/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:57:59,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:57:59,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:57:59,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:57:59,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:57:59,787 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:57:59,790 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:57:59,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:57:59,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:57:59,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:57:59,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:57:59,810 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:57:59,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:57:59,814 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:57:59,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:57:59,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:57:59,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:57:59,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:57:59,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:57:59,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:57:59,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:57:59,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:57:59,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:57:59,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:57:59,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:57:59,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:57:59,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:57:59,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:57:59,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:57:59,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:57:59,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:57:59,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:57:59,874 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:57:59,875 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:57:59,876 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:57:59,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:57:59,877 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:57:59,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:57:59,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:57:59,886 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:57:59,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:57:59,891 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 18:57:59,936 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:57:59,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:57:59,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:57:59,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:57:59,941 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:57:59,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:57:59,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:57:59,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:57:59,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:57:59,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:57:59,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:57:59,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:57:59,943 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:57:59,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:57:59,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:57:59,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:57:59,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:57:59,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:57:59,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:57:59,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:57:59,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:57:59,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:57:59,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:57:59,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:57:59,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:57:59,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:58:00,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:58:00,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:58:00,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:58:00,379 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:58:00,380 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:58:00,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2021-01-06 18:58:00,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2fbf4b4c0/cc3c89a767874f8795bbe84a1bf16849/FLAGb1e8692cd [2021-01-06 18:58:01,290 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:58:01,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product31.cil.c [2021-01-06 18:58:01,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2fbf4b4c0/cc3c89a767874f8795bbe84a1bf16849/FLAGb1e8692cd [2021-01-06 18:58:01,448 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/2fbf4b4c0/cc3c89a767874f8795bbe84a1bf16849 [2021-01-06 18:58:01,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:58:01,456 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:58:01,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:58:01,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:58:01,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:58:01,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:58:01" (1/1) ... [2021-01-06 18:58:01,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f444fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:01, skipping insertion in model container [2021-01-06 18:58:01,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:58:01" (1/1) ... [2021-01-06 18:58:01,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:58:01,576 INFO L178 MainTranslator]: Built tables and reachable declarations 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[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~5,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] 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~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[~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[~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[~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[~retValue_acc~11,] 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~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[~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[~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[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~6,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] 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_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~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[~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[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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[~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[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] 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~20,] 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~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[~retValue_acc~21,] 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] [2021-01-06 18:58:02,089 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product31.cil.c[30684,30697] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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_tmp5~4,] 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~8,] 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_tmp5~5,] 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~9,] 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~22,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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~24,] 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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] 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_tmp3~2,] 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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] 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[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__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[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:58:02,350 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:58:02,362 INFO L203 MainTranslator]: Completed pre-run 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[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~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[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~5,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] 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~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[~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[~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[~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[~retValue_acc~11,] 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~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[~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[~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[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~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_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~6,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] 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_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~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[~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[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] 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[~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[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] 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~20,] 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~20,] 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~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[~retValue_acc~21,] 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] [2021-01-06 18:58:02,437 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product31.cil.c[30684,30697] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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_tmp5~4,] 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~8,] 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_tmp5~5,] 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~9,] 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~22,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] 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~24,] 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___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] 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_tmp3~2,] 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[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] 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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] 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[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~privkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] 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[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__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[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:58:02,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:58:02,639 