/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_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:43:29,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:43:29,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:43:29,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:43:29,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:43:29,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:43:29,431 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:43:29,437 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:43:29,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:43:29,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:43:29,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:43:29,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:43:29,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:43:29,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:43:29,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:43:29,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:43:29,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:43:29,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:43:29,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:43:29,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:43:29,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:43:29,489 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:43:29,491 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:43:29,493 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:43:29,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:43:29,503 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:43:29,504 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:43:29,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:43:29,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:43:29,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:43:29,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:43:29,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:43:29,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:43:29,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:43:29,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:43:29,514 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:43:29,514 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:43:29,521 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:43:29,521 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:43:29,522 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:43:29,523 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:43:29,525 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 18:43:29,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:43:29,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:43:29,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:43:29,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:43:29,574 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:43:29,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:43:29,574 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:43:29,574 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:43:29,574 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:43:29,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:43:29,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:43:29,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:43:29,576 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:43:29,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:43:29,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:43:29,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:43:29,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:43:29,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:43:29,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:43:29,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:43:29,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:43:29,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:43:29,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:43:29,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:43:29,579 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:43:29,579 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:43:30,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:43:30,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:43:30,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:43:30,043 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:43:30,048 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:43:30,049 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product28.cil.c [2021-01-06 18:43:30,127 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0bcb075c4/75c0ef3f681c4fe1b16595af22a757c7/FLAG816e38911 [2021-01-06 18:43:31,018 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:43:31,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product28.cil.c [2021-01-06 18:43:31,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0bcb075c4/75c0ef3f681c4fe1b16595af22a757c7/FLAG816e38911 [2021-01-06 18:43:31,178 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0bcb075c4/75c0ef3f681c4fe1b16595af22a757c7 [2021-01-06 18:43:31,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:43:31,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:43:31,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:43:31,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:43:31,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:43:31,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:43:31" (1/1) ... [2021-01-06 18:43:31,196 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b36051a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:31, skipping insertion in model container [2021-01-06 18:43:31,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:43:31" (1/1) ... [2021-01-06 18:43:31,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:43:31,294 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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[~__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~2,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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_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~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[~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[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~17,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] 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___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:43:31,862 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_spec1_product28.cil.c[50767,50780] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~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_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~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~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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,] [2021-01-06 18:43:31,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:43:31,960 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] 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[~__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~2,] 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~2,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~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[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~1,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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_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~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[~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[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~17,] 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~17,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] 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___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] 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___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:43:32,098 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_spec1_product28.cil.c[50767,50780] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] 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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~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_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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~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~39,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~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,] [2021-01-06 18:43:32,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:43:32,209 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:43:32,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32 WrapperNode [2021-01-06 18:43:32,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:43:32,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:43:32,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:43:32,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:43:32,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (1/1) ... [2021-01-06 18:43:32,254 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (1/1) ... [2021-01-06 18:43:32,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:43:32,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:43:32,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:43:32,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:43:32,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (1/1) ... [2021-01-06 18:43:32,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (1/1) ... [2021-01-06 18:43:32,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (1/1) ... [2021-01-06 18:43:32,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (1/1) ... [2021-01-06 18:43:32,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (1/1) ... [2021-01-06 18:43:32,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (1/1) ... [2021-01-06 18:43:32,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (1/1) ... [2021-01-06 18:43:32,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:43:32,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:43:32,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:43:32,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:43:32,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (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 18:43:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:43:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:43:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:43:32,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:43:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:43:34,834 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:43:34,834 INFO L299 CfgBuilder]: Removed 291 assume(true) statements. [2021-01-06 18:43:34,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:43:34 