/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec4_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:53:54,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:53:54,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:53:54,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:53:54,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:53:54,762 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:53:54,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:53:54,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:53:54,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:53:54,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:53:54,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:53:54,800 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:53:54,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:53:54,803 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:53:54,806 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:53:54,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:53:54,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:53:54,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:53:54,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:53:54,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:53:54,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:53:54,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:53:54,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:53:54,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:53:54,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:53:54,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:53:54,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:53:54,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:53:54,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:53:54,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:53:54,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:53:54,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:53:54,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:53:54,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:53:54,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:53:54,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:53:54,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:53:54,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:53:54,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:53:54,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:53:54,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:53:54,870 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 18:53:54,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:53:54,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:53:54,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:53:54,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:53:54,925 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:53:54,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:53:54,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:53:54,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:53:54,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:53:54,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:53:54,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:53:54,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:53:54,927 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:53:54,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:53:54,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:53:54,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:53:54,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:53:54,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:53:54,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:53:54,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:53:54,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:53:54,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:53:54,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:53:54,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:53:54,931 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:53:54,931 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:53:55,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:53:55,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:53:55,389 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:53:55,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:53:55,391 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:53:55,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2021-01-06 18:53:55,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cbf03bbad/a74981999204495b93d40fa13d51e1be/FLAG1e38c668f [2021-01-06 18:53:56,312 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:53:56,313 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c [2021-01-06 18:53:56,346 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cbf03bbad/a74981999204495b93d40fa13d51e1be/FLAG1e38c668f [2021-01-06 18:53:56,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/cbf03bbad/a74981999204495b93d40fa13d51e1be [2021-01-06 18:53:56,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:53:56,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:53:56,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:53:56,498 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:53:56,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:53:56,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:53:56" (1/1) ... [2021-01-06 18:53:56,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60cfab84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:56, skipping insertion in model container [2021-01-06 18:53:56,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:53:56" (1/1) ... [2021-01-06 18:53:56,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:53:56,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 18:53:56,866 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c[1218,1231] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] [2021-01-06 18:53:57,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:53:57,463 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 18:53:57,483 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec4_product27.cil.c[1218,1231] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_name2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_outbuffer2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientAddressBook_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Alias2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook0_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook1_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_AddressBook2_Address2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_autoResponse2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_privateKey2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_ClientKeyring_size2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_User1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring1_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring2_PublicKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_forwardReceiver2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] [2021-01-06 18:53:57,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:53:57,746 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:53:57,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57 WrapperNode [2021-01-06 18:53:57,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:53:57,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:53:57,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:53:57,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:53:57,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (1/1) ... [2021-01-06 18:53:57,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (1/1) ... [2021-01-06 18:53:57,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:53:57,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:53:57,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:53:57,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:53:58,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (1/1) ... [2021-01-06 18:53:58,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (1/1) ... [2021-01-06 18:53:58,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (1/1) ... [2021-01-06 18:53:58,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (1/1) ... [2021-01-06 18:53:58,078 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (1/1) ... [2021-01-06 18:53:58,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (1/1) ... [2021-01-06 18:53:58,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (1/1) ... [2021-01-06 18:53:58,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:53:58,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:53:58,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:53:58,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:53:58,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (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 18:53:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:53:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:53:58,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:53:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:53:58,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:54:01,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:54:01,838 INFO L299 CfgBuilder]: Removed 697 assume(true) statements. [2021-01-06 18:54:01,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:54:01 BoogieIcfgContainer [2021-01-06 18:54:01,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:54:01,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:54:01,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:54:01,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:54:01,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:53:56" (1/3) ... [2021-01-06 18:54:01,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bf802e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:54:01, skipping insertion in model container [2021-01-06 18:54:01,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:53:57" (2/3) ... [2021-01-06 18:54:01,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bf802e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:54:01, skipping insertion in model container [2021-01-06 18:54:01,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:54:01" (3/3) ... [2021-01-06 18:54:01,851 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product27.cil.c [2021-01-06 18:54:01,858 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:54:01,864 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:54:01,885 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:54:01,921 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:54:01,921 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:54:01,921 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:54:01,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:54:01,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:54:01,922 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:54:01,922 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:54:01,922 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:54:01,958 INFO L276 IsEmpty]: Start isEmpty. Operand 988 states. [2021-01-06 18:54:01,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-06 18:54:01,972 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:01,974 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] [2021-01-06 18:54:01,974 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 18:54:01,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:01,981 INFO L82 PathProgramCache]: Analyzing trace with hash -55816793, now seen corresponding path program 1 times [2021-01-06 18:54:01,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:01,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836444430] [2021-01-06 18:54:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:02,507 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 18:54:02,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836444430] [2021-01-06 18:54:02,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:02,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:02,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238070426] [2021-01-06 18:54:02,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:02,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:02,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:02,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:02,534 INFO L87 Difference]: Start difference. First operand 988 states. Second operand 3 states. [2021-01-06 18:54:02,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:02,761 INFO