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:58:02,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02 WrapperNode [2021-01-06 18:58:02,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:58:02,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:58:02,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:58:02,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:58:02,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (1/1) ... [2021-01-06 18:58:02,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (1/1) ... [2021-01-06 18:58:02,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:58:02,871 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:58:02,871 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:58:02,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:58:02,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (1/1) ... [2021-01-06 18:58:02,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (1/1) ... [2021-01-06 18:58:02,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (1/1) ... [2021-01-06 18:58:02,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (1/1) ... [2021-01-06 18:58:02,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (1/1) ... [2021-01-06 18:58:03,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (1/1) ... [2021-01-06 18:58:03,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (1/1) ... [2021-01-06 18:58:03,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:58:03,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:58:03,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:58:03,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:58:03,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (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 18:58:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:58:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:58:03,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:58:03,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:58:03,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:58:06,491 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:58:06,492 INFO L299 CfgBuilder]: Removed 387 assume(true) statements. [2021-01-06 18:58:06,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:58:06 BoogieIcfgContainer [2021-01-06 18:58:06,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:58:06,504 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:58:06,504 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:58:06,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:58:06,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:58:01" (1/3) ... [2021-01-06 18:58:06,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c41d42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:58:06, skipping insertion in model container [2021-01-06 18:58:06,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:58:02" (2/3) ... [2021-01-06 18:58:06,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c41d42c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:58:06, skipping insertion in model container [2021-01-06 18:58:06,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:58:06" (3/3) ... [2021-01-06 18:58:06,517 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product31.cil.c [2021-01-06 18:58:06,524 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:58:06,529 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:58:06,548 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:58:06,597 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:58:06,597 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:58:06,597 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:58:06,597 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:58:06,598 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:58:06,598 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:58:06,598 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:58:06,598 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:58:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states. [2021-01-06 18:58:06,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:58:06,650 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:06,651 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] [2021-01-06 18:58:06,651 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:06,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:06,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1078464191, now seen corresponding path program 1 times [2021-01-06 18:58:06,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:06,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958078580] [2021-01-06 18:58:06,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:06,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:07,150 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 18:58:07,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958078580] [2021-01-06 18:58:07,152 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:07,152 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:07,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236034952] [2021-01-06 18:58:07,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:07,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:07,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:07,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:07,174 INFO L87 Difference]: Start difference. First operand 581 states. Second operand 3 states. [2021-01-06 18:58:07,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:07,351 INFO L93 Difference]: Finished difference Result 1708 states and 2948 transitions. [2021-01-06 18:58:07,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:07,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-06 18:58:07,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:07,388 INFO L225 Difference]: With dead ends: 1708 [2021-01-06 18:58:07,388 INFO L226 Difference]: Without dead ends: 930 [2021-01-06 18:58:07,403 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 18:58:07,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 930 states. [2021-01-06 18:58:07,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 930 to 474. [2021-01-06 18:58:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2021-01-06 18:58:07,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 818 transitions. [2021-01-06 18:58:07,523 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 818 transitions. Word has length 54 [2021-01-06 18:58:07,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:07,523 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 818 transitions. [2021-01-06 18:58:07,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 818 transitions. [2021-01-06 18:58:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:58:07,534 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:07,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:07,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:58:07,536 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:07,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:07,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1064279764, now seen corresponding path program 1 times [2021-01-06 18:58:07,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:07,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162485446] [2021-01-06 18:58:07,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:07,756 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 18:58:07,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162485446] [2021-01-06 18:58:07,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:07,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:58:07,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463036972] [2021-01-06 18:58:07,760 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:07,760 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:07,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:07,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:07,761 INFO L87 Difference]: Start difference. First operand 474 states and 818 transitions. Second operand 5 states. [2021-01-06 18:58:08,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:08,086 INFO L93 Difference]: Finished difference Result 1371 states and 2370 transitions. [2021-01-06 18:58:08,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:58:08,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-01-06 18:58:08,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:08,093 INFO L225 Difference]: With dead ends: 1371 [2021-01-06 18:58:08,093 INFO L226 Difference]: Without dead ends: 916 [2021-01-06 18:58:08,095 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 18:58:08,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2021-01-06 18:58:08,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 474. [2021-01-06 18:58:08,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2021-01-06 18:58:08,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 817 transitions. [2021-01-06 18:58:08,121 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 817 transitions. Word has length 56 [2021-01-06 18:58:08,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:08,122 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 817 transitions. [2021-01-06 18:58:08,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:58:08,122 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 817 transitions. [2021-01-06 18:58:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:58:08,124 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:08,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:08,125 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:58:08,125 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:08,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:08,126 INFO L82 PathProgramCache]: Analyzing trace with hash -567005407, now seen corresponding path program 1 times [2021-01-06 18:58:08,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:08,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539117577] [2021-01-06 18:58:08,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:08,226 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 18:58:08,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539117577] [2021-01-06 18:58:08,227 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:08,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:08,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26078153] [2021-01-06 18:58:08,228 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:08,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:08,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:08,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:08,229 INFO L87 Difference]: Start difference. First operand 474 states and 817 transitions. Second operand 3 states. [2021-01-06 18:58:08,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:08,291 INFO L93 Difference]: Finished difference Result 930 states and 1608 transitions. [2021-01-06 18:58:08,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:08,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-06 18:58:08,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:08,296 INFO L225 Difference]: With dead ends: 930 [2021-01-06 18:58:08,296 INFO L226 Difference]: Without dead ends: 479 [2021-01-06 18:58:08,297 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 18:58:08,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2021-01-06 18:58:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 474. [2021-01-06 18:58:08,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2021-01-06 18:58:08,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 816 transitions. [2021-01-06 