BoogieIcfgContainer [2021-01-06 18:43:34,838 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:43:34,841 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:43:34,841 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:43:34,847 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:43:34,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:43:31" (1/3) ... [2021-01-06 18:43:34,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172bfd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:43:34, skipping insertion in model container [2021-01-06 18:43:34,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:32" (2/3) ... [2021-01-06 18:43:34,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@172bfd28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:43:34, skipping insertion in model container [2021-01-06 18:43:34,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:43:34" (3/3) ... [2021-01-06 18:43:34,852 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product28.cil.c [2021-01-06 18:43:34,859 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:43:34,866 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:43:34,889 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:43:34,938 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:43:34,938 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:43:34,939 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:43:34,939 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:43:34,939 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:43:34,939 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:43:34,939 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:43:34,939 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:43:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states. [2021-01-06 18:43:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 18:43:34,999 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:35,001 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:35,001 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:35,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:35,010 INFO L82 PathProgramCache]: Analyzing trace with hash 701477098, now seen corresponding path program 1 times [2021-01-06 18:43:35,021 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:35,021 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628576073] [2021-01-06 18:43:35,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:35,488 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 18:43:35,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628576073] [2021-01-06 18:43:35,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:35,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:35,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156530535] [2021-01-06 18:43:35,496 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:35,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:35,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:35,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:35,514 INFO L87 Difference]: Start difference. First operand 475 states. Second operand 3 states. [2021-01-06 18:43:35,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:35,672 INFO L93 Difference]: Finished difference Result 1390 states and 2441 transitions. [2021-01-06 18:43:35,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:35,674 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 18:43:35,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:35,700 INFO L225 Difference]: With dead ends: 1390 [2021-01-06 18:43:35,700 INFO L226 Difference]: Without dead ends: 792 [2021-01-06 18:43:35,707 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 18:43:35,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2021-01-06 18:43:35,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 405. [2021-01-06 18:43:35,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2021-01-06 18:43:35,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 707 transitions. [2021-01-06 18:43:35,807 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 707 transitions. Word has length 45 [2021-01-06 18:43:35,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:35,807 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 707 transitions. [2021-01-06 18:43:35,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:35,808 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 707 transitions. [2021-01-06 18:43:35,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:43:35,810 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:35,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:35,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:43:35,811 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:35,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:35,812 INFO L82 PathProgramCache]: Analyzing trace with hash 482864824, now seen corresponding path program 1 times [2021-01-06 18:43:35,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:35,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688854707] [2021-01-06 18:43:35,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:35,961 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 18:43:35,961 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688854707] [2021-01-06 18:43:35,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:35,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:35,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296438686] [2021-01-06 18:43:35,965 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:35,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:35,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:35,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:35,967 INFO L87 Difference]: Start difference. First operand 405 states and 707 transitions. Second operand 5 states. [2021-01-06 18:43:36,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:36,145 INFO L93 Difference]: Finished difference Result 1164 states and 2037 transitions. [2021-01-06 18:43:36,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:43:36,146 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2021-01-06 18:43:36,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:36,152 INFO L225 Difference]: With dead ends: 1164 [2021-01-06 18:43:36,152 INFO L226 Difference]: Without dead ends: 778 [2021-01-06 18:43:36,154 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 18:43:36,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2021-01-06 18:43:36,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 405. [2021-01-06 18:43:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2021-01-06 18:43:36,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 706 transitions. [2021-01-06 18:43:36,181 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 706 transitions. Word has length 47 [2021-01-06 18:43:36,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:36,182 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 706 transitions. [2021-01-06 18:43:36,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 706 transitions. [2021-01-06 18:43:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:43:36,184 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:36,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:36,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:43:36,185 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:36,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:36,186 INFO L82 PathProgramCache]: Analyzing trace with hash -429235253, now seen corresponding path program 1 times [2021-01-06 18:43:36,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:36,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963367731] [2021-01-06 18:43:36,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:36,300 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 18:43:36,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963367731] [2021-01-06 18:43:36,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:36,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:36,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250187572] [2021-01-06 18:43:36,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:36,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:36,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:36,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:36,303 INFO L87 Difference]: Start difference. First operand 405 states and 706 transitions. Second operand 3 states. [2021-01-06 18:43:36,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:36,352 INFO L93 Difference]: Finished difference Result 792 states and 1386 transitions. [2021-01-06 18:43:36,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:36,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 18:43:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:36,357 INFO L225 Difference]: With dead ends: 792 [2021-01-06 18:43:36,358 INFO L226 Difference]: Without dead ends: 410 [2021-01-06 18:43:36,359 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 18:43:36,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2021-01-06 18:43:36,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 405. [2021-01-06 18:43:36,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2021-01-06 18:43:36,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 705 transitions. [2021-01-06 18:43:36,387 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 705 transitions. Word has length 48 [2021-01-06 18:43:36,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:36,394 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 705 transitions. [2021-01-06 18:43:36,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 705 transitions. [2021-01-06 18:43:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:43:36,399 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:36,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:36,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:43:36,399 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:36,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:36,400 INFO L82 PathProgramCache]: Analyzing trace with hash 2059263557, now seen corresponding path program 1 times [2021-01-06 18:43:36,402 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:36,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607231475] [2021-01-06 18:43:36,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:36,578 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 18:43:36,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607231475] [2021-01-06 18:43:36,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:36,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:36,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701566707] [2021-01-06 18:43:36,580 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:36,580 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:36,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:36,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:36,582 INFO L87 Difference]: Start