,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479455 states to 479455 states and 863670 transitions. [2021-01-06 18:39:23,136 INFO L78 Accepts]: Start accepts. Automaton has 479455 states and 863670 transitions. Word has length 100 [2021-01-06 18:39:23,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:39:23,136 INFO L481 AbstractCegarLoop]: Abstraction has 479455 states and 863670 transitions. [2021-01-06 18:39:23,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:39:23,136 INFO L276 IsEmpty]: Start isEmpty. Operand 479455 states and 863670 transitions. [2021-01-06 18:39:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 18:39:23,239 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:39:23,239 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] [2021-01-06 18:39:23,239 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:39:23,239 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:39:23,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:39:23,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1447380019, now seen corresponding path program 1 times [2021-01-06 18:39:23,240 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:39:23,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393820013] [2021-01-06 18:39:23,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:39:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:39:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:39:24,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393820013] [2021-01-06 18:39:24,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:39:24,283 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:39:24,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634354599] [2021-01-06 18:39:24,283 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:39:24,283 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:39:24,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:39:24,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:39:24,284 INFO L87 Difference]: Start difference. First operand 479455 states and 863670 transitions. Second operand 3 states.