L93 Difference]: Finished difference Result 2929 states and 5027 transitions. [2021-01-06 18:54:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:02,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 43 [2021-01-06 18:54:02,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:02,803 INFO L225 Difference]: With dead ends: 2929 [2021-01-06 18:54:02,803 INFO L226 Difference]: Without dead ends: 1636 [2021-01-06 18:54:02,818 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 18:54:02,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2021-01-06 18:54:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 827. [2021-01-06 18:54:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-01-06 18:54:02,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1416 transitions. [2021-01-06 18:54:02,980 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1416 transitions. Word has length 43 [2021-01-06 18:54:02,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:02,981 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1416 transitions. [2021-01-06 18:54:02,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:02,981 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1416 transitions. [2021-01-06 18:54:02,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 18:54:02,986 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:02,986 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] [2021-01-06 18:54:02,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:54:02,987 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 18:54:02,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:02,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1736903946, now seen corresponding path program 1 times [2021-01-06 18:54:02,988 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:02,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654170017] [2021-01-06 18:54:02,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:03,105 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 18:54:03,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654170017] [2021-01-06 18:54:03,107 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:03,107 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:54:03,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310705811] [2021-01-06 18:54:03,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:54:03,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:03,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:54:03,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:54:03,110 INFO L87 Difference]: Start difference. First operand 827 states and 1416 transitions. Second operand 5 states. [2021-01-06 18:54:03,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:03,337 INFO L93 Difference]: Finished difference Result 2430 states and 4164 transitions. [2021-01-06 18:54:03,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:54:03,338 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 45 [2021-01-06 18:54:03,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:03,349 INFO L225 Difference]: With dead ends: 2430 [2021-01-06 18:54:03,349 INFO L226 Difference]: Without dead ends: 1622 [2021-01-06 18:54:03,353 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 18:54:03,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2021-01-06 18:54:03,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 827. [2021-01-06 18:54:03,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-01-06 18:54:03,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1415 transitions. [2021-01-06 18:54:03,398 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1415 transitions. Word has length 45 [2021-01-06 18:54:03,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:03,399 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1415 transitions. [2021-01-06 18:54:03,399 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:54:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1415 transitions. [2021-01-06 18:54:03,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 18:54:03,401 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:03,402 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] [2021-01-06 18:54:03,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:54:03,402 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 18:54:03,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:03,403 INFO L82 PathProgramCache]: Analyzing trace with hash 206278857, now seen corresponding path program 1 times [2021-01-06 18:54:03,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:03,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257249029] [2021-01-06 18:54:03,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:03,598 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 18:54:03,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257249029] [2021-01-06 18:54:03,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:03,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:03,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861702999] [2021-01-06 18:54:03,600 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:03,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:03,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:03,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:03,608 INFO L87 Difference]: Start difference. First operand 827 states and 1415 transitions. Second operand 3 states. [2021-01-06 18:54:03,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:03,667 INFO L93 Difference]: Finished difference Result 1636 states and 2804 transitions. [2021-01-06 18:54:03,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:03,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-01-06 18:54:03,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:03,674 INFO L225 Difference]: With dead ends: 1636 [2021-01-06 18:54:03,674 INFO L226 Difference]: Without dead ends: 832 [2021-01-06 18:54:03,677 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 18:54:03,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2021-01-06 18:54:03,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 827. [2021-01-06 18:54:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-01-06 18:54:03,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1414 transitions. [2021-01-06 18:54:03,715 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1414 transitions. Word has length 46 [2021-01-06 18:54:03,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:03,715 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1414 transitions. [2021-01-06 18:54:03,715 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1414 transitions. [2021-01-06 18:54:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:54:03,717 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:03,717 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] [2021-01-06 18:54:03,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:54:03,718 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 18:54:03,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:03,719 INFO L82 PathProgramCache]: Analyzing trace with hash 307192259, now seen corresponding path program 1 times [2021-01-06 18:54:03,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:03,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430293527] [2021-01-06 18:54:03,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:03,798 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 18:54:03,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430293527] [2021-01-06 18:54:03,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:03,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:03,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636005983] [2021-01-06 18:54:03,800 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:03,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:03,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:03,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:03,801 INFO L87 Difference]: Start difference. First operand 827 states and 1414 transitions. Second operand 3 states. [2021-01-06 18:54:03,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:03,860 INFO L93 Difference]: Finished difference Result 1646 states and 2817 transitions. [2021-01-06 18:54:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:03,862 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 18:54:03,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:03,868 INFO L225 Difference]: With dead ends: 1646 [2021-01-06 18:54:03,868 INFO L226 Difference]: Without dead ends: 827 [2021-01-06 18:54:03,871 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 18:54:03,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2021-01-06 18:54:03,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 827. [2021-01-06 18:54:03,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-01-06 18:54:03,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1412 transitions. [2021-01-06 18:54:03,914 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1412 transitions. Word has length 47 [2021-01-06 18:54:03,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:03,914 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1412 transitions. [2021-01-06 18:54:03,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:03,914 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1412 transitions. [2021-01-06 18:54:03,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:54:03,916 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:03,916 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] [2021-01-06 18:54:03,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:54:03,916 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 18:54:03,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:03,917 INFO L82 PathProgramCache]: Analyzing trace with hash 894540110, now seen corresponding path program 1 times [2021-01-06 18:54:03,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:03,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800047224] [2021-01-06 18:54:03,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:03,995 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 18:54:03,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800047224] [2021-01-06 18:54:03,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:03,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:54:03,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121268860] [2021-01-06 18:54:03,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:54:03,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:03,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:54:03,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:54:03,998 INFO L87 Difference]: Start difference. First operand 827 states and 1412 transitions. Second operand 5 states. [2021-01-06 18:54:04,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:04,204 INFO L93 Difference]: Finished difference Result 2420 states and 4144 transitions. [2021-01-06 18:54:04,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:54:04,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2021-01-06 18:54:04,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:04,216 INFO L225 Difference]: With dead ends: 2420 [2021-01-06 18:54:04,216 INFO L226 Difference]: Without dead ends: 1620 [2021-01-06 18:54:04,219 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 18:54:04,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1620 states. [2021-01-06 18:54:04,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1620 to 827. [2021-01-06 18:54:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-01-06 18:54:04,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1411 transitions. [2021-01-06 18:54:04,273 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1411 transitions. Word has length 48 [2021-01-06 18:54:04,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:04,274 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1411 transitions. [2021-01-06 18:54:04,274 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:54:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1411 transitions. [2021-01-06 18:54:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:54:04,275 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:04,275 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:54:04,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:54:04,276 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 18:54:04,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:04,276 INFO L82 PathProgramCache]: Analyzing trace with hash -1315351157, now seen corresponding path program 1 times [2021-01-06 18:54:04,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:04,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958525438] [2021-01-06 