difference. First operand 405 states and 705 transitions. Second operand 3 states. [2021-01-06 18:43:36,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:36,628 INFO L93 Difference]: Finished difference Result 802 states and 1399 transitions. [2021-01-06 18:43:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:36,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2021-01-06 18:43:36,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:36,632 INFO L225 Difference]: With dead ends: 802 [2021-01-06 18:43:36,632 INFO L226 Difference]: Without dead ends: 405 [2021-01-06 18:43:36,633 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 18:43:36,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2021-01-06 18:43:36,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2021-01-06 18:43:36,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2021-01-06 18:43:36,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 703 transitions. [2021-01-06 18:43:36,652 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 703 transitions. Word has length 49 [2021-01-06 18:43:36,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:36,653 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 703 transitions. [2021-01-06 18:43:36,653 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:36,653 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 703 transitions. [2021-01-06 18:43:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:43:36,654 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:36,654 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:36,654 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:43:36,655 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:36,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:36,656 INFO L82 PathProgramCache]: Analyzing trace with hash -435134704, now seen corresponding path program 1 times [2021-01-06 18:43:36,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:36,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27559828] [2021-01-06 18:43:36,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:36,769 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 18:43:36,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27559828] [2021-01-06 18:43:36,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:36,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:36,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075088928] [2021-01-06 18:43:36,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:36,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:36,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:36,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:36,773 INFO L87 Difference]: Start difference. First operand 405 states and 703 transitions. Second operand 5 states. [2021-01-06 18:43:36,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:36,923 INFO L93 Difference]: Finished difference Result 1154 states and 2017 transitions. [2021-01-06 18:43:36,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:43:36,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 18:43:36,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:36,930 INFO L225 Difference]: With dead ends: 1154 [2021-01-06 18:43:36,930 INFO L226 Difference]: Without dead ends: 776 [2021-01-06 18:43:36,932 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 18:43:36,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2021-01-06 18:43:36,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 405. [2021-01-06 18:43:36,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2021-01-06 18:43:36,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 702 transitions. [2021-01-06 18:43:36,954 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 702 transitions. Word has length 50 [2021-01-06 18:43:36,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:36,955 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 702 transitions. [2021-01-06 18:43:36,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:36,955 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 702 transitions. [2021-01-06 18:43:36,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:43:36,957 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:36,957 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] [2021-01-06 18:43:36,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:43:36,958 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:36,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:36,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1868169229, now seen corresponding path program 1 times [2021-01-06 18:43:36,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:36,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393356233] [2021-01-06 18:43:36,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:37,047 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 18:43:37,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393356233] [2021-01-06 18:43:37,048 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:37,049 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:37,049 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170735818] [2021-01-06 18:43:37,050 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:37,050 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:37,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:37,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:37,052 INFO L87 Difference]: Start difference. First operand 405 states and 702 transitions. Second operand 5 states. [2021-01-06 18:43:37,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:37,218 INFO L93 Difference]: Finished difference Result 1159 states and 2022 transitions. [2021-01-06 18:43:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:43:37,219 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 18:43:37,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:37,224 INFO L225 Difference]: With dead ends: 1159 [2021-01-06 18:43:37,224 INFO L226 Difference]: Without dead ends: 781 [2021-01-06 18:43:37,225 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 18:43:37,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2021-01-06 18:43:37,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 405. [2021-01-06 18:43:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2021-01-06 18:43:37,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 701 transitions. [2021-01-06 18:43:37,255 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 701 transitions. Word has length 51 [2021-01-06 18:43:37,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:37,255 INFO L481 AbstractCegarLoop]: Abstraction has 405 states and 701 transitions. [2021-01-06 18:43:37,255 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:37,255 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 701 transitions. [2021-01-06 18:43:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:43:37,256 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:37,256 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] [2021-01-06 18:43:37,257 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:43:37,257 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:37,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:37,258 INFO L82 PathProgramCache]: Analyzing trace with hash 2010146805, now seen corresponding path program 1 times [2021-01-06 18:43:37,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:37,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243745795] [2021-01-06 18:43:37,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:37,323 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 18:43:37,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243745795] [2021-01-06 18:43:37,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:37,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:37,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281342591] [2021-01-06 18:43:37,324 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:37,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:37,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:37,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:37,326 INFO L87 Difference]: Start difference. First operand 405 states and 701 transitions. Second operand 3 states. [2021-01-06 18:43:37,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:37,359 INFO L93 Difference]: Finished difference Result 576 states and 985 transitions. [2021-01-06 18:43:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:37,359 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2021-01-06 18:43:37,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:37,362 INFO L225 Difference]: With dead ends: 576 [2021-01-06 18:43:37,362 INFO L226 Difference]: Without dead ends: 408 [2021-01-06 18:43:37,363 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 18:43:37,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2021-01-06 18:43:37,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 407. [2021-01-06 18:43:37,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2021-01-06 18:43:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 703 transitions. [2021-01-06 18:43:37,390 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 703 transitions. Word has length 52 [2021-01-06 18:43:37,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:37,391 INFO L481 AbstractCegarLoop]: Abstraction has 407 states and 703 transitions. [2021-01-06 18:43:37,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 703 transitions. [2021-01-06 18:43:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:43:37,392 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:37,392 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:37,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:43:37,393 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:37,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:37,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1917647433, now seen corresponding path program 1 times [2021-01-06 18:43:37,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:37,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826929155] [2021-01-06 18:43:37,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:37,458 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 18:43:37,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826929155] [2021-01-06 18:43:37,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:37,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:37,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581287780] [2021-01-06 18:43:37,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:37,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:37,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:37,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:37,461 INFO L87 Difference]: Start difference. First operand 407 states and 703 transitions. Second operand 3 states. [2021-01-06 18:43:37,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:37,509 INFO L93 Difference]: Finished difference Result 1107 states