18:58:08,320 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 816 transitions. Word has length 57 [2021-01-06 18:58:08,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:08,321 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 816 transitions. [2021-01-06 18:58:08,321 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 816 transitions. [2021-01-06 18:58:08,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:58:08,322 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:08,323 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:08,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:58:08,323 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:08,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:08,324 INFO L82 PathProgramCache]: Analyzing trace with hash -500572697, now seen corresponding path program 1 times [2021-01-06 18:58:08,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:08,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009690155] [2021-01-06 18:58:08,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:08,421 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 18:58:08,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009690155] [2021-01-06 18:58:08,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:08,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:08,423 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840719754] [2021-01-06 18:58:08,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:08,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:08,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:08,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:08,425 INFO L87 Difference]: Start difference. First operand 474 states and 816 transitions. Second operand 3 states. [2021-01-06 18:58:08,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:08,479 INFO L93 Difference]: Finished difference Result 940 states and 1621 transitions. [2021-01-06 18:58:08,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:08,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:58:08,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:08,483 INFO L225 Difference]: With dead ends: 940 [2021-01-06 18:58:08,483 INFO L226 Difference]: Without dead ends: 474 [2021-01-06 18:58:08,484 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 18:58:08,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2021-01-06 18:58:08,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 474. [2021-01-06 18:58:08,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2021-01-06 18:58:08,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 814 transitions. [2021-01-06 18:58:08,502 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 814 transitions. Word has length 58 [2021-01-06 18:58:08,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:08,504 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 814 transitions. [2021-01-06 18:58:08,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:08,505 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 814 transitions. [2021-01-06 18:58:08,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:58:08,507 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:08,507 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:08,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:58:08,508 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:08,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:08,508 INFO L82 PathProgramCache]: Analyzing trace with hash -2115759748, now seen corresponding path program 1 times [2021-01-06 18:58:08,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:08,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853709378] [2021-01-06 18:58:08,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:08,645 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 18:58:08,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853709378] [2021-01-06 18:58:08,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:08,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:58:08,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156144256] [2021-01-06 18:58:08,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:08,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:08,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:08,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:08,650 INFO L87 Difference]: Start difference. First operand 474 states and 814 transitions. Second operand 5 states. [2021-01-06 18:58:08,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:08,906 INFO L93 Difference]: Finished difference Result 1361 states and 2350 transitions. [2021-01-06 18:58:08,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:58:08,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2021-01-06 18:58:08,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:08,913 INFO L225 Difference]: With dead ends: 1361 [2021-01-06 18:58:08,913 INFO L226 Difference]: Without dead ends: 914 [2021-01-06 18:58:08,914 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 18:58:08,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2021-01-06 18:58:08,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 474. [2021-01-06 18:58:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2021-01-06 18:58:08,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 813 transitions. [2021-01-06 18:58:08,967 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 813 transitions. Word has length 59 [2021-01-06 18:58:08,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:08,968 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 813 transitions. [2021-01-06 18:58:08,968 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:58:08,968 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 813 transitions. [2021-01-06 18:58:08,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:58:08,970 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:08,970 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:08,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:58:08,970 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:08,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:08,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1375519457, now seen corresponding path program 1 times [2021-01-06 18:58:08,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:08,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242954637] [2021-01-06 18:58:08,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:09,094 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 18:58:09,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242954637] [2021-01-06 18:58:09,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:09,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:58:09,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116499951] [2021-01-06 18:58:09,095 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:09,096 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:09,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:09,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:09,096 INFO L87 Difference]: Start difference. First operand 474 states and 813 transitions. Second operand 5 states. [2021-01-06 18:58:09,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:09,340 INFO L93 Difference]: Finished difference Result 1366 states and 2355 transitions. [2021-01-06 18:58:09,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:58:09,341 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-01-06 18:58:09,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:09,346 INFO L225 Difference]: With dead ends: 1366 [2021-01-06 18:58:09,346 INFO L226 Difference]: Without dead ends: 919 [2021-01-06 18:58:09,348 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 18:58:09,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 919 states. [2021-01-06 18:58:09,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 919 to 474. [2021-01-06 18:58:09,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2021-01-06 18:58:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 812 transitions. [2021-01-06 18:58:09,384 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 812 transitions. Word has length 60 [2021-01-06 18:58:09,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:09,385 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 812 transitions. [2021-01-06 18:58:09,385 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:58:09,385 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 812 transitions. [2021-01-06 18:58:09,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:58:09,386 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:09,386 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:09,386 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:58:09,387 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:09,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:09,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1184941513, now seen corresponding path program 1 times [2021-01-06 18:58:09,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:09,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976388020] [2021-01-06 18:58:09,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:09,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:09,458 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 18:58:09,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976388020] [2021-01-06 18:58:09,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:09,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:09,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743430115] [2021-01-06 18:58:09,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:09,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:09,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:09,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:09,461 INFO L87 Difference]: Start difference. First operand 474 states and 812 transitions. Second operand 3 states. [2021-01-06 18:58:09,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:09,499 INFO L93 Difference]: Finished difference Result 710 states and 1200 transitions. [2021-01-06 18:58:09,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:09,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:58:09,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:09,503 INFO L225 Difference]: With dead ends: 710 [2021-01-06 18:58:09,503 INFO L226 Difference]: Without dead ends: 477 [2021-01-06 18:58:09,504 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 18:58:09,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2021-01-06 18:58:09,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2021-01-06 18:58:09,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2021-01-06 18:58:09,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 814 transitions. [2021-01-06 18:58:09,532 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 814 transitions. Word has length 61 [2021-01-06 18:58:09,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:09,532 INFO L481 AbstractCegarLoop]: Abstraction has 476 states and 814 transitions. [2021-01-06 18:58:09,532 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 814 transitions. [2021-01-06 18:58:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:58:09,533 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:09,534 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:09,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:58:09,534 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:09,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:09,535 INFO L82 PathProgramCache]: Analyzing trace with hash 1271199413, now seen corresponding