/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:02:57,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:02:57,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:02:57,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:02:57,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:02:57,345 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:02:57,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:02:57,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:02:57,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:02:57,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:02:57,353 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:02:57,355 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:02:57,355 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:02:57,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:02:57,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:02:57,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:02:57,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:02:57,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:02:57,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:02:57,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:02:57,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:02:57,374 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:02:57,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:02:57,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:02:57,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:02:57,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:02:57,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:02:57,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:02:57,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:02:57,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:02:57,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:02:57,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:02:57,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:02:57,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:02:57,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:02:57,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:02:57,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:02:57,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:02:57,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:02:57,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:02:57,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:02:57,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:02:57,443 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:02:57,443 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:02:57,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:02:57,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:02:57,445 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:02:57,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:02:57,446 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:02:57,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:02:57,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:02:57,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:02:57,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:02:57,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:02:57,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:02:57,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:02:57,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:02:57,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:02:57,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:02:57,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:02:57,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:02:57,449 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:02:57,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:02:57,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:02:57,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:02:57,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:02:57,450 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:02:57,450 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:02:57,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:02:57,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:02:57,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:02:57,866 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:02:57,867 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:02:57,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2020-12-23 09:02:57,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/dcc1f01c0/d5258891ce4944798ddc03d134c48c2f/FLAG04dee58ee [2020-12-23 09:02:58,954 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:02:58,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2020-12-23 09:02:58,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/dcc1f01c0/d5258891ce4944798ddc03d134c48c2f/FLAG04dee58ee [2020-12-23 09:02:59,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/dcc1f01c0/d5258891ce4944798ddc03d134c48c2f [2020-12-23 09:02:59,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:02:59,063 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:02:59,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:02:59,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:02:59,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:02:59,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:02:59" (1/1) ... [2020-12-23 09:02:59,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@155f9b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:02:59, skipping insertion in model container [2020-12-23 09:02:59,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:02:59" (1/1) ... [2020-12-23 09:02:59,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:02:59,189 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~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_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~13,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] 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~24,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] 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_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] 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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 09:02:59,984 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[53978,53991] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~41,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:03:00,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:03:00,042 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~sent_encrypted~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~1,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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~10,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~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_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~13,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] 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~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] 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~24,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] 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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] 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_tmp2~1,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] 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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_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~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] [2020-12-23 09:03:00,153 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[53978,53991] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] 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~41,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2020-12-23 09:03:00,190 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:03:00,298 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:03:00,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00 WrapperNode [2020-12-23 09:03:00,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:03:00,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:03:00,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:03:00,301 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:03:00,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... [2020-12-23 09:03:00,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... [2020-12-23 09:03:00,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:03:00,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:03:00,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:03:00,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:03:00,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... [2020-12-23 09:03:00,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... [2020-12-23 09:03:00,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... [2020-12-23 09:03:00,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... [2020-12-23 09:03:00,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... [2020-12-23 09:03:00,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... [2020-12-23 09:03:00,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... [2020-12-23 09:03:00,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:03:00,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:03:00,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:03:00,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:03:00,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:03:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-12-23 09:03:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:03:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:03:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:03:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:03:04,393 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:03:04,393 INFO L299 CfgBuilder]: Removed 673 assume(true) statements. [2020-12-23 09:03:04,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:03:04 BoogieIcfgContainer [2020-12-23 09:03:04,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:03:04,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:03:04,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:03:04,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:03:04,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:02:59" (1/3) ... [2020-12-23 09:03:04,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4636fedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:03:04, skipping insertion in model container [2020-12-23 09:03:04,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:03:00" (2/3) ... [2020-12-23 09:03:04,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4636fedf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:03:04, skipping insertion in model container [2020-12-23 09:03:04,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:03:04" (3/3) ... [2020-12-23 09:03:04,407 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2020-12-23 09:03:04,414 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:03:04,421 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-12-23 09:03:04,455 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-12-23 09:03:04,508 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:03:04,509 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:03:04,509 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:03:04,509 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:03:04,509 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:03:04,509 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:03:04,509 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:03:04,510 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:03:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states. [2020-12-23 09:03:04,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-23 09:03:04,600 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:04,601 