and 1933 transitions. [2021-01-06 18:43:37,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:37,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:43:37,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:37,514 INFO L225 Difference]: With dead ends: 1107 [2021-01-06 18:43:37,514 INFO L226 Difference]: Without dead ends: 731 [2021-01-06 18:43:37,515 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 18:43:37,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 731 states. [2021-01-06 18:43:37,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 731 to 563. [2021-01-06 18:43:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2021-01-06 18:43:37,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 989 transitions. [2021-01-06 18:43:37,553 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 989 transitions. Word has length 58 [2021-01-06 18:43:37,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:37,553 INFO L481 AbstractCegarLoop]: Abstraction has 563 states and 989 transitions. [2021-01-06 18:43:37,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:37,553 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 989 transitions. [2021-01-06 18:43:37,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:43:37,555 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:37,555 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:37,555 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:43:37,555 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:37,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:37,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1891023480, now seen corresponding path program 1 times [2021-01-06 18:43:37,556 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:37,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795011412] [2021-01-06 18:43:37,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:37,623 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 18:43:37,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795011412] [2021-01-06 18:43:37,624 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85076521] [2021-01-06 18:43:37,624 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 18:43:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:38,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:43:38,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:43:38,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:43:38,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 18:43:38,111 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 18:43:38,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569319747] [2021-01-06 18:43:38,111 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:38,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:38,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:38,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:38,112 INFO L87 Difference]: Start difference. First operand 563 states and 989 transitions. Second operand 3 states. [2021-01-06 18:43:38,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:38,149 INFO L93 Difference]: Finished difference Result 675 states and 1175 transitions. [2021-01-06 18:43:38,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:38,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-06 18:43:38,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:38,153 INFO L225 Difference]: With dead ends: 675 [2021-01-06 18:43:38,154 INFO L226 Difference]: Without dead ends: 557 [2021-01-06 18:43:38,154 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:38,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2021-01-06 18:43:38,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2021-01-06 18:43:38,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2021-01-06 18:43:38,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 980 transitions. [2021-01-06 18:43:38,189 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 980 transitions. Word has length 59 [2021-01-06 18:43:38,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:38,190 INFO L481 AbstractCegarLoop]: Abstraction has 557 states and 980 transitions. [2021-01-06 18:43:38,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:38,190 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 980 transitions. [2021-01-06 18:43:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-01-06 18:43:38,192 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:38,192 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:38,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:43:38,406 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:38,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:38,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1460815423, now seen corresponding path program 1 times [2021-01-06 18:43:38,407 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:38,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68728727] [2021-01-06 18:43:38,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:38,548 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 18:43:38,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68728727] [2021-01-06 18:43:38,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452995022] [2021-01-06 18:43:38,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:43:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:39,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:43:39,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:43:39,191 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 18:43:39,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:43:39,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:43:39,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258268960] [2021-01-06 18:43:39,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:39,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:39,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:39,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:39,194 INFO L87 Difference]: Start difference. First operand 557 states and 980 transitions. Second operand 5 states. [2021-01-06 18:43:39,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:39,286 INFO L93 Difference]: Finished difference Result 1093 states and 1909 transitions. [2021-01-06 18:43:39,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:43:39,287 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2021-01-06 18:43:39,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:39,293 INFO L225 Difference]: With dead ends: 1093 [2021-01-06 18:43:39,293 INFO L226 Difference]: Without dead ends: 931 [2021-01-06 18:43:39,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 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 18:43:39,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2021-01-06 18:43:39,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 767. [2021-01-06 18:43:39,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2021-01-06 18:43:39,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 1363 transitions. [2021-01-06 18:43:39,351 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 1363 transitions. Word has length 95 [2021-01-06 18:43:39,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:39,351 INFO L481 AbstractCegarLoop]: Abstraction has 767 states and 1363 transitions. [2021-01-06 18:43:39,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 1363 transitions. [2021-01-06 18:43:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 18:43:39,355 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:39,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:39,569 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 18:43:39,570 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:39,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:39,571 INFO L82 PathProgramCache]: Analyzing trace with hash 879002350, now seen corresponding path program 1 times [2021-01-06 18:43:39,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:39,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359422313] [2021-01-06 18:43:39,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:39,666 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 18:43:39,666 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359422313] [2021-01-06 18:43:39,666 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:39,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:39,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021524680] [2021-01-06 18:43:39,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:39,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:39,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:39,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:39,668 INFO L87 Difference]: Start difference. First operand 767 states and 1363 transitions. Second operand 3 states. [2021-01-06 18:43:39,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:39,751 INFO L93 Difference]: Finished difference Result 1971 states and 3520 transitions. [2021-01-06 18:43:39,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:39,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2021-01-06 18:43:39,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:39,760 INFO L225 Difference]: With dead ends: 1971 [2021-01-06 18:43:39,761 INFO L226 Difference]: Without dead ends: 1293 [2021-01-06 18:43:39,762 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 18:43:39,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2021-01-06 18:43:39,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1131. [2021-01-06 18:43:39,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1131 states. [2021-01-06 18:43:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 2027 transitions. [2021-01-06 18:43:39,869 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 2027 transitions. Word has length 101 [2021-01-06 18:43:39,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:39,870 INFO L481 AbstractCegarLoop]: Abstraction has 1131 states and 2027 transitions. [2021-01-06 18:43:39,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:39,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 2027 transitions. [2021-01-06 18:43:39,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 18:43:39,874 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:39,874 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:39,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:43:39,874 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:39,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:39,875 INFO L82 PathProgramCache]: Analyzing trace with hash -721284258, now seen corresponding path program 2 times [2021-01-06 18:43:39,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:39,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641717877] [2021-01-06 18:43:39,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:39,971 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 18:43:39,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641717877] [2021-01-06 