path program 1 times [2021-01-06 18:58:09,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:09,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189981553] [2021-01-06 18:58:09,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:09,597 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 18:58:09,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189981553] [2021-01-06 18:58:09,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:09,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:09,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79553279] [2021-01-06 18:58:09,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:09,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:09,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:09,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:09,600 INFO L87 Difference]: Start difference. First operand 476 states and 814 transitions. Second operand 3 states. [2021-01-06 18:58:09,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:09,660 INFO L93 Difference]: Finished difference Result 1314 states and 2266 transitions. [2021-01-06 18:58:09,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:09,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-01-06 18:58:09,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:09,667 INFO L225 Difference]: With dead ends: 1314 [2021-01-06 18:58:09,667 INFO L226 Difference]: Without dead ends: 869 [2021-01-06 18:58:09,669 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 18:58:09,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2021-01-06 18:58:09,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 636. [2021-01-06 18:58:09,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2021-01-06 18:58:09,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 1107 transitions. [2021-01-06 18:58:09,742 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 1107 transitions. Word has length 67 [2021-01-06 18:58:09,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:09,742 INFO L481 AbstractCegarLoop]: Abstraction has 636 states and 1107 transitions. [2021-01-06 18:58:09,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:09,742 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 1107 transitions. [2021-01-06 18:58:09,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:58:09,746 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:09,746 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:09,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:58:09,748 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:09,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:09,749 INFO L82 PathProgramCache]: Analyzing trace with hash -351663340, now seen corresponding path program 1 times [2021-01-06 18:58:09,749 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:09,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224633587] [2021-01-06 18:58:09,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:09,868 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 18:58:09,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224633587] [2021-01-06 18:58:09,873 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769392630] [2021-01-06 18:58:09,874 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 18:58:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:10,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 983 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:58:10,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:58:10,778 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 18:58:10,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:58:10,779 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:58:10,779 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27104290] [2021-01-06 18:58:10,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:10,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:10,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:10,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:10,783 INFO L87 Difference]: Start difference. First operand 636 states and 1107 transitions. Second operand 5 states. [2021-01-06 18:58:10,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:10,920 INFO L93 Difference]: Finished difference Result 1318 states and 2269 transitions. [2021-01-06 18:58:10,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:58:10,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 68 [2021-01-06 18:58:10,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:10,931 INFO L225 Difference]: With dead ends: 1318 [2021-01-06 18:58:10,932 INFO L226 Difference]: Without dead ends: 1085 [2021-01-06 18:58:10,933 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:10,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2021-01-06 18:58:11,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 850. [2021-01-06 18:58:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2021-01-06 18:58:11,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1497 transitions. [2021-01-06 18:58:11,029 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1497 transitions. Word has length 68 [2021-01-06 18:58:11,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:11,029 INFO L481 AbstractCegarLoop]: Abstraction has 850 states and 1497 transitions. [2021-01-06 18:58:11,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:58:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1497 transitions. [2021-01-06 18:58:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:58:11,036 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:11,036 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:11,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:58:11,251 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:11,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:11,252 INFO L82 PathProgramCache]: Analyzing trace with hash -986091801, now seen corresponding path program 1 times [2021-01-06 18:58:11,252 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:11,252 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727988915] [2021-01-06 18:58:11,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:11,341 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 18:58:11,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727988915] [2021-01-06 18:58:11,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:11,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:11,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857401723] [2021-01-06 18:58:11,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:11,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:11,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:11,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:11,347 INFO L87 Difference]: Start difference. First operand 850 states and 1497 transitions. Second operand 3 states. [2021-01-06 18:58:11,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:11,439 INFO L93 Difference]: Finished difference Result 2216 states and 3915 transitions. [2021-01-06 18:58:11,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:11,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:58:11,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:11,448 INFO L225 Difference]: With dead ends: 2216 [2021-01-06 18:58:11,448 INFO L226 Difference]: Without dead ends: 1455 [2021-01-06 18:58:11,452 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 18:58:11,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2021-01-06 18:58:11,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1222. [2021-01-06 18:58:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2021-01-06 18:58:11,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 2175 transitions. [2021-01-06 18:58:11,534 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 2175 transitions. Word has length 74 [2021-01-06 18:58:11,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:11,535 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 2175 transitions. [2021-01-06 18:58:11,535 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 2175 transitions. [2021-01-06 18:58:11,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:58:11,538 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:11,538 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:11,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:58:11,538 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:11,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:11,539 INFO L82 PathProgramCache]: Analyzing trace with hash 133756823, now seen corresponding path program 2 times [2021-01-06 18:58:11,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:11,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423682437] [2021-01-06 18:58:11,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:58:11,638 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423682437] [2021-01-06 18:58:11,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:11,639 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:58:11,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596656592] [2021-01-06 18:58:11,640 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:11,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:11,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:11,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:11,641 INFO L87 Difference]: Start difference. First operand 1222 states and 2175 transitions. Second operand 5 states. [2021-01-06 18:58:11,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:11,792 INFO L93 Difference]: Finished difference Result 2430 states and 4303 transitions. [2021-01-06 18:58:11,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:58:11,793 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2021-01-06 18:58:11,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:11,804 INFO L225 Difference]: With dead ends: 2430 [2021-01-06 18:58:11,804 INFO L226 Difference]: Without dead ends: 1455 [2021-01-06 18:58:11,806 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 18:58:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2021-01-06 18:58:11,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 1222. [2021-01-06 18:58:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1222 states. [2021-01-06 18:58:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1222 states and 2173 transitions. [2021-01-06 18:58:11,946 INFO L78 Accepts]: Start accepts. Automaton has 1222 states and 2173 transitions. Word has length 75 [2021-01-06 18:58:11,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:11,947 INFO L481 AbstractCegarLoop]: Abstraction has 1222 states and 2173 transitions. [2021-01-06 18:58:11,947 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:58:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 2173 transitions. [2021-01-06 18:58:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:58:11,950 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:11,951 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:11,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:58:11,951 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:11,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:11,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1826805642, now seen corresponding path program 1 times [2021-01-06 18:58:11,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:11,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526789052] [2021-01-06 18:58:11,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:12,036 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 18:58:12,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526789052] [2021-01-06 