18:54:04,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:04,370 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 18:54:04,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958525438] [2021-01-06 18:54:04,371 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:04,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:54:04,371 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385001826] [2021-01-06 18:54:04,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:54:04,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:04,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:54:04,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:54:04,374 INFO L87 Difference]: Start difference. First operand 827 states and 1411 transitions. Second operand 5 states. [2021-01-06 18:54:04,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:04,682 INFO L93 Difference]: Finished difference Result 2425 states and 4149 transitions. [2021-01-06 18:54:04,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:54:04,683 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-01-06 18:54:04,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:04,694 INFO L225 Difference]: With dead ends: 2425 [2021-01-06 18:54:04,694 INFO L226 Difference]: Without dead ends: 1625 [2021-01-06 18:54:04,696 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 18:54:04,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1625 states. [2021-01-06 18:54:04,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1625 to 827. [2021-01-06 18:54:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2021-01-06 18:54:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1410 transitions. [2021-01-06 18:54:04,757 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1410 transitions. Word has length 49 [2021-01-06 18:54:04,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:04,757 INFO L481 AbstractCegarLoop]: Abstraction has 827 states and 1410 transitions. [2021-01-06 18:54:04,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:54:04,757 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1410 transitions. [2021-01-06 18:54:04,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:54:04,759 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:04,759 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] [2021-01-06 18:54:04,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:54:04,759 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 18:54:04,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:04,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1931962509, now seen corresponding path program 1 times [2021-01-06 18:54:04,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:04,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808108612] [2021-01-06 18:54:04,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:04,828 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 18:54:04,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808108612] [2021-01-06 18:54:04,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:04,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:04,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990193097] [2021-01-06 18:54:04,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:04,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:04,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:04,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:04,831 INFO L87 Difference]: Start difference. First operand 827 states and 1410 transitions. Second operand 3 states. [2021-01-06 18:54:04,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:04,888 INFO L93 Difference]: Finished difference Result 1369 states and 2307 transitions. [2021-01-06 18:54:04,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:04,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2021-01-06 18:54:04,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:04,896 INFO L225 Difference]: With dead ends: 1369 [2021-01-06 18:54:04,897 INFO L226 Difference]: Without dead ends: 830 [2021-01-06 18:54:04,898 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 18:54:04,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2021-01-06 18:54:04,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 829. [2021-01-06 18:54:04,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 829 states. [2021-01-06 18:54:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1412 transitions. [2021-01-06 18:54:04,950 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1412 transitions. Word has length 50 [2021-01-06 18:54:04,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:04,951 INFO L481 AbstractCegarLoop]: Abstraction has 829 states and 1412 transitions. [2021-01-06 18:54:04,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:04,951 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1412 transitions. [2021-01-06 18:54:04,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:54:04,952 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:04,952 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] [2021-01-06 18:54:04,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:54:04,953 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 18:54:04,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:04,953 INFO L82 PathProgramCache]: Analyzing trace with hash -1829492795, now seen corresponding path program 1 times [2021-01-06 18:54:04,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:04,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056419998] [2021-01-06 18:54:04,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:05,037 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 18:54:05,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056419998] [2021-01-06 18:54:05,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:05,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:05,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508440054] [2021-01-06 18:54:05,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:05,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:05,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:05,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:05,040 INFO L87 Difference]: Start difference. First operand 829 states and 1412 transitions. Second operand 3 states. [2021-01-06 18:54:05,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:05,145 INFO L93 Difference]: Finished difference Result 2373 states and 4060 transitions. [2021-01-06 18:54:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:05,145 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:54:05,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:05,157 INFO L225 Difference]: With dead ends: 2373 [2021-01-06 18:54:05,157 INFO L226 Difference]: Without dead ends: 1575 [2021-01-06 18:54:05,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:05,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2021-01-06 18:54:05,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1036. [2021-01-06 18:54:05,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2021-01-06 18:54:05,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1794 transitions. [2021-01-06 18:54:05,244 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1794 transitions. Word has length 58 [2021-01-06 18:54:05,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:05,244 INFO L481 AbstractCegarLoop]: Abstraction has 1036 states and 1794 transitions. [2021-01-06 18:54:05,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:05,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1794 transitions. [2021-01-06 18:54:05,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:54:05,246 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:05,246 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] [2021-01-06 18:54:05,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:54:05,246 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 18:54:05,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:05,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1979178118, now seen corresponding path program 1 times [2021-01-06 18:54:05,248 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:05,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586088974] [2021-01-06 18:54:05,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:05,384 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 18:54:05,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586088974] [2021-01-06 18:54:05,385 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:05,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:54:05,385 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750129003] [2021-01-06 18:54:05,386 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:54:05,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:05,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:54:05,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:54:05,387 INFO L87 Difference]: Start difference. First operand 1036 states and 1794 transitions. Second operand 5 states. [2021-01-06 18:54:05,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:05,739 INFO L93 Difference]: Finished difference Result 3038 states and 5288 transitions. [2021-01-06 18:54:05,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:54:05,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2021-01-06 18:54:05,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:05,753 INFO L225 Difference]: With dead ends: 3038 [2021-01-06 18:54:05,753 INFO L226 Difference]: Without dead ends: 2033 [2021-01-06 18:54:05,756 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:54:05,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2021-01-06 18:54:05,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1036. [2021-01-06 18:54:05,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2021-01-06 18:54:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1792 transitions. [2021-01-06 18:54:05,862 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1792 transitions. Word has length 59 [2021-01-06 18:54:05,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:05,864 INFO L481 AbstractCegarLoop]: Abstraction has 1036 states and 1792 transitions. [2021-01-06 18:54:05,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:54:05,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1792 transitions. [2021-01-06 18:54:05,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:54:05,866 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:05,866 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] [2021-01-06 18:54:05,867 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:54:05,867 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 18:54:05,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:05,867 INFO L82 PathProgramCache]: Analyzing trace with hash -657876913, now seen corresponding path program 1 times [2021-01-06 18:54:05,868 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:05,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833034519] [2021-01-06 18:54:05,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:05,941 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 18:54:05,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833034519] [2021-01-06 18:54:05,942 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:05,942 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:05,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067118270] [2021-01-06 18:54:05,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:05,943 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:05,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:05,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:05,947 INFO L87 Difference]: Start difference. First operand 1036 states and 1792 transitions. Second operand 3 states. [2021-01-06 18:54:06,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:06,095 INFO L93 Difference]: Finished difference Result 3036 states and 5280 transitions. [2021-01-06 18:54:06,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:06,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2021-01-06 18:54:06,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:06,112 INFO L225 Difference]: With dead ends: 3036 [2021-01-06 18:54:06,112 INFO L226 Difference]: Without dead ends: 2031 [2021-01-06 18:54:06,115 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 18:54:06,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2031 states. [2021-01-06 18:54:06,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2031 to 1492. [2021-01-06 18:54:06,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1492 states. [2021-01-06 18:54:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1492 