18:43:39,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:39,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:39,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078005969] [2021-01-06 18:43:39,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:39,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:39,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:39,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:39,974 INFO L87 Difference]: Start difference. First operand 1131 states and 2027 transitions. Second operand 3 states. [2021-01-06 18:43:40,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:40,063 INFO L93 Difference]: Finished difference Result 2181 states and 3901 transitions. [2021-01-06 18:43:40,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:40,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2021-01-06 18:43:40,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:40,071 INFO L225 Difference]: With dead ends: 2181 [2021-01-06 18:43:40,071 INFO L226 Difference]: Without dead ends: 1293 [2021-01-06 18:43:40,073 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 18:43:40,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2021-01-06 18:43:40,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1131. [2021-01-06 18:43:40,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1131 states. [2021-01-06 18:43:40,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 1131 states and 2025 transitions. [2021-01-06 18:43:40,145 INFO L78 Accepts]: Start accepts. Automaton has 1131 states and 2025 transitions. Word has length 102 [2021-01-06 18:43:40,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:40,146 INFO L481 AbstractCegarLoop]: Abstraction has 1131 states and 2025 transitions. [2021-01-06 18:43:40,146 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:40,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 2025 transitions. [2021-01-06 18:43:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 18:43:40,149 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:40,149 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:40,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:43:40,149 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:40,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:40,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1673021439, now seen corresponding path program 1 times [2021-01-06 18:43:40,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:40,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132003893] [2021-01-06 18:43:40,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:40,229 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 18:43:40,230 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132003893] [2021-01-06 18:43:40,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:40,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:40,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180606851] [2021-01-06 18:43:40,231 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:40,231 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:40,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:40,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:40,232 INFO L87 Difference]: Start difference. First operand 1131 states and 2025 transitions. Second operand 3 states. [2021-01-06 18:43:40,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:40,406 INFO L93 Difference]: Finished difference Result 3035 states and 5461 transitions. [2021-01-06 18:43:40,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:40,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2021-01-06 18:43:40,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:40,419 INFO L225 Difference]: With dead ends: 3035 [2021-01-06 18:43:40,419 INFO L226 Difference]: Without dead ends: 2001 [2021-01-06 18:43:40,422 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 18:43:40,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2021-01-06 18:43:40,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1839. [2021-01-06 18:43:40,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1839 states. [2021-01-06 18:43:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 3316 transitions. [2021-01-06 18:43:40,565 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 3316 transitions. Word has length 102 [2021-01-06 18:43:40,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:40,566 INFO L481 AbstractCegarLoop]: Abstraction has 1839 states and 3316 transitions. [2021-01-06 18:43:40,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:40,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 3316 transitions. [2021-01-06 18:43:40,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 18:43:40,572 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:40,572 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:40,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:43:40,573 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:40,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:40,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1036268908, now seen corresponding path program 1 times [2021-01-06 18:43:40,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:40,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796034606] [2021-01-06 18:43:40,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:40,643 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 18:43:40,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796034606] [2021-01-06 18:43:40,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:40,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:40,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51581679] [2021-01-06 18:43:40,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:40,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:40,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:40,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:40,645 INFO L87 Difference]: Start difference. First operand 1839 states and 3316 transitions. Second operand 3 states. [2021-01-06 18:43:40,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:40,853 INFO L93 Difference]: Finished difference Result 4895 states and 8853 transitions. [2021-01-06 18:43:40,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:40,854 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2021-01-06 18:43:40,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:40,876 INFO L225 Difference]: With dead ends: 4895 [2021-01-06 18:43:40,877 INFO L226 Difference]: Without dead ends: 3187 [2021-01-06 18:43:40,881 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 18:43:40,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3187 states. [2021-01-06 18:43:41,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3187 to 3025. [2021-01-06 18:43:41,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3025 states. [2021-01-06 18:43:41,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3025 states to 3025 states and 5473 transitions. [2021-01-06 18:43:41,198 INFO L78 Accepts]: Start accepts. Automaton has 3025 states and 5473 transitions. Word has length 103 [2021-01-06 18:43:41,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:41,198 INFO L481 AbstractCegarLoop]: Abstraction has 3025 states and 5473 transitions. [2021-01-06 18:43:41,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 5473 transitions. [2021-01-06 18:43:41,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 18:43:41,206 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:41,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:41,207 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:43:41,207 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:41,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:41,207 INFO L82 PathProgramCache]: Analyzing trace with hash -290992626, now seen corresponding path program 1 times [2021-01-06 18:43:41,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:41,208 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553498336] [2021-01-06 18:43:41,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:41,286 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 18:43:41,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553498336] [2021-01-06 18:43:41,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:41,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:41,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916807549] [2021-01-06 18:43:41,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:41,288 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:41,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:41,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:41,288 INFO L87 Difference]: Start difference. First operand 3025 states and 5473 transitions. Second operand 3 states. [2021-01-06 18:43:41,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:41,605 INFO L93 Difference]: Finished difference Result 8169 states and 14807 transitions. [2021-01-06 18:43:41,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:41,605 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2021-01-06 18:43:41,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:41,639 INFO L225 Difference]: With dead ends: 8169 [2021-01-06 18:43:41,639 INFO L226 Difference]: Without dead ends: 5309 [2021-01-06 18:43:41,645 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 18:43:41,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5309 states. [2021-01-06 18:43:42,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5309 to 5147. [2021-01-06 18:43:42,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5147 states. [2021-01-06 18:43:42,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 5147 states and 9322 transitions. [2021-01-06 18:43:42,030 INFO L78 Accepts]: Start accepts. Automaton has 5147 states and 9322 transitions. Word has length 104 [2021-01-06 18:43:42,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:42,030 INFO L481 AbstractCegarLoop]: Abstraction has 5147 states and 9322 transitions. [2021-01-06 18:43:42,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 9322 transitions. [2021-01-06 18:43:42,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:43:42,043 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:42,043 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:42,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:43:42,044 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:42,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:42,044 INFO L82 PathProgramCache]: Analyzing trace with hash 2135194250, now seen corresponding path program 1 times [2021-01-06 18:43:42,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:42,045 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427761594] [2021-01-06 18:43:42,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:42,132 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 18:43:42,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427761594] [2021-01-06 