18:58:12,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:12,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:12,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962636044] [2021-01-06 18:58:12,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:12,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:12,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:12,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:12,039 INFO L87 Difference]: Start difference. First operand 1222 states and 2173 transitions. Second operand 3 states. [2021-01-06 18:58:12,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:12,178 INFO L93 Difference]: Finished difference Result 3304 states and 5898 transitions. [2021-01-06 18:58:12,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:12,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:58:12,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:12,191 INFO L225 Difference]: With dead ends: 3304 [2021-01-06 18:58:12,192 INFO L226 Difference]: Without dead ends: 2179 [2021-01-06 18:58:12,194 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 18:58:12,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2179 states. [2021-01-06 18:58:12,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2179 to 1946. [2021-01-06 18:58:12,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1946 states. [2021-01-06 18:58:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 3492 transitions. [2021-01-06 18:58:12,325 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 3492 transitions. Word has length 75 [2021-01-06 18:58:12,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:12,327 INFO L481 AbstractCegarLoop]: Abstraction has 1946 states and 3492 transitions. [2021-01-06 18:58:12,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:12,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3492 transitions. [2021-01-06 18:58:12,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:58:12,331 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:12,331 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:12,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:58:12,331 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:12,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:12,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1057825577, now seen corresponding path program 1 times [2021-01-06 18:58:12,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:12,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079223169] [2021-01-06 18:58:12,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:12,418 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 18:58:12,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079223169] [2021-01-06 18:58:12,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:12,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:12,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222358743] [2021-01-06 18:58:12,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:12,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:12,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:12,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:12,426 INFO L87 Difference]: Start difference. First operand 1946 states and 3492 transitions. Second operand 3 states. [2021-01-06 18:58:12,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:12,654 INFO L93 Difference]: Finished difference Result 5212 states and 9374 transitions. [2021-01-06 18:58:12,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:12,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:58:12,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:12,674 INFO L225 Difference]: With dead ends: 5212 [2021-01-06 18:58:12,674 INFO L226 Difference]: Without dead ends: 3397 [2021-01-06 18:58:12,679 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 18:58:12,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2021-01-06 18:58:12,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3164. [2021-01-06 18:58:12,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3164 states. [2021-01-06 18:58:12,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 3164 states and 5705 transitions. [2021-01-06 18:58:12,880 INFO L78 Accepts]: Start accepts. Automaton has 3164 states and 5705 transitions. Word has length 76 [2021-01-06 18:58:12,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:12,880 INFO L481 AbstractCegarLoop]: Abstraction has 3164 states and 5705 transitions. [2021-01-06 18:58:12,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:12,881 INFO L276 IsEmpty]: Start isEmpty. Operand 3164 states and 5705 transitions. [2021-01-06 18:58:12,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:58:12,889 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:12,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:12,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:58:12,890 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:12,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:12,890 INFO L82 PathProgramCache]: Analyzing trace with hash 79927239, now seen corresponding path program 1 times [2021-01-06 18:58:12,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:12,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207780417] [2021-01-06 18:58:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:12,966 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 18:58:12,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207780417] [2021-01-06 18:58:12,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:12,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:12,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737857781] [2021-01-06 18:58:12,968 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:12,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:12,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:12,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:12,969 INFO L87 Difference]: Start difference. First operand 3164 states and 5705 transitions. Second operand 3 states. [2021-01-06 18:58:13,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:13,277 INFO L93 Difference]: Finished difference Result 8582 states and 15496 transitions. [2021-01-06 18:58:13,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:13,278 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:58:13,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:13,308 INFO L225 Difference]: With dead ends: 8582 [2021-01-06 18:58:13,308 INFO L226 Difference]: Without dead ends: 5583 [2021-01-06 18:58:13,313 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 18:58:13,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5583 states. [2021-01-06 18:58:13,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5583 to 5350. [2021-01-06 18:58:13,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5350 states. [2021-01-06 18:58:13,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5350 states to 5350 states and 9666 transitions. [2021-01-06 18:58:13,701 INFO L78 Accepts]: Start accepts. Automaton has 5350 states and 9666 transitions. Word has length 77 [2021-01-06 18:58:13,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:13,701 INFO L481 AbstractCegarLoop]: Abstraction has 5350 states and 9666 transitions. [2021-01-06 18:58:13,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:13,701 INFO L276 IsEmpty]: Start isEmpty. Operand 5350 states and 9666 transitions. [2021-01-06 18:58:13,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:58:13,708 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:13,709 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] [2021-01-06 18:58:13,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:58:13,709 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:13,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:13,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1098546155, now seen corresponding path program 1 times [2021-01-06 18:58:13,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:13,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380155358] [2021-01-06 18:58:13,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:13,798 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 18:58:13,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380155358] [2021-01-06 18:58:13,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:13,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:58:13,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229637084] [2021-01-06 18:58:13,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:13,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:13,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:13,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:13,803 INFO L87 Difference]: Start difference. First operand 5350 states and 9666 transitions. Second operand 5 states. [2021-01-06 18:58:14,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:14,679 INFO L93 Difference]: Finished difference Result 15269 states and 27615 transitions. [2021-01-06 18:58:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:58:14,680 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2021-01-06 18:58:14,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:14,735 INFO L225 Difference]: With dead ends: 15269 [2021-01-06 18:58:14,735 INFO L226 Difference]: Without dead ends: 10166 [2021-01-06 18:58:14,745 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 18:58:14,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10166 states. [2021-01-06 18:58:15,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10166 to 5350. [2021-01-06 18:58:15,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5350 states. [2021-01-06 18:58:15,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5350 states to 5350 states and 9616 transitions. [2021-01-06 18:58:15,169 INFO L78 Accepts]: Start accepts. Automaton has 5350 states and 9616 transitions. Word has length 78 [2021-01-06 18:58:15,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:15,169 INFO L481 AbstractCegarLoop]: Abstraction has 5350 states and 9616 transitions. [2021-01-06 18:58:15,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:58:15,170 INFO L276 IsEmpty]: Start isEmpty. Operand 5350 states and 9616 transitions. [2021-01-06 18:58:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:58:15,177 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:15,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:15,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:58:15,178 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:15,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:15,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1547626342, now seen corresponding path program 1 times [2021-01-06 18:58:15,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:15,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279554795] [2021-01-06 18:58:15,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:15,254 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 18:58:15,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279554795] [2021-01-06 18:58:15,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:15,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:58:15,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810067746] [2021-01-06 18:58:15,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:58:15,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:15,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:58:15,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:58:15,257 INFO L87 Difference]: Start difference. First operand 5350 states and 9616 transitions. Second operand 3 states. [2021-01-06 