states to 1492 states and 2633 transitions. [2021-01-06 18:54:06,224 INFO L78 Accepts]: Start accepts. Automaton has 1492 states and 2633 transitions. Word has length 60 [2021-01-06 18:54:06,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:06,224 INFO L481 AbstractCegarLoop]: Abstraction has 1492 states and 2633 transitions. [2021-01-06 18:54:06,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 2633 transitions. [2021-01-06 18:54:06,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:54:06,226 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:06,226 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] [2021-01-06 18:54:06,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:54:06,227 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 18:54:06,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:06,227 INFO L82 PathProgramCache]: Analyzing trace with hash -114247695, now seen corresponding path program 1 times [2021-01-06 18:54:06,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:06,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070887933] [2021-01-06 18:54:06,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:06,322 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 18:54:06,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070887933] [2021-01-06 18:54:06,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168364527] [2021-01-06 18:54:06,323 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 18:54:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:06,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 883 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:54:06,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:54:06,811 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 18:54:06,811 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:54:06,811 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:54:06,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910881288] [2021-01-06 18:54:06,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:54:06,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:06,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:54:06,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:54:06,813 INFO L87 Difference]: Start difference. First operand 1492 states and 2633 transitions. Second operand 5 states. [2021-01-06 18:54:06,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:06,995 INFO L93 Difference]: Finished difference Result 2836 states and 4904 transitions. [2021-01-06 18:54:06,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:54:06,996 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-01-06 18:54:06,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:07,008 INFO L225 Difference]: With dead ends: 2836 [2021-01-06 18:54:07,009 INFO L226 Difference]: Without dead ends: 2297 [2021-01-06 18:54:07,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:54:07,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2297 states. [2021-01-06 18:54:07,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2297 to 1755. [2021-01-06 18:54:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1755 states. [2021-01-06 18:54:07,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 3112 transitions. [2021-01-06 18:54:07,136 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 3112 transitions. Word has length 60 [2021-01-06 18:54:07,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:07,137 INFO L481 AbstractCegarLoop]: Abstraction has 1755 states and 3112 transitions. [2021-01-06 18:54:07,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:54:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 3112 transitions. [2021-01-06 18:54:07,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-01-06 18:54:07,140 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:07,140 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] [2021-01-06 18:54:07,355 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:54:07,356 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 18:54:07,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:07,357 INFO L82 PathProgramCache]: Analyzing trace with hash 451396788, now seen corresponding path program 1 times [2021-01-06 18:54:07,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:07,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733904114] [2021-01-06 18:54:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:07,425 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 18:54:07,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733904114] [2021-01-06 18:54:07,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:07,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:07,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404393453] [2021-01-06 18:54:07,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:07,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:07,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:07,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:07,428 INFO L87 Difference]: Start difference. First operand 1755 states and 3112 transitions. Second operand 3 states. [2021-01-06 18:54:07,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:07,625 INFO L93 Difference]: Finished difference Result 4852 states and 8621 transitions. [2021-01-06 18:54:07,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:07,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-01-06 18:54:07,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:07,645 INFO L225 Difference]: With dead ends: 4852 [2021-01-06 18:54:07,646 INFO L226 Difference]: Without dead ends: 3198 [2021-01-06 18:54:07,651 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 18:54:07,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3198 states. [2021-01-06 18:54:07,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3198 to 2659. [2021-01-06 18:54:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2659 states. [2021-01-06 18:54:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2659 states and 4773 transitions. [2021-01-06 18:54:07,871 INFO L78 Accepts]: Start accepts. Automaton has 2659 states and 4773 transitions. Word has length 64 [2021-01-06 18:54:07,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:07,873 INFO L481 AbstractCegarLoop]: Abstraction has 2659 states and 4773 transitions. [2021-01-06 18:54:07,873 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2659 states and 4773 transitions. [2021-01-06 18:54:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-01-06 18:54:07,880 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:07,880 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] [2021-01-06 18:54:07,881 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:54:07,881 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 18:54:07,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:07,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1105180468, now seen corresponding path program 1 times [2021-01-06 18:54:07,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:07,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743138607] [2021-01-06 18:54:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:07,969 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 18:54:07,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743138607] [2021-01-06 18:54:07,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:07,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:07,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649692484] [2021-01-06 18:54:07,971 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:07,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:07,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:07,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:07,977 INFO L87 Difference]: Start difference. First operand 2659 states and 4773 transitions. Second operand 3 states. [2021-01-06 18:54:08,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:08,242 INFO L93 Difference]: Finished difference Result 7300 states and 13123 transitions. [2021-01-06 18:54:08,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:08,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2021-01-06 18:54:08,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:08,270 INFO L225 Difference]: With dead ends: 7300 [2021-01-06 18:54:08,271 INFO L226 Difference]: Without dead ends: 4776 [2021-01-06 18:54:08,277 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 18:54:08,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4776 states. [2021-01-06 18:54:08,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4776 to 4237. [2021-01-06 18:54:08,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4237 states. [2021-01-06 18:54:08,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 4237 states and 7670 transitions. [2021-01-06 18:54:08,531 INFO L78 Accepts]: Start accepts. Automaton has 4237 states and 7670 transitions. Word has length 65 [2021-01-06 18:54:08,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:08,531 INFO L481 AbstractCegarLoop]: Abstraction has 4237 states and 7670 transitions. [2021-01-06 18:54:08,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:08,531 INFO L276 IsEmpty]: Start isEmpty. Operand 4237 states and 7670 transitions. [2021-01-06 18:54:08,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:54:08,536 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:08,536 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] [2021-01-06 18:54:08,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:54:08,536 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 18:54:08,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:08,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1150625891, now seen corresponding path program 1 times [2021-01-06 18:54:08,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:08,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937897626] [2021-01-06 18:54:08,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:08,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:08,604 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 18:54:08,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937897626] [2021-01-06 18:54:08,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:08,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:08,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812006665] [2021-01-06 18:54:08,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:08,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:08,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:08,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:08,608 INFO L87 Difference]: Start difference. First operand 4237 states and 7670 transitions. Second operand 3 states. [2021-01-06 18:54:09,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:09,131 INFO L93 Difference]: Finished difference Result 11750 states and 21297 transitions. [2021-01-06 18:54:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:09,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:54:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:09,160 INFO L225 Difference]: With dead ends: 11750 [2021-01-06 18:54:09,160 INFO L226 Difference]: Without dead ends: 7682 [2021-01-06 18:54:09,172 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 18:54:09,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7682 states. [2021-01-06 18:54:09,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7682 to 7143. [2021-01-06 18:54:09,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7143 states. [2021-01-06 18:54:09,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7143 states to 7143 states and 12999 transitions. [2021-01-06 18:54:09,738 INFO L78 Accepts]: Start accepts. Automaton has 7143 states and 12999 transitions. Word has length 66 [2021-01-06 18:54:09,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:09,738 INFO L481 AbstractCegarLoop]: Abstraction has 7143 states and 12999 transitions. [2021-01-06 18:54:09,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:09,738 INFO L276 IsEmpty]: Start isEmpty. Operand 7143 states and 12999 transitions. [2021-01-06 18:54:09,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:54:09,747 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:09,747 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 18:54:09,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:54:09,747 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 18:54:09,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:09,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1226088451, now seen corresponding path program 1 times [2021-01-06 18:54:09,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:09,749 