18:43:42,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:42,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:42,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197736009] [2021-01-06 18:43:42,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:42,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:42,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:42,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:42,134 INFO L87 Difference]: Start difference. First operand 5147 states and 9322 transitions. Second operand 5 states. [2021-01-06 18:43:42,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:42,967 INFO L93 Difference]: Finished difference Result 14668 states and 26597 transitions. [2021-01-06 18:43:42,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:43:42,967 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 105 [2021-01-06 18:43:42,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:43,026 INFO L225 Difference]: With dead ends: 14668 [2021-01-06 18:43:43,026 INFO L226 Difference]: Without dead ends: 9764 [2021-01-06 18:43:43,035 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 18:43:43,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9764 states. [2021-01-06 18:43:43,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9764 to 5147. [2021-01-06 18:43:43,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5147 states. [2021-01-06 18:43:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5147 states to 5147 states and 9272 transitions. [2021-01-06 18:43:43,498 INFO L78 Accepts]: Start accepts. Automaton has 5147 states and 9272 transitions. Word has length 105 [2021-01-06 18:43:43,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:43,498 INFO L481 AbstractCegarLoop]: Abstraction has 5147 states and 9272 transitions. [2021-01-06 18:43:43,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:43,499 INFO L276 IsEmpty]: Start isEmpty. Operand 5147 states and 9272 transitions. [2021-01-06 18:43:43,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:43:43,510 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:43,511 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:43,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:43:43,511 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:43,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:43,511 INFO L82 PathProgramCache]: Analyzing trace with hash -645701285, now seen corresponding path program 1 times [2021-01-06 18:43:43,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:43,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743030838] [2021-01-06 18:43:43,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:43,591 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 18:43:43,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743030838] [2021-01-06 18:43:43,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:43,592 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:43,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900035503] [2021-01-06 18:43:43,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:43,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:43,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:43,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:43,598 INFO L87 Difference]: Start difference. First operand 5147 states and 9272 transitions. Second operand 3 states. [2021-01-06 18:43:44,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:44,119 INFO L93 Difference]: Finished difference Result 14993 states and 27049 transitions. [2021-01-06 18:43:44,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:44,120 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 18:43:44,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:44,152 INFO L225 Difference]: With dead ends: 14993 [2021-01-06 18:43:44,152 INFO L226 Difference]: Without dead ends: 10015 [2021-01-06 18:43:44,163 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 18:43:44,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10015 states. [2021-01-06 18:43:44,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10015 to 9853. [2021-01-06 18:43:44,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9853 states. [2021-01-06 18:43:44,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9853 states to 9853 states and 17753 transitions. [2021-01-06 18:43:44,816 INFO L78 Accepts]: Start accepts. Automaton has 9853 states and 17753 transitions. Word has length 105 [2021-01-06 18:43:44,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:44,816 INFO L481 AbstractCegarLoop]: Abstraction has 9853 states and 17753 transitions. [2021-01-06 18:43:44,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:44,817 INFO L276 IsEmpty]: Start isEmpty. Operand 9853 states and 17753 transitions. [2021-01-06 18:43:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:43:44,839 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:44,840 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:44,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:43:44,840 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:44,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:44,840 INFO L82 PathProgramCache]: Analyzing trace with hash 1119948527, now seen corresponding path program 1 times [2021-01-06 18:43:44,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:44,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290087206] [2021-01-06 18:43:44,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:45,121 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 18:43:45,121 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290087206] [2021-01-06 18:43:45,122 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:45,122 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:43:45,122 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422060357] [2021-01-06 18:43:45,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:43:45,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:45,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:43:45,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:43:45,123 INFO L87 Difference]: Start difference. First operand 9853 states and 17753 transitions. Second operand 9 states. [2021-01-06 18:43:46,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:46,989 INFO L93 Difference]: Finished difference Result 20079 states and 36119 transitions. [2021-01-06 18:43:46,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:43:46,989 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 106 [2021-01-06 18:43:46,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:47,050 INFO L225 Difference]: With dead ends: 20079 [2021-01-06 18:43:47,050 INFO L226 Difference]: Without dead ends: 19948 [2021-01-06 18:43:47,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=132, Unknown=0, NotChecked=0, Total=210 [2021-01-06 18:43:47,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19948 states. [2021-01-06 18:43:48,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19948 to 19511. [2021-01-06 18:43:48,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19511 states. [2021-01-06 18:43:48,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19511 states to 19511 states and 35179 transitions. [2021-01-06 18:43:48,266 INFO L78 Accepts]: Start accepts. Automaton has 19511 states and 35179 transitions. Word has length 106 [2021-01-06 18:43:48,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:48,267 INFO L481 AbstractCegarLoop]: Abstraction has 19511 states and 35179 transitions. [2021-01-06 18:43:48,267 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:43:48,267 INFO L276 IsEmpty]: Start isEmpty. Operand 19511 states and 35179 transitions. [2021-01-06 18:43:48,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:43:48,310 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:48,310 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:48,310 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:43:48,311 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:48,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:48,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1768244786, now seen corresponding path program 1 times [2021-01-06 18:43:48,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:48,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894787173] [2021-01-06 18:43:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:48,395 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 18:43:48,395 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894787173] [2021-01-06 18:43:48,395 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:48,395 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:43:48,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915995369] [2021-01-06 18:43:48,396 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:43:48,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:48,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:43:48,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:43:48,397 INFO L87 Difference]: Start difference. First operand 19511 states and 35179 transitions. Second operand 4 states. [2021-01-06 18:43:49,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:49,185 INFO L93 Difference]: Finished difference Result 19667 states and 35440 transitions. [2021-01-06 18:43:49,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:43:49,186 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2021-01-06 18:43:49,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:49,247 INFO L225 Difference]: With dead ends: 19667 [2021-01-06 18:43:49,247 INFO L226 Difference]: Without dead ends: 19510 [2021-01-06 18:43:49,255 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 18:43:49,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19510 states. [2021-01-06 18:43:50,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19510 to 19510. [2021-01-06 18:43:50,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19510 states. [2021-01-06 18:43:50,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19510 states to 19510 states and 35175 transitions. [2021-01-06 18:43:50,593 INFO L78 Accepts]: Start accepts. Automaton has 19510 states and 35175 transitions. Word has length 107 [2021-01-06 18:43:50,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:50,593 INFO L481 AbstractCegarLoop]: Abstraction has 19510 states and 35175 transitions. [2021-01-06 18:43:50,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:43:50,594 INFO L276 IsEmpty]: Start isEmpty. Operand 19510 states and 35175 transitions. [2021-01-06 18:43:50,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 18:43:50,657 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:50,658 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:50,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:43:50,658 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:50,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:50,660 INFO L82 PathProgramCache]: Analyzing trace with hash 295400173, now seen corresponding path program 1 times [2021-01-06 18:43:50,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:50,661 