18:58:15,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:15,740 INFO L93 Difference]: Finished difference Result 15466 states and 27843 transitions. [2021-01-06 18:58:15,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:58:15,741 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:58:15,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:15,782 INFO L225 Difference]: With dead ends: 15466 [2021-01-06 18:58:15,783 INFO L226 Difference]: Without dead ends: 10289 [2021-01-06 18:58:15,793 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 18:58:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10289 states. [2021-01-06 18:58:16,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10289 to 10056. [2021-01-06 18:58:16,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10056 states. [2021-01-06 18:58:16,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10056 states to 10056 states and 18097 transitions. [2021-01-06 18:58:16,402 INFO L78 Accepts]: Start accepts. Automaton has 10056 states and 18097 transitions. Word has length 78 [2021-01-06 18:58:16,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:16,402 INFO L481 AbstractCegarLoop]: Abstraction has 10056 states and 18097 transitions. [2021-01-06 18:58:16,402 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:58:16,402 INFO L276 IsEmpty]: Start isEmpty. Operand 10056 states and 18097 transitions. [2021-01-06 18:58:16,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:58:16,412 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:16,413 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] [2021-01-06 18:58:16,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:58:16,413 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:16,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:16,415 INFO L82 PathProgramCache]: Analyzing trace with hash 2016774822, now seen corresponding path program 1 times [2021-01-06 18:58:16,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:16,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542909686] [2021-01-06 18:58:16,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:16,750 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:16,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542909686] [2021-01-06 18:58:16,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:16,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:58:16,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680201284] [2021-01-06 18:58:16,751 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:58:16,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:16,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:58:16,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:58:16,753 INFO L87 Difference]: Start difference. First operand 10056 states and 18097 transitions. Second operand 9 states. [2021-01-06 18:58:19,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:19,278 INFO L93 Difference]: Finished difference Result 21160 states and 37861 transitions. [2021-01-06 18:58:19,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:58:19,279 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 79 [2021-01-06 18:58:19,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:19,337 INFO L225 Difference]: With dead ends: 21160 [2021-01-06 18:58:19,337 INFO L226 Difference]: Without dead ends: 20958 [2021-01-06 18:58:19,345 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:58:19,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20958 states. [2021-01-06 18:58:20,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20958 to 19897. [2021-01-06 18:58:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19897 states. [2021-01-06 18:58:20,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19897 states to 19897 states and 35836 transitions. [2021-01-06 18:58:20,543 INFO L78 Accepts]: Start accepts. Automaton has 19897 states and 35836 transitions. Word has length 79 [2021-01-06 18:58:20,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:20,544 INFO L481 AbstractCegarLoop]: Abstraction has 19897 states and 35836 transitions. [2021-01-06 18:58:20,544 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:58:20,545 INFO L276 IsEmpty]: Start isEmpty. Operand 19897 states and 35836 transitions. [2021-01-06 18:58:20,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:58:20,568 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:20,568 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:20,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:58:20,569 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:20,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:20,569 INFO L82 PathProgramCache]: Analyzing trace with hash -309018241, now seen corresponding path program 1 times [2021-01-06 18:58:20,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:20,570 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686881389] [2021-01-06 18:58:20,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:20,801 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:20,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686881389] [2021-01-06 18:58:20,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:20,802 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:58:20,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727444927] [2021-01-06 18:58:20,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:58:20,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:20,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:58:20,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:58:20,806 INFO L87 Difference]: Start difference. First operand 19897 states and 35836 transitions. Second operand 7 states. [2021-01-06 18:58:21,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:21,875 INFO L93 Difference]: Finished difference Result 20438 states and 36710 transitions. [2021-01-06 18:58:21,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:58:21,875 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2021-01-06 18:58:21,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:21,920 INFO L225 Difference]: With dead ends: 20438 [2021-01-06 18:58:21,921 INFO L226 Difference]: Without dead ends: 20068 [2021-01-06 18:58:21,927 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:58:21,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20068 states. [2021-01-06 18:58:23,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20068 to 19885. [2021-01-06 18:58:23,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19885 states. [2021-01-06 18:58:23,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19885 states to 19885 states and 35809 transitions. [2021-01-06 18:58:23,130 INFO L78 Accepts]: Start accepts. Automaton has 19885 states and 35809 transitions. Word has length 80 [2021-01-06 18:58:23,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:23,131 INFO L481 AbstractCegarLoop]: Abstraction has 19885 states and 35809 transitions. [2021-01-06 18:58:23,131 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:58:23,131 INFO L276 IsEmpty]: Start isEmpty. Operand 19885 states and 35809 transitions. [2021-01-06 18:58:23,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:58:23,148 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:23,149 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:23,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:58:23,149 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:23,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:23,150 INFO L82 PathProgramCache]: Analyzing trace with hash -545514921, now seen corresponding path program 1 times [2021-01-06 18:58:23,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:23,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723832874] [2021-01-06 18:58:23,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:23,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723832874] [2021-01-06 18:58:23,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:23,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:58:23,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606296031] [2021-01-06 18:58:23,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:58:23,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:23,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:58:23,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:58:23,346 INFO L87 Difference]: Start difference. First operand 19885 states and 35809 transitions. Second operand 9 states. [2021-01-06 18:58:26,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:26,126 INFO L93 Difference]: Finished difference Result 41541 states and 74457 transitions. [2021-01-06 18:58:26,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-01-06 18:58:26,127 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2021-01-06 18:58:26,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:26,204 INFO L225 Difference]: With dead ends: 41541 [2021-01-06 18:58:26,204 INFO L226 Difference]: Without dead ends: 41183 [2021-01-06 18:58:26,213 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2021-01-06 18:58:26,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41183 states. [2021-01-06 18:58:27,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41183 to 39594. [2021-01-06 18:58:27,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39594 states. [2021-01-06 18:58:27,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39594 states to 39594 states and 71320 transitions. [2021-01-06 18:58:27,913 INFO L78 Accepts]: Start accepts. Automaton has 39594 states and 71320 transitions. Word has length 80 [2021-01-06 18:58:27,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:27,913 INFO L481 AbstractCegarLoop]: Abstraction has 39594 states and 71320 transitions. [2021-01-06 18:58:27,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:58:27,913 INFO L276 IsEmpty]: Start isEmpty. Operand 39594 states and 71320 transitions. [2021-01-06 18:58:27,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:58:27,938 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:27,938 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:27,939 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:58:27,939 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:27,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:27,939 INFO L82 PathProgramCache]: Analyzing trace with hash -326660203, now seen corresponding path program 1 times [2021-01-06 18:58:27,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:27,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421872499] [2021-01-06 18:58:27,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:28,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421872499] [2021-01-06 18:58:28,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:28,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:58:28,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510197968] [2021-01-06 18:58:28,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:28,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:28,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:28,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:28,040 INFO L87 Difference]: Start difference. First operand 39594 states and 71320 transitions. Second operand 5 states. [2021-01-06 18:58:30,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:30,489 INFO L93 Difference]: Finished difference Result 44270 states and 78958 transitions. [2021-01-06 18:58:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:58:30,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 80 [2021-01-06 18:58:30,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:30,561 INFO L225 Difference]: With dead ends: 44270 [2021-01-06 