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265687002] [2021-01-06 18:54:09,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:09,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:09,824 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 18:54:09,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265687002] [2021-01-06 18:54:09,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:09,826 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:09,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115274238] [2021-01-06 18:54:09,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:09,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:09,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:09,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:09,831 INFO L87 Difference]: Start difference. First operand 7143 states and 12999 transitions. Second operand 3 states. [2021-01-06 18:54:10,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:10,538 INFO L93 Difference]: Finished difference Result 20794 states and 37895 transitions. [2021-01-06 18:54:10,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:10,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-01-06 18:54:10,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:10,578 INFO L225 Difference]: With dead ends: 20794 [2021-01-06 18:54:10,579 INFO L226 Difference]: Without dead ends: 13828 [2021-01-06 18:54:10,596 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 18:54:10,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13828 states. [2021-01-06 18:54:11,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13828 to 13289. [2021-01-06 18:54:11,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13289 states. [2021-01-06 18:54:11,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13289 states to 13289 states and 24264 transitions. [2021-01-06 18:54:11,381 INFO L78 Accepts]: Start accepts. Automaton has 13289 states and 24264 transitions. Word has length 67 [2021-01-06 18:54:11,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:11,382 INFO L481 AbstractCegarLoop]: Abstraction has 13289 states and 24264 transitions. [2021-01-06 18:54:11,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 13289 states and 24264 transitions. [2021-01-06 18:54:11,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:54:11,389 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:11,389 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] [2021-01-06 18:54:11,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:54:11,390 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 18:54:11,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:11,390 INFO L82 PathProgramCache]: Analyzing trace with hash -911097964, now seen corresponding path program 1 times [2021-01-06 18:54:11,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:11,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956878157] [2021-01-06 18:54:11,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:11,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:11,464 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 18:54:11,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956878157] [2021-01-06 18:54:11,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:11,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:11,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597276175] [2021-01-06 18:54:11,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:11,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:11,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:11,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:11,466 INFO L87 Difference]: Start difference. First operand 13289 states and 24264 transitions. Second operand 3 states. [2021-01-06 18:54:12,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:12,740 INFO L93 Difference]: Finished difference Result 39062 states and 71389 transitions. [2021-01-06 18:54:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:12,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:54:12,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:12,814 INFO L225 Difference]: With dead ends: 39062 [2021-01-06 18:54:12,815 INFO L226 Difference]: Without dead ends: 25958 [2021-01-06 18:54:12,836 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 18:54:12,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25958 states. [2021-01-06 18:54:14,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25958 to 25419. [2021-01-06 18:54:14,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25419 states. [2021-01-06 18:54:14,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25419 states to 25419 states and 46473 transitions. [2021-01-06 18:54:14,391 INFO L78 Accepts]: Start accepts. Automaton has 25419 states and 46473 transitions. Word has length 68 [2021-01-06 18:54:14,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:14,391 INFO L481 AbstractCegarLoop]: Abstraction has 25419 states and 46473 transitions. [2021-01-06 18:54:14,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:14,391 INFO L276 IsEmpty]: Start isEmpty. Operand 25419 states and 46473 transitions. [2021-01-06 18:54:14,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:54:14,401 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:14,401 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 18:54:14,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:54:14,402 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 18:54:14,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:14,403 INFO L82 PathProgramCache]: Analyzing trace with hash 437171412, now seen corresponding path program 1 times [2021-01-06 18:54:14,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:14,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940064966] [2021-01-06 18:54:14,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:14,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:14,484 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 18:54:14,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940064966] [2021-01-06 18:54:14,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:14,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:14,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836596135] [2021-01-06 18:54:14,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:14,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:14,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:14,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:14,488 INFO L87 Difference]: Start difference. First operand 25419 states and 46473 transitions. Second operand 3 states. [2021-01-06 18:54:16,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:16,763 INFO L93 Difference]: Finished difference Result 70091 states and 127752 transitions. [2021-01-06 18:54:16,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:16,764 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:54:16,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:16,885 INFO L225 Difference]: With dead ends: 70091 [2021-01-06 18:54:16,885 INFO L226 Difference]: Without dead ends: 44904 [2021-01-06 18:54:16,935 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 18:54:17,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44904 states. [2021-01-06 18:54:18,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44904 to 44365. [2021-01-06 18:54:18,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44365 states. [2021-01-06 18:54:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44365 states to 44365 states and 80650 transitions. [2021-01-06 18:54:19,071 INFO L78 Accepts]: Start accepts. Automaton has 44365 states and 80650 transitions. Word has length 69 [2021-01-06 18:54:19,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:19,071 INFO L481 AbstractCegarLoop]: Abstraction has 44365 states and 80650 transitions. [2021-01-06 18:54:19,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:19,072 INFO L276 IsEmpty]: Start isEmpty. Operand 44365 states and 80650 transitions. [2021-01-06 18:54:19,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:54:19,082 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:19,083 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] [2021-01-06 18:54:19,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:54:19,083 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 18:54:19,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:19,084 INFO L82 PathProgramCache]: Analyzing trace with hash -1777749171, now seen corresponding path program 1 times [2021-01-06 18:54:19,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:19,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929036711] [2021-01-06 18:54:19,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:19,342 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 18:54:19,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929036711] [2021-01-06 18:54:19,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:19,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:54:19,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702492567] [2021-01-06 18:54:19,346 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:54:19,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:19,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:54:19,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:54:19,349 INFO L87 Difference]: Start difference. First operand 44365 states and 80650 transitions. Second operand 5 states. [2021-01-06 18:54:22,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:22,498 INFO L93 Difference]: Finished difference Result 130704 states and 237585 transitions. [2021-01-06 18:54:22,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:54:22,499 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2021-01-06 18:54:22,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:22,688 INFO L225 Difference]: With dead ends: 130704 [2021-01-06 18:54:22,689 INFO L226 Difference]: Without dead ends: 86639 [2021-01-06 18:54:22,742 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 18:54:22,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86639 states. [2021-01-06 18:54:25,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86639 to 44365. [2021-01-06 18:54:25,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44365 states. [2021-01-06 18:54:25,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44365 states to 44365 states and 80392 transitions. [2021-01-06 18:54:25,497 INFO L78 Accepts]: Start accepts. Automaton has 44365 states and 80392 transitions. Word has length 70 [2021-01-06 18:54:25,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:25,497 INFO L481 AbstractCegarLoop]: Abstraction has 44365 states and 80392 transitions. [2021-01-06 18:54:25,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:54:25,497 INFO L276 IsEmpty]: Start isEmpty. Operand 44365 states and 80392 transitions. [2021-01-06 18:54:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:54:25,507 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:25,507 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:54:25,508 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:54:25,508 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 18:54:25,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:25,508 INFO L82 PathProgramCache]: Analyzing trace with hash -1234119953, now seen corresponding path program 2 times [2021-01-06 18:54:25,509 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:25,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333739603] [2021-01-06 18:54:25,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:25,573 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:54:25,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333739603] [2021-01-06 18:54:25,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:25,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:54:25,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848479335] [2021-01-06 18:54:25,574 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:54:25,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:25,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:54:25,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:54:25,575 INFO L87 Difference]: Start difference. First operand 44365 states and 80392 transitions. Second operand 5 states. [2021-01-06 18:54:27,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:27,677 INFO L93 Difference]: Finished difference Result 88963 states and 161154 transitions. [2021-01-06 18:54:27,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:54:27,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2021-01-06 18:54:27,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:27,761 