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582739487] [2021-01-06 18:43:50,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:50,804 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 18:43:50,804 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582739487] [2021-01-06 18:43:50,804 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:50,804 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:43:50,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225969147] [2021-01-06 18:43:50,805 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:43:50,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:50,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:43:50,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:43:50,806 INFO L87 Difference]: Start difference. First operand 19510 states and 35175 transitions. Second operand 9 states. [2021-01-06 18:43:53,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:53,421 INFO L93 Difference]: Finished difference Result 39779 states and 71576 transitions. [2021-01-06 18:43:53,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-01-06 18:43:53,421 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2021-01-06 18:43:53,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:53,535 INFO L225 Difference]: With dead ends: 39779 [2021-01-06 18:43:53,535 INFO L226 Difference]: Without dead ends: 39547 [2021-01-06 18:43:53,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2021-01-06 18:43:53,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39547 states. [2021-01-06 18:43:55,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39547 to 38745. [2021-01-06 18:43:55,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38745 states. [2021-01-06 18:43:55,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38745 states to 38745 states and 69883 transitions. [2021-01-06 18:43:55,249 INFO L78 Accepts]: Start accepts. Automaton has 38745 states and 69883 transitions. Word has length 108 [2021-01-06 18:43:55,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:55,250 INFO L481 AbstractCegarLoop]: Abstraction has 38745 states and 69883 transitions. [2021-01-06 18:43:55,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:43:55,250 INFO L276 IsEmpty]: Start isEmpty. Operand 38745 states and 69883 transitions. [2021-01-06 18:43:55,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 18:43:55,305 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:55,306 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:55,306 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:43:55,306 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:55,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:55,307 INFO L82 PathProgramCache]: Analyzing trace with hash -772486099, now seen corresponding path program 1 times [2021-01-06 18:43:55,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:55,307 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874840542] [2021-01-06 18:43:55,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:55,433 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 18:43:55,434 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874840542] [2021-01-06 18:43:55,434 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:55,434 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:43:55,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330611761] [2021-01-06 18:43:55,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:43:55,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:55,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:43:55,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:43:55,436 INFO L87 Difference]: Start difference. First operand 38745 states and 69883 transitions. Second operand 9 states. [2021-01-06 18:43:57,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:57,590 INFO L93 Difference]: Finished difference Result 40218 states and 72330 transitions. [2021-01-06 18:43:57,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:43:57,590 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2021-01-06 18:43:57,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:57,670 INFO L225 Difference]: With dead ends: 40218 [2021-01-06 18:43:57,670 INFO L226 Difference]: Without dead ends: 39887 [2021-01-06 18:43:57,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-01-06 18:43:57,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39887 states. [2021-01-06 18:43:59,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39887 to 38753. [2021-01-06 18:43:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38753 states. [2021-01-06 18:43:59,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38753 states to 38753 states and 69891 transitions. [2021-01-06 18:43:59,323 INFO L78 Accepts]: Start accepts. Automaton has 38753 states and 69891 transitions. Word has length 108 [2021-01-06 18:43:59,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:59,324 INFO L481 AbstractCegarLoop]: Abstraction has 38753 states and 69891 transitions. [2021-01-06 18:43:59,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:43:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 38753 states and 69891 transitions. [2021-01-06 18:43:59,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:43:59,375 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:59,375 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:59,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:43:59,375 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:59,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:59,376 INFO L82 PathProgramCache]: Analyzing trace with hash 1306188986, now seen corresponding path program 1 times [2021-01-06 18:43:59,376 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:59,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463081224] [2021-01-06 18:43:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:59,469 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 18:43:59,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463081224] [2021-01-06 18:43:59,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:59,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:43:59,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611758383] [2021-01-06 18:43:59,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:59,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:59,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:59,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:59,472 INFO L87 Difference]: Start difference. First operand 38753 states and 69891 transitions. Second operand 5 states. [2021-01-06 18:44:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:01,205 INFO L93 Difference]: Finished difference Result 40587 states and 72885 transitions. [2021-01-06 18:44:01,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:44:01,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 109 [2021-01-06 18:44:01,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:01,274 INFO L225 Difference]: With dead ends: 40587 [2021-01-06 18:44:01,274 INFO L226 Difference]: Without dead ends: 40352 [2021-01-06 18:44:01,285 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 18:44:01,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40352 states. [2021-01-06 18:44:03,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40352 to 38925. [2021-01-06 18:44:03,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38925 states. [2021-01-06 18:44:03,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38925 states to 38925 states and 70167 transitions. [2021-01-06 18:44:03,083 INFO L78 Accepts]: Start accepts. Automaton has 38925 states and 70167 transitions. Word has length 109 [2021-01-06 18:44:03,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:03,083 INFO L481 AbstractCegarLoop]: Abstraction has 38925 states and 70167 transitions. [2021-01-06 18:44:03,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:44:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 38925 states and 70167 transitions. [2021-01-06 18:44:03,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:44:03,145 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:03,145 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:03,146 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:44:03,146 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:03,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:03,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1134415415, now seen corresponding path program 1 times [2021-01-06 18:44:03,147 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:03,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930487858] [2021-01-06 18:44:03,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:03,257 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:44:03,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930487858] [2021-01-06 18:44:03,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960446782] [2021-01-06 18:44:03,258 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:44:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:03,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 1202 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:44:03,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:44:03,941 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:44:03,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:44:03,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2021-01-06 18:44:03,946 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502104854] [2021-01-06 18:44:03,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:44:03,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:03,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:44:03,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:44:03,947 INFO L87 Difference]: Start difference. First operand 38925 states and 70167 transitions. Second operand 9 states. [2021-01-06 18:44:06,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:06,496 INFO L93 Difference]: Finished difference Result 46330 states and 82792 transitions. [2021-01-06 18:44:06,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-06 18:44:06,497 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 110 [2021-01-06 18:44:06,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:06,558 INFO L225 Difference]: With dead ends: 46330 [2021-01-06 18:44:06,558 INFO L226 Difference]: Without dead ends: 45584 [2021-01-06 18:44:06,567 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=178, Invalid=634, Unknown=0, NotChecked=0, Total=812 [2021-01-06 18:44:06,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45584 states. [2021-01-06 18:44:08,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45584 to 42514. [2021-01-06 18:44:08,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42514 states. [2021-01-06 18:44:08,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42514 states to 42514 states and 76549 transitions. [2021-01-06 18:44:08,426 INFO L78 Accepts]: Start accepts. Automaton has 42514 states