18:58:30,562 INFO L226 Difference]: Without dead ends: 43600 [2021-01-06 18:58:30,577 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 18:58:30,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43600 states. [2021-01-06 18:58:32,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43600 to 40368. [2021-01-06 18:58:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40368 states. [2021-01-06 18:58:32,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40368 states to 40368 states and 72578 transitions. [2021-01-06 18:58:32,482 INFO L78 Accepts]: Start accepts. Automaton has 40368 states and 72578 transitions. Word has length 80 [2021-01-06 18:58:32,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:32,482 INFO L481 AbstractCegarLoop]: Abstraction has 40368 states and 72578 transitions. [2021-01-06 18:58:32,482 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:58:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 40368 states and 72578 transitions. [2021-01-06 18:58:32,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:58:32,513 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:32,514 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:32,514 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:58:32,514 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:32,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:32,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1437729780, now seen corresponding path program 1 times [2021-01-06 18:58:32,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:32,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206478050] [2021-01-06 18:58:32,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:32,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:32,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206478050] [2021-01-06 18:58:32,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:32,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:58:32,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665446740] [2021-01-06 18:58:32,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:58:32,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:32,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:58:32,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:58:32,665 INFO L87 Difference]: Start difference. First operand 40368 states and 72578 transitions. Second operand 8 states. [2021-01-06 18:58:34,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:34,759 INFO L93 Difference]: Finished difference Result 42706 states and 76385 transitions. [2021-01-06 18:58:34,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:58:34,761 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 81 [2021-01-06 18:58:34,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:34,819 INFO L225 Difference]: With dead ends: 42706 [2021-01-06 18:58:34,819 INFO L226 Difference]: Without dead ends: 41286 [2021-01-06 18:58:34,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2021-01-06 18:58:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41286 states. [2021-01-06 18:58:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41286 to 40243. [2021-01-06 18:58:36,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40243 states. [2021-01-06 18:58:37,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40243 states to 40243 states and 72368 transitions. [2021-01-06 18:58:37,044 INFO L78 Accepts]: Start accepts. Automaton has 40243 states and 72368 transitions. Word has length 81 [2021-01-06 18:58:37,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:37,044 INFO L481 AbstractCegarLoop]: Abstraction has 40243 states and 72368 transitions. [2021-01-06 18:58:37,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:58:37,045 INFO L276 IsEmpty]: Start isEmpty. Operand 40243 states and 72368 transitions. [2021-01-06 18:58:37,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:58:37,062 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:37,062 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:37,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:58:37,063 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:37,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:37,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1981828858, now seen corresponding path program 1 times [2021-01-06 18:58:37,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:37,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88465897] [2021-01-06 18:58:37,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:37,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:37,134 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:37,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88465897] [2021-01-06 18:58:37,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:37,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:58:37,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486266698] [2021-01-06 18:58:37,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:58:37,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:37,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:58:37,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:58:37,137 INFO L87 Difference]: Start difference. First operand 40243 states and 72368 transitions. Second operand 4 states. [2021-01-06 18:58:39,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:39,049 INFO L93 Difference]: Finished difference Result 44389 states and 79044 transitions. [2021-01-06 18:58:39,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:58:39,052 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2021-01-06 18:58:39,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:39,110 INFO L225 Difference]: With dead ends: 44389 [2021-01-06 18:58:39,110 INFO L226 Difference]: Without dead ends: 42979 [2021-01-06 18:58:39,121 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 18:58:39,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42979 states. [2021-01-06 18:58:41,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42979 to 40257. [2021-01-06 18:58:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40257 states. [2021-01-06 18:58:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40257 states to 40257 states and 72382 transitions. [2021-01-06 18:58:41,077 INFO L78 Accepts]: Start accepts. Automaton has 40257 states and 72382 transitions. Word has length 83 [2021-01-06 18:58:41,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:41,077 INFO L481 AbstractCegarLoop]: Abstraction has 40257 states and 72382 transitions. [2021-01-06 18:58:41,077 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:58:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 40257 states and 72382 transitions. [2021-01-06 18:58:41,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:58:41,096 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:41,096 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:41,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:58:41,097 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:41,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:41,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1801839527, now seen corresponding path program 1 times [2021-01-06 18:58:41,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:41,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34310606] [2021-01-06 18:58:41,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:41,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34310606] [2021-01-06 18:58:41,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:41,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:58:41,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629434398] [2021-01-06 18:58:41,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:58:41,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:41,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:58:41,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:58:41,192 INFO L87 Difference]: Start difference. First operand 40257 states and 72382 transitions. Second operand 6 states. [2021-01-06 18:58:42,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:42,891 INFO L93 Difference]: Finished difference Result 42827 states and 76564 transitions. [2021-01-06 18:58:42,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:58:42,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2021-01-06 18:58:42,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:42,951 INFO L225 Difference]: With dead ends: 42827 [2021-01-06 18:58:42,951 INFO L226 Difference]: Without dead ends: 41368 [2021-01-06 18:58:42,961 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:58:42,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41368 states. [2021-01-06 18:58:44,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41368 to 40189. [2021-01-06 18:58:44,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40189 states. [2021-01-06 18:58:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40189 states to 40189 states and 72264 transitions. [2021-01-06 18:58:44,758 INFO L78 Accepts]: Start accepts. Automaton has 40189 states and 72264 transitions. Word has length 83 [2021-01-06 18:58:44,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:44,759 INFO L481 AbstractCegarLoop]: Abstraction has 40189 states and 72264 transitions. [2021-01-06 18:58:44,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:58:44,759 INFO L276 IsEmpty]: Start isEmpty. Operand 40189 states and 72264 transitions. [2021-01-06 18:58:44,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-01-06 18:58:44,776 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:44,777 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:44,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:58:44,777 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:44,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:44,777 INFO L82 PathProgramCache]: Analyzing trace with hash 731094909, now seen corresponding path program 1 times [2021-01-06 18:58:44,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:44,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54535466] [2021-01-06 18:58:44,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:44,843 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:58:44,844 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54535466] [2021-01-06 18:58:44,844 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:44,844 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:58:44,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307656566] [2021-01-06 18:58:44,844 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:58:44,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:44,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:58:44,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:58:44,845 INFO L87 Difference]: Start difference. First operand 40189 states and 72264 transitions. Second operand 4 states. [2021-01-06 18:58:46,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:46,385 INFO L93 Difference]: Finished difference Result 41061 states and 73639 transitions. [2021-01-06 18:58:46,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:58:46,386 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2021-01-06 18:58:46,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:46,444 INFO L225 Difference]: With dead ends: 41061 [2021-01-06 18:58:46,444 INFO L226 Difference]: Without dead ends: 40361 [2021-01-06 18:58:46,456 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 18:58:46,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40361 states. [2021-01-06 18:58:48,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40361 to 39987. [2021-01-06 