INFO L225 Difference]: With dead ends: 88963 [2021-01-06 18:54:27,762 INFO L226 Difference]: Without dead ends: 44904 [2021-01-06 18:54:27,810 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:54:27,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44904 states. [2021-01-06 18:54:30,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44904 to 44365. [2021-01-06 18:54:30,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44365 states. [2021-01-06 18:54:30,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44365 states to 44365 states and 80264 transitions. [2021-01-06 18:54:30,221 INFO L78 Accepts]: Start accepts. Automaton has 44365 states and 80264 transitions. Word has length 70 [2021-01-06 18:54:30,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:30,221 INFO L481 AbstractCegarLoop]: Abstraction has 44365 states and 80264 transitions. [2021-01-06 18:54:30,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:54:30,221 INFO L276 IsEmpty]: Start isEmpty. Operand 44365 states and 80264 transitions. [2021-01-06 18:54:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:54:30,228 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:30,229 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 18:54:30,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:54:30,229 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 18:54:30,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:30,230 INFO L82 PathProgramCache]: Analyzing trace with hash 921654882, now seen corresponding path program 1 times [2021-01-06 18:54:30,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:30,230 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127339988] [2021-01-06 18:54:30,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:30,287 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 18:54:30,288 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127339988] [2021-01-06 18:54:30,288 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:30,288 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:54:30,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517395772] [2021-01-06 18:54:30,289 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:54:30,289 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:30,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:54:30,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:54:30,290 INFO L87 Difference]: Start difference. First operand 44365 states and 80264 transitions. Second operand 3 states. [2021-01-06 18:54:33,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:33,297 INFO L93 Difference]: Finished difference Result 124589 states and 225228 transitions. [2021-01-06 18:54:33,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:54:33,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:54:33,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:33,460 INFO L225 Difference]: With dead ends: 124589 [2021-01-06 18:54:33,460 INFO L226 Difference]: Without dead ends: 80490 [2021-01-06 18:54:33,499 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 18:54:33,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80490 states. [2021-01-06 18:54:37,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80490 to 79951. [2021-01-06 18:54:37,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79951 states. [2021-01-06 18:54:37,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79951 states to 79951 states and 144265 transitions. [2021-01-06 18:54:37,296 INFO L78 Accepts]: Start accepts. Automaton has 79951 states and 144265 transitions. Word has length 70 [2021-01-06 18:54:37,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:37,297 INFO L481 AbstractCegarLoop]: Abstraction has 79951 states and 144265 transitions. [2021-01-06 18:54:37,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:54:37,297 INFO L276 IsEmpty]: Start isEmpty. Operand 79951 states and 144265 transitions. [2021-01-06 18:54:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:54:37,304 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:37,305 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] [2021-01-06 18:54:37,305 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:54:37,305 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 18:54:37,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:37,306 INFO L82 PathProgramCache]: Analyzing trace with hash -869613207, now seen corresponding path program 1 times [2021-01-06 18:54:37,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:37,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369119294] [2021-01-06 18:54:37,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:37,391 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 18:54:37,391 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369119294] [2021-01-06 18:54:37,392 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:37,392 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:54:37,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394036797] [2021-01-06 18:54:37,392 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:54:37,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:37,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:54:37,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:54:37,393 INFO L87 Difference]: Start difference. First operand 79951 states and 144265 transitions. Second operand 5 states. [2021-01-06 18:54:40,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:40,778 INFO L93 Difference]: Finished difference Result 83350 states and 149914 transitions. [2021-01-06 18:54:40,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:54:40,778 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2021-01-06 18:54:40,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:40,915 INFO L225 Difference]: With dead ends: 83350 [2021-01-06 18:54:40,916 INFO L226 Difference]: Without dead ends: 82869 [2021-01-06 18:54:40,938 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 18:54:40,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82869 states. [2021-01-06 18:54:44,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82869 to 80463. [2021-01-06 18:54:44,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80463 states. [2021-01-06 18:54:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80463 states to 80463 states and 145115 transitions. [2021-01-06 18:54:44,647 INFO L78 Accepts]: Start accepts. Automaton has 80463 states and 145115 transitions. Word has length 71 [2021-01-06 18:54:44,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:44,647 INFO L481 AbstractCegarLoop]: Abstraction has 80463 states and 145115 transitions. [2021-01-06 18:54:44,647 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:54:44,648 INFO L276 IsEmpty]: Start isEmpty. Operand 80463 states and 145115 transitions. [2021-01-06 18:54:44,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:54:44,656 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:44,656 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] [2021-01-06 18:54:44,656 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:54:44,656 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 18:54:44,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:44,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1341675182, now seen corresponding path program 1 times [2021-01-06 18:54:44,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:44,658 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373285209] [2021-01-06 18:54:44,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:44,774 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 18:54:44,774 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373285209] [2021-01-06 18:54:44,774 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:44,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:54:44,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617872921] [2021-01-06 18:54:44,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:54:44,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:44,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:54:44,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:54:44,777 INFO L87 Difference]: Start difference. First operand 80463 states and 145115 transitions. Second operand 8 states. [2021-01-06 18:54:47,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:47,899 INFO L93 Difference]: Finished difference Result 82167 states and 147930 transitions. [2021-01-06 18:54:47,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:54:47,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 72 [2021-01-06 18:54:47,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:48,058 INFO L225 Difference]: With dead ends: 82167 [2021-01-06 18:54:48,058 INFO L226 Difference]: Without dead ends: 81221 [2021-01-06 18:54:48,077 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 18:54:48,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81221 states. [2021-01-06 18:54:51,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81221 to 80430. [2021-01-06 18:54:51,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80430 states. [2021-01-06 18:54:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80430 states to 80430 states and 145055 transitions. [2021-01-06 18:54:51,590 INFO L78 Accepts]: Start accepts. Automaton has 80430 states and 145055 transitions. Word has length 72 [2021-01-06 18:54:51,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:51,591 INFO L481 AbstractCegarLoop]: Abstraction has 80430 states and 145055 transitions. [2021-01-06 18:54:51,591 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:54:51,591 INFO L276 IsEmpty]: Start isEmpty. Operand 80430 states and 145055 transitions. [2021-01-06 18:54:51,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:54:51,598 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:51,598 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] [2021-01-06 18:54:51,598 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:54:51,598 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 18:54:51,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:51,599 INFO L82 PathProgramCache]: Analyzing trace with hash 662868436, now seen corresponding path program 1 times [2021-01-06 18:54:51,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:51,599 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950797519] [2021-01-06 18:54:51,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:51,685 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 18:54:51,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950797519] [2021-01-06 18:54:51,685 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:51,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:54:51,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508228991] [2021-01-06 18:54:51,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:54:51,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:51,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:54:51,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:54:51,687 INFO L87 Difference]: Start difference. First operand 80430 states and 145055 transitions. Second operand 7 states. [2021-01-06 18:54:55,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:54:55,530 INFO L93 Difference]: Finished difference Result 85896 states and 154110 transitions. [2021-01-06 18:54:55,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:54:55,531 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 74 [2021-01-06 18:54:55,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:54:55,652 INFO L225 Difference]: With dead ends: 85896 [2021-01-06 18:54:55,652 INFO L226 Difference]: Without dead ends: 85550 [2021-01-06 18:54:55,671 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2021-01-06 18:54:55,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85550 states. [2021-01-06 18:54:59,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85550 to 81435. [2021-01-06 18:54:59,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81435 states. [2021-01-06 18:54:59,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81435 states to 81435 states and 146720 transitions. [2021-01-06 18:54:59,492 INFO L78 Accepts]: Start accepts. Automaton has 81435 states and 146720 transitions. Word has length 74 [2021-01-06 18:54:59,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:54:59,492 INFO L481 AbstractCegarLoop]: Abstraction has 81435 states and 146720 transitions. [2021-01-06 18:54:59,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:54:59,492 INFO L276 IsEmpty]: Start isEmpty. Operand 81435 states and 146720 transitions. [2021-01-06 18:54:59,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:54:59,503 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:54:59,503 