and 76549 transitions. Word has length 110 [2021-01-06 18:44:08,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:08,426 INFO L481 AbstractCegarLoop]: Abstraction has 42514 states and 76549 transitions. [2021-01-06 18:44:08,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:44:08,426 INFO L276 IsEmpty]: Start isEmpty. Operand 42514 states and 76549 transitions. [2021-01-06 18:44:08,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:44:08,635 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:08,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:08,848 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2021-01-06 18:44:08,849 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:08,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:08,850 INFO L82 PathProgramCache]: Analyzing trace with hash -720184898, now seen corresponding path program 1 times [2021-01-06 18:44:08,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:08,850 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679761221] [2021-01-06 18:44:08,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:08,920 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 18:44:08,920 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679761221] [2021-01-06 18:44:08,920 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:08,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:08,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343499926] [2021-01-06 18:44:08,921 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:08,921 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:08,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:08,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:08,922 INFO L87 Difference]: Start difference. First operand 42514 states and 76549 transitions. Second operand 3 states. [2021-01-06 18:44:11,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:11,949 INFO L93 Difference]: Finished difference Result 120575 states and 217565 transitions. [2021-01-06 18:44:11,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:11,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 110 [2021-01-06 18:44:11,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:12,215 INFO L225 Difference]: With dead ends: 120575 [2021-01-06 18:44:12,216 INFO L226 Difference]: Without dead ends: 80133 [2021-01-06 18:44:12,295 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 18:44:12,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80133 states. [2021-01-06 18:44:15,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80133 to 79379. [2021-01-06 18:44:15,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79379 states. [2021-01-06 18:44:15,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79379 states to 79379 states and 143127 transitions. [2021-01-06 18:44:15,931 INFO L78 Accepts]: Start accepts. Automaton has 79379 states and 143127 transitions. Word has length 110 [2021-01-06 18:44:15,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:15,932 INFO L481 AbstractCegarLoop]: Abstraction has 79379 states and 143127 transitions. [2021-01-06 18:44:15,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:15,932 INFO L276 IsEmpty]: Start isEmpty. Operand 79379 states and 143127 transitions. [2021-01-06 18:44:16,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 18:44:16,018 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:16,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:16,019 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:44:16,019 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:16,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:16,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1927657432, now seen corresponding path program 1 times [2021-01-06 18:44:16,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:16,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485115029] [2021-01-06 18:44:16,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:16,097 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 18:44:16,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485115029] [2021-01-06 18:44:16,098 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:16,098 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:16,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269676108] [2021-01-06 18:44:16,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:16,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:16,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:16,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:16,100 INFO L87 Difference]: Start difference. First operand 79379 states and 143127 transitions. Second operand 3 states. [2021-01-06 18:44:22,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:22,112 INFO L93 Difference]: Finished difference Result 231268 states and 417174 transitions. [2021-01-06 18:44:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:22,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2021-01-06 18:44:22,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:22,567 INFO L225 Difference]: With dead ends: 231268 [2021-01-06 18:44:22,567 INFO L226 Difference]: Without dead ends: 154252 [2021-01-06 18:44:22,641 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 18:44:22,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154252 states. [2021-01-06 18:44:29,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154252 to 153498. [2021-01-06 18:44:29,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153498 states. [2021-01-06 18:44:29,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153498 states to 153498 states and 276399 transitions. [2021-01-06 18:44:29,602 INFO L78 Accepts]: Start accepts. Automaton has 153498 states and 276399 transitions. Word has length 111 [2021-01-06 18:44:29,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:29,603 INFO L481 AbstractCegarLoop]: Abstraction has 153498 states and 276399 transitions. [2021-01-06 18:44:29,603 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:29,603 INFO L276 IsEmpty]: Start isEmpty. Operand 153498 states and 276399 transitions. [2021-01-06 18:44:29,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 18:44:29,741 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:29,741 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:29,741 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:44:29,741 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:29,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:29,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1529555532, now seen corresponding path program 1 times [2021-01-06 18:44:29,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:29,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987184065] [2021-01-06 18:44:29,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:29,807 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 18:44:29,807 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987184065] [2021-01-06 18:44:29,807 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:29,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:29,808 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265764427] [2021-01-06 18:44:29,808 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:29,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:29,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:29,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:29,809 INFO L87 Difference]: Start difference. First operand 153498 states and 276399 transitions. Second operand 3 states. [2021-01-06 18:44:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:40,431 INFO L93 Difference]: Finished difference Result 421353 states and 757790 transitions. [2021-01-06 18:44:40,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:40,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 112 [2021-01-06 18:44:40,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:41,095 INFO L225 Difference]: With dead ends: 421353 [2021-01-06 18:44:41,095 INFO L226 Difference]: Without dead ends: 271134 [2021-01-06 18:44:41,567 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 18:44:41,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271134 states. [2021-01-06 18:44:52,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271134 to 270380. [2021-01-06 18:44:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270380 states. [2021-01-06 18:44:53,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270380 states to 270380 states and 484867 transitions. [2021-01-06 18:44:53,840 INFO L78 Accepts]: Start accepts. Automaton has 270380 states and 484867 transitions. Word has length 112 [2021-01-06 18:44:53,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:53,840 INFO L481 AbstractCegarLoop]: Abstraction has 270380 states and 484867 transitions. [2021-01-06 18:44:53,840 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:53,840 INFO L276 IsEmpty]: Start isEmpty. Operand 270380 states and 484867 transitions. [2021-01-06 18:44:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 18:44:54,016 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:54,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:54,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:44:54,017 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:54,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:54,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1327470134, now seen corresponding path program 1 times [2021-01-06 18:44:54,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:54,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231089657] [2021-01-06 18:44:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:54,098 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 18:44:54,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231089657] [2021-01-06 18:44:54,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:54,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:44:54,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511067970] [2021-01-06 18:44:54,099 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:44:54,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:54,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:44:54,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:54,100 INFO L87 Difference]: Start difference. First operand 270380 states and 484867 transitions. Second operand 3 states. [2021-01-06 18:45:14,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:14,680 INFO L93 Difference]: Finished difference Result 791949 states and 1420505 transitions. [2021-01-06 18:45:14,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:14,681 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2021-01-06 18:45:14,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:16,240 INFO L225 Difference]: With dead ends: 791949 [2021-01-06 18:45:16,240 INFO L226 Difference]: Without dead ends: 525481 [2021-01-06 18:45:17,202 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 18:45:17,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525481 states.