18:58:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39987 states. [2021-01-06 18:58:48,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39987 states to 39987 states and 71924 transitions. [2021-01-06 18:58:48,238 INFO L78 Accepts]: Start accepts. Automaton has 39987 states and 71924 transitions. Word has length 83 [2021-01-06 18:58:48,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:48,238 INFO L481 AbstractCegarLoop]: Abstraction has 39987 states and 71924 transitions. [2021-01-06 18:58:48,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:58:48,238 INFO L276 IsEmpty]: Start isEmpty. Operand 39987 states and 71924 transitions. [2021-01-06 18:58:48,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-01-06 18:58:48,275 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:48,275 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:48,276 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:58:48,276 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:48,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:48,276 INFO L82 PathProgramCache]: Analyzing trace with hash -539885872, now seen corresponding path program 1 times [2021-01-06 18:58:48,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:48,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246681745] [2021-01-06 18:58:48,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:48,358 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 18:58:48,358 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1246681745] [2021-01-06 18:58:48,358 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:48,358 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:58:48,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603375524] [2021-01-06 18:58:48,359 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:48,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:48,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:48,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:48,360 INFO L87 Difference]: Start difference. First operand 39987 states and 71924 transitions. Second operand 5 states. [2021-01-06 18:58:52,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:58:52,017 INFO L93 Difference]: Finished difference Result 113303 states and 203256 transitions. [2021-01-06 18:58:52,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:58:52,018 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 91 [2021-01-06 18:58:52,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:58:52,136 INFO L225 Difference]: With dead ends: 113303 [2021-01-06 18:58:52,137 INFO L226 Difference]: Without dead ends: 73684 [2021-01-06 18:58:52,190 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 18:58:52,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73684 states. [2021-01-06 18:58:54,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73684 to 39987. [2021-01-06 18:58:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39987 states. [2021-01-06 18:58:54,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39987 states to 39987 states and 71795 transitions. [2021-01-06 18:58:54,327 INFO L78 Accepts]: Start accepts. Automaton has 39987 states and 71795 transitions. Word has length 91 [2021-01-06 18:58:54,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:58:54,327 INFO L481 AbstractCegarLoop]: Abstraction has 39987 states and 71795 transitions. [2021-01-06 18:58:54,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:58:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 39987 states and 71795 transitions. [2021-01-06 18:58:54,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:58:54,348 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:58:54,349 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:58:54,349 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:58:54,349 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:58:54,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:58:54,349 INFO L82 PathProgramCache]: Analyzing trace with hash 938425311, now seen corresponding path program 1 times [2021-01-06 18:58:54,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:58:54,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459473686] [2021-01-06 18:58:54,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:58:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:58:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:58:54,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459473686] [2021-01-06 18:58:54,638 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:58:54,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:58:54,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136116444] [2021-01-06 18:58:54,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:58:54,638 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:58:54,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:58:54,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:58:54,639 INFO L87 Difference]: Start difference. First operand 39987 states and 71795 transitions. Second operand 5 states. [2021-01-06 18:59:01,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:59:01,171 INFO L93 Difference]: Finished difference Result 194115 states and 347779 transitions. [2021-01-06 18:59:01,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:59:01,172 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2021-01-06 18:59:01,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:59:01,592 INFO L225 Difference]: With dead ends: 194115 [2021-01-06 18:59:01,592 INFO L226 Difference]: Without dead ends: 154249 [2021-01-06 18:59:01,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 18:59:01,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154249 states. [2021-01-06 18:59:06,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154249 to 82160. [2021-01-06 18:59:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82160 states. [2021-01-06 18:59:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82160 states to 82160 states and 144922 transitions. [2021-01-06 18:59:06,239 INFO L78 Accepts]: Start accepts. Automaton has 82160 states and 144922 transitions. Word has length 92 [2021-01-06 18:59:06,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:59:06,239 INFO L481 AbstractCegarLoop]: Abstraction has 82160 states and 144922 transitions. [2021-01-06 18:59:06,239 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:59:06,239 INFO L276 IsEmpty]: Start isEmpty. Operand 82160 states and 144922 transitions. [2021-01-06 18:59:06,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:59:06,281 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:59:06,282 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:59:06,282 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:59:06,282 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:59:06,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:59:06,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1139975004, now seen corresponding path program 1 times [2021-01-06 18:59:06,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:59:06,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334474746] [2021-01-06 18:59:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:59:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:59:06,367 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 18:59:06,367 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334474746] [2021-01-06 18:59:06,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:59:06,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:59:06,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26480915] [2021-01-06 18:59:06,368 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:59:06,368 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:59:06,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:59:06,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:59:06,369 INFO L87 Difference]: Start difference. First operand 82160 states and 144922 transitions. Second operand 5 states. [2021-01-06 18:59:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:59:19,891 INFO L93 Difference]: Finished difference Result 390971 states and 691791 transitions. [2021-01-06 18:59:19,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:59:19,892 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2021-01-06 18:59:19,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:59:20,595 INFO L225 Difference]: With dead ends: 390971 [2021-01-06 18:59:20,595 INFO L226 Difference]: Without dead ends: 309249 [2021-01-06 18:59:20,705 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 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 18:59:20,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309249 states. [2021-01-06 18:59:29,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309249 to 162595. [2021-01-06 18:59:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162595 states. [2021-01-06 18:59:30,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162595 states to 162595 states and 287031 transitions. [2021-01-06 18:59:30,611 INFO L78 Accepts]: Start accepts. Automaton has 162595 states and 287031 transitions. Word has length 92 [2021-01-06 18:59:30,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:59:30,611 INFO L481 AbstractCegarLoop]: Abstraction has 162595 states and 287031 transitions. [2021-01-06 18:59:30,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:59:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 162595 states and 287031 transitions. [2021-01-06 18:59:30,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-01-06 18:59:30,694 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:59:30,694 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:59:30,695 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:59:30,695 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:59:30,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:59:30,695 INFO L82 PathProgramCache]: Analyzing trace with hash 529397739, now seen corresponding path program 1 times [2021-01-06 18:59:30,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:59:30,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056166754] [2021-01-06 18:59:30,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:59:30,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:59:30,822 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 18:59:30,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056166754] [2021-01-06 18:59:30,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:59:30,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:59:30,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304383750] [2021-01-06 18:59:30,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:59:30,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:59:30,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:59:30,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:59:30,824 INFO L87 Difference]: Start difference. First operand 162595 states and 287031 transitions. Second operand 4 states. [2021-01-06 18:59:43,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:59:43,962 INFO L93 Difference]: Finished difference Result 453357 states and 802032 transitions. [2021-01-06 18:59:43,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:59:43,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2021-01-06 18:59:43,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:59:44,842 INFO L225 Difference]: With dead ends: 453357 [2021-01-06 18:59:44,842 INFO L226 Difference]: Without dead ends: 291651 [2021-01-06 18:59:44,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:59:45,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291651 states.