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] [2021-01-06 18:54:59,503 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:54:59,503 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 18:54:59,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:54:59,504 INFO L82 PathProgramCache]: Analyzing trace with hash -924336438, now seen corresponding path program 1 times [2021-01-06 18:54:59,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:54:59,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756265070] [2021-01-06 18:54:59,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:54:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:54:59,623 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 18:54:59,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756265070] [2021-01-06 18:54:59,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:54:59,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:54:59,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347540464] [2021-01-06 18:54:59,810 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:54:59,811 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:54:59,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:54:59,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:54:59,814 INFO L87 Difference]: Start difference. First operand 81435 states and 146720 transitions. Second operand 9 states. [2021-01-06 18:55:03,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:03,043 INFO L93 Difference]: Finished difference Result 83291 states and 149799 transitions. [2021-01-06 18:55:03,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 18:55:03,043 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2021-01-06 18:55:03,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:03,190 INFO L225 Difference]: With dead ends: 83291 [2021-01-06 18:55:03,190 INFO L226 Difference]: Without dead ends: 81658 [2021-01-06 18:55:03,211 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2021-01-06 18:55:03,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81658 states. [2021-01-06 18:55:06,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81658 to 81069. [2021-01-06 18:55:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81069 states. [2021-01-06 18:55:06,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81069 states to 81069 states and 146111 transitions. [2021-01-06 18:55:06,998 INFO L78 Accepts]: Start accepts. Automaton has 81069 states and 146111 transitions. Word has length 75 [2021-01-06 18:55:06,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:06,999 INFO L481 AbstractCegarLoop]: Abstraction has 81069 states and 146111 transitions. [2021-01-06 18:55:06,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:55:06,999 INFO L276 IsEmpty]: Start isEmpty. Operand 81069 states and 146111 transitions. [2021-01-06 18:55:07,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:55:07,043 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:07,043 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:07,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:55:07,043 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 18:55:07,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:07,044 INFO L82 PathProgramCache]: Analyzing trace with hash 565310269, now seen corresponding path program 1 times [2021-01-06 18:55:07,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:07,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946462359] [2021-01-06 18:55:07,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:07,127 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 18:55:07,127 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946462359] [2021-01-06 18:55:07,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:07,128 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:55:07,128 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274833747] [2021-01-06 18:55:07,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:55:07,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:07,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:55:07,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:55:07,129 INFO L87 Difference]: Start difference. First operand 81069 states and 146111 transitions. Second operand 4 states. [2021-01-06 18:55:10,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:10,112 INFO L93 Difference]: Finished difference Result 82359 states and 148230 transitions. [2021-01-06 18:55:10,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:55:10,113 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2021-01-06 18:55:10,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:10,345 INFO L225 Difference]: With dead ends: 82359 [2021-01-06 18:55:10,345 INFO L226 Difference]: Without dead ends: 81069 [2021-01-06 18:55:10,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:55:10,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81069 states. [2021-01-06 18:55:14,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81069 to 81069. [2021-01-06 18:55:14,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81069 states. [2021-01-06 18:55:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81069 states to 81069 states and 146098 transitions. [2021-01-06 18:55:14,203 INFO L78 Accepts]: Start accepts. Automaton has 81069 states and 146098 transitions. Word has length 105 [2021-01-06 18:55:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:14,203 INFO L481 AbstractCegarLoop]: Abstraction has 81069 states and 146098 transitions. [2021-01-06 18:55:14,203 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:55:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 81069 states and 146098 transitions. [2021-01-06 18:55:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 18:55:14,241 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:14,241 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:14,242 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:55:14,242 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 18:55:14,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:14,242 INFO L82 PathProgramCache]: Analyzing trace with hash -111261598, now seen corresponding path program 1 times [2021-01-06 18:55:14,242 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:14,243 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116255219] [2021-01-06 18:55:14,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:14,393 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 18:55:14,394 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116255219] [2021-01-06 18:55:14,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:14,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:55:14,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17651091] [2021-01-06 18:55:14,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:55:14,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:14,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:55:14,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:55:14,396 INFO L87 Difference]: Start difference. First operand 81069 states and 146098 transitions. Second operand 11 states. [2021-01-06 18:55:20,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:20,786 INFO L93 Difference]: Finished difference Result 95249 states and 169200 transitions. [2021-01-06 18:55:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-01-06 18:55:20,786 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 108 [2021-01-06 18:55:20,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:20,953 INFO L225 Difference]: With dead ends: 95249 [2021-01-06 18:55:20,954 INFO L226 Difference]: Without dead ends: 93989 [2021-01-06 18:55:20,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 18:55:21,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93989 states. [2021-01-06 18:55:24,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93989 to 82641. [2021-01-06 18:55:24,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82641 states. [2021-01-06 18:55:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82641 states to 82641 states and 148675 transitions. [2021-01-06 18:55:25,041 INFO L78 Accepts]: Start accepts. Automaton has 82641 states and 148675 transitions. Word has length 108 [2021-01-06 18:55:25,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:25,041 INFO L481 AbstractCegarLoop]: Abstraction has 82641 states and 148675 transitions. [2021-01-06 18:55:25,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:55:25,042 INFO L276 IsEmpty]: Start isEmpty. Operand 82641 states and 148675 transitions. [2021-01-06 18:55:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:55:25,087 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:25,087 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:25,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:55:25,088 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 18:55:25,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:25,088 INFO L82 PathProgramCache]: Analyzing trace with hash -976123303, now seen corresponding path program 1 times [2021-01-06 18:55:25,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:25,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803436698] [2021-01-06 18:55:25,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:55:25,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803436698] [2021-01-06 18:55:25,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:25,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:55:25,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640397760] [2021-01-06 18:55:25,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:55:25,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:25,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:55:25,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:55:25,211 INFO L87 Difference]: Start difference. First operand 82641 states and 148675 transitions. Second operand 8 states. [2021-01-06 18:55:33,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:33,101 INFO L93 Difference]: Finished difference Result 143945 states and 255631 transitions. [2021-01-06 18:55:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 18:55:33,101 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2021-01-06 18:55:33,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:33,372 INFO L225 Difference]: With dead ends: 143945 [2021-01-06 18:55:33,373 INFO L226 Difference]: Without dead ends: 141671 [2021-01-06 18:55:33,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2021-01-06 18:55:33,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141671 states. [2021-01-06 18:55:39,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141671 to 124787. [2021-01-06 18:55:39,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124787 states. [2021-01-06 18:55:40,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124787 states to 124787 states and 224184 transitions. [2021-01-06 18:55:40,014 INFO L78 Accepts]: Start accepts. Automaton has 124787 states and 224184 transitions. Word has length 109 [2021-01-06 18:55:40,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:40,014 INFO L481 AbstractCegarLoop]: Abstraction has 124787 states and 224184 transitions. [2021-01-06 18:55:40,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:55:40,014 INFO L276 IsEmpty]: Start isEmpty. Operand 124787 states and 224184 transitions. [2021-01-06 18:55:40,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:55:40,095 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:40,095 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:40,095 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:55:40,095 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 18:55:40,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:40,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1240829584, now seen corresponding path program 1 times [2021-01-06 18:55:40,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:40,096 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066972852] [2021-01-06 18:55:40,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:40,464 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 18:55:40,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066972852] [2021-01-06 18:55:40,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:40,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:55:40,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189161562] [2021-01-06 18:55:40,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:55:40,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:40,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:55:40,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:55:40,466 INFO L87 Difference]: Start difference. First operand 124787 states and 224184 transitions. Second operand 9 states. [2021-01-06 18:55:46,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:55:46,035 INFO L93 Difference]: Finished difference Result 132417 states and 236554 transitions. [2021-01-06 18:55:46,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-01-06 18:55:46,036 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2021-01-06 18:55:46,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:55:46,279 INFO L225 Difference]: With dead ends: 132417 [2021-01-06 18:55:46,279 INFO L226 Difference]: Without dead ends: 126377 [2021-01-06 18:55:46,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=172, Invalid=380, Unknown=0, NotChecked=0, Total=552 [2021-01-06 18:55:46,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126377 states. [2021-01-06 18:55:53,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126377 to 123731. [2021-01-06 18:55:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123731 states. [2021-01-06 18:55:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123731 states to 123731 states and 222378 transitions. [2021-01-06 18:55:53,549 INFO L78 Accepts]: Start accepts. Automaton has 123731 states and 222378 transitions. Word has length 109 [2021-01-06 18:55:53,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:55:53,549 INFO L481 AbstractCegarLoop]: Abstraction has 123731 states and 222378 transitions. [2021-01-06 18:55:53,549 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:55:53,549 INFO L276 IsEmpty]: Start isEmpty. Operand 123731 states and 222378 transitions. [2021-01-06 18:55:53,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:55:53,912 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:55:53,913 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:55:53,913 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:55:53,913 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:55:53,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:55:53,915 INFO L82 PathProgramCache]: Analyzing trace with hash 2144046267, now seen corresponding path program 1 times [2021-01-06 18:55:53,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:55:53,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067097751] [2021-01-06 18:55:53,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:55:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:55:54,082 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 18:55:54,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067097751] [2021-01-06 18:55:54,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:55:54,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:55:54,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474209447] [2021-01-06 18:55:54,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:55:54,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:55:54,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:55:54,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:55:54,084 INFO L87 Difference]: Start difference. First operand 123731 states and 222378 transitions. Second operand 3 states. [2021-01-06 18:56:05,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:05,086 INFO L93 Difference]: Finished difference Result 366767 states and 659231 transitions. [2021-01-06 18:56:05,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:56:05,086 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2021-01-06 18:56:05,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:05,924 INFO L225 Difference]: With dead ends: 366767 [2021-01-06 18:56:05,924 INFO L226 Difference]: Without dead ends: 243313 [2021-01-06 18:56:06,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:56:06,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243313 states. [2021-01-06 18:56:17,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243313 to 238165. [2021-01-06 18:56:17,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238165 states. [2021-01-06 18:56:18,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238165 states to 238165 states and 428203 transitions. [2021-01-06 18:56:18,508 INFO L78 Accepts]: Start accepts. Automaton has 238165 states and 428203 transitions. Word has length 109 [2021-01-06 18:56:18,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:18,509 INFO L481 AbstractCegarLoop]: Abstraction has 238165 states and 428203 transitions. [2021-01-06 18:56:18,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:56:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 238165 states and 428203 transitions. [2021-01-06 18:56:18,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:56:18,609 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:18,609 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:18,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 18:56:18,610 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:18,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:18,610 INFO L82 PathProgramCache]: Analyzing trace with hash -263032697, now seen corresponding path program 1 times [2021-01-06 18:56:18,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:18,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853652725] [2021-01-06 18:56:18,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:18,846 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 18:56:18,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853652725] [2021-01-06 18:56:18,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:18,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:56:18,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884304972] [2021-01-06 18:56:18,851 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:56:18,851 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:18,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:56:18,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:56:18,852 INFO L87 Difference]: Start difference. First operand 238165 states and 428203 transitions. Second operand 10 states. [2021-01-06 18:56:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:31,560 INFO L93 Difference]: Finished difference Result 255579 states and 456469 transitions. [2021-01-06 18:56:31,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-06 18:56:31,560 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2021-01-06 18:56:31,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:32,331 INFO L225 Difference]: With dead ends: 255579 [2021-01-06 18:56:32,332 INFO L226 Difference]: Without dead ends: 251549 [2021-01-06 18:56:32,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 222 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=312, Invalid=810, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 18:56:32,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251549 states. [2021-01-06 18:56:44,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251549 to 240773. [2021-01-06 18:56:44,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240773 states. [2021-01-06 18:56:45,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240773 states to 240773 states and 432408 transitions. [2021-01-06 18:56:45,183 INFO L78 Accepts]: Start accepts. Automaton has 240773 states and 432408 transitions. Word has length 110 [2021-01-06 18:56:45,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:56:45,183 INFO L481 AbstractCegarLoop]: Abstraction has 240773 states and 432408 transitions. [2021-01-06 18:56:45,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:56:45,183 INFO L276 IsEmpty]: Start isEmpty. Operand 240773 states and 432408 transitions. [2021-01-06 18:56:45,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:56:45,255 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:56:45,255 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:56:45,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-01-06 18:56:45,255 INFO L429 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:56:45,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:56:45,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1313376907, now seen corresponding path program 1 times [2021-01-06 18:56:45,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:56:45,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489918838] [2021-01-06 18:56:45,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:56:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:56:45,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:56:45,353 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489918838] [2021-01-06 18:56:45,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:56:45,353 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:56:45,353 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494201357] [2021-01-06 18:56:45,354 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:56:45,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:56:45,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:56:45,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:56:45,354 INFO L87 Difference]: Start difference. First operand 240773 states and 432408 transitions. Second operand 4 states. [2021-01-06 18:56:53,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:56:53,381 INFO L93 Difference]: Finished difference Result 245146 states and 439482 transitions. [2021-01-06 18:56:53,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:56:53,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2021-01-06 18:56:53,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:56:53,720 INFO L225 Difference]: With dead ends: 245146 [2021-01-06 18:56:53,720 INFO L226 Difference]: Without dead ends: 163531 [2021-01-06 18:56:53,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:56:53,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163531 states. [2021-01-06 18:57:03,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163531 to 163201. [2021-01-06 18:57:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163201 states. [2021-01-06 18:57:04,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163201 states to 163201 states and 292114 transitions. [2021-01-06 18:57:04,020 INFO L78 Accepts]: Start accepts. Automaton has 163201 states and 292114 transitions. Word has length 110 [2021-01-06 18:57:04,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:57:04,021 INFO L481 AbstractCegarLoop]: Abstraction has 163201 states and 292114 transitions. [2021-01-06 18:57:04,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:57:04,021 INFO L276 IsEmpty]: Start isEmpty. Operand 163201 states and 292114 transitions. [2021-01-06 18:57:04,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:57:04,086 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:57:04,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:57:04,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-01-06 18:57:04,086 INFO L429 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:57:04,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:57:04,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1417099427, now seen corresponding path program 1 times [2021-01-06 18:57:04,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:57:04,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948233795] [2021-01-06 18:57:04,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:57:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:57:04,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:57:04,275 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948233795] [2021-01-06 18:57:04,275 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:57:04,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:57:04,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759126468] [2021-01-06 18:57:04,276 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:57:04,276 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:57:04,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:57:04,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:04,277 INFO L87 Difference]: Start difference. First operand 163201 states and 292114 transitions. Second operand 3 states. [2021-01-06 18:57:18,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:57:18,738 INFO L93 Difference]: Finished difference Result 302101 states and 537885 transitions. [2021-01-06 18:57:18,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:57:18,739 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2021-01-06 18:57:18,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:57:19,687 INFO L225 Difference]: With dead ends: 302101 [2021-01-06 18:57:19,687 INFO L226 Difference]: Without dead ends: 294345 [2021-01-06 18:57:19,786 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:57:20,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294345 states.