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] [2020-12-23 09:03:04,602 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:04,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:04,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1808309319, now seen corresponding path program 1 times [2020-12-23 09:03:04,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:04,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490609271] [2020-12-23 09:03:04,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:05,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490609271] [2020-12-23 09:03:05,115 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:05,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:05,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466278607] [2020-12-23 09:03:05,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:05,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:05,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:05,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:05,140 INFO L87 Difference]: Start difference. First operand 1004 states. Second operand 3 states. [2020-12-23 09:03:05,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:05,429 INFO L93 Difference]: Finished difference Result 2977 states and 5126 transitions. [2020-12-23 09:03:05,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:05,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-23 09:03:05,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:05,488 INFO L225 Difference]: With dead ends: 2977 [2020-12-23 09:03:05,488 INFO L226 Difference]: Without dead ends: 1760 [2020-12-23 09:03:05,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:05,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2020-12-23 09:03:05,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 889. [2020-12-23 09:03:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-12-23 09:03:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1527 transitions. [2020-12-23 09:03:05,670 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1527 transitions. Word has length 53 [2020-12-23 09:03:05,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:05,671 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1527 transitions. [2020-12-23 09:03:05,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:05,671 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1527 transitions. [2020-12-23 09:03:05,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 09:03:05,684 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:05,685 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] [2020-12-23 09:03:05,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:03:05,686 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:05,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:05,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1267440087, now seen corresponding path program 1 times [2020-12-23 09:03:05,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:05,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569529958] [2020-12-23 09:03:05,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:05,923 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569529958] [2020-12-23 09:03:05,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:05,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:03:05,924 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184481877] [2020-12-23 09:03:05,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:05,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:05,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:05,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:05,928 INFO L87 Difference]: Start difference. First operand 889 states and 1527 transitions. Second operand 5 states. [2020-12-23 09:03:06,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:06,213 INFO L93 Difference]: Finished difference Result 2616 states and 4497 transitions. [2020-12-23 09:03:06,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:03:06,214 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2020-12-23 09:03:06,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:06,226 INFO L225 Difference]: With dead ends: 2616 [2020-12-23 09:03:06,227 INFO L226 Difference]: Without dead ends: 1746 [2020-12-23 09:03:06,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:03:06,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1746 states. [2020-12-23 09:03:06,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1746 to 889. [2020-12-23 09:03:06,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-12-23 09:03:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1526 transitions. [2020-12-23 09:03:06,296 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1526 transitions. Word has length 55 [2020-12-23 09:03:06,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:06,297 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1526 transitions. [2020-12-23 09:03:06,297 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:06,297 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1526 transitions. [2020-12-23 09:03:06,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-23 09:03:06,302 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:06,303 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:06,303 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:03:06,304 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:06,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:06,306 INFO L82 PathProgramCache]: Analyzing trace with hash 65411132, now seen corresponding path program 1 times [2020-12-23 09:03:06,307 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:06,308 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029470569] [2020-12-23 09:03:06,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:06,463 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029470569] [2020-12-23 09:03:06,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:06,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:06,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215291540] [2020-12-23 09:03:06,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:06,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:06,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:06,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:06,466 INFO L87 Difference]: Start difference. First operand 889 states and 1526 transitions. Second operand 3 states. [2020-12-23 09:03:06,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:06,541 INFO L93 Difference]: Finished difference Result 1760 states and 3026 transitions. [2020-12-23 09:03:06,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:06,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-12-23 09:03:06,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:06,549 INFO L225 Difference]: With dead ends: 1760 [2020-12-23 09:03:06,549 INFO L226 Difference]: Without dead ends: 894 [2020-12-23 09:03:06,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:06,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-12-23 09:03:06,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 889. [2020-12-23 09:03:06,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-12-23 09:03:06,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1525 transitions. [2020-12-23 09:03:06,599 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1525 transitions. Word has length 56 [2020-12-23 09:03:06,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:06,600 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1525 transitions. [2020-12-23 09:03:06,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:06,600 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1525 transitions. [2020-12-23 09:03:06,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-23 09:03:06,602 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:06,603 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] [2020-12-23 09:03:06,603 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:03:06,603 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:06,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:06,604 INFO L82 PathProgramCache]: Analyzing trace with hash -625182538, now seen corresponding path program 1 times [2020-12-23 09:03:06,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:06,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395866207] [2020-12-23 09:03:06,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:06,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395866207] [2020-12-23 09:03:06,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:06,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:06,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195063928] [2020-12-23 09:03:06,737 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:06,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:06,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:06,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:06,740 INFO L87 Difference]: Start difference. First operand 889 states and 1525 transitions. Second operand 3 states. [2020-12-23 09:03:06,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:06,848 INFO L93 Difference]: Finished difference Result 1770 states and 3039 transitions. [2020-12-23 09:03:06,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:06,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-23 09:03:06,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:06,854 INFO L225 Difference]: With dead ends: 1770 [2020-12-23 09:03:06,854 INFO L226 Difference]: Without dead ends: 889 [2020-12-23 09:03:06,857 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:06,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2020-12-23 09:03:06,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 889. [2020-12-23 09:03:06,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-12-23 09:03:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1523 transitions. [2020-12-23 09:03:06,899 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1523 transitions. Word has length 57 [2020-12-23 09:03:06,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:06,901 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1523 transitions. [2020-12-23 09:03:06,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:06,901 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1523 transitions. [2020-12-23 09:03:06,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-23 09:03:06,904 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:06,905 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] [2020-12-23 09:03:06,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:03:06,906 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:06,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:06,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1647116671, now seen corresponding path program 1 times [2020-12-23 09:03:06,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:06,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375886473] [2020-12-23 09:03:06,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:07,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375886473] [2020-12-23 09:03:07,037 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:07,037 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:03:07,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350495654] [2020-12-23 09:03:07,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:07,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:07,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:07,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:07,041 INFO L87 Difference]: Start difference. First operand 889 states and 1523 transitions. Second operand 5 states. [2020-12-23 09:03:07,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:07,288 INFO L93 Difference]: Finished difference Result 2606 states and 4477 transitions. [2020-12-23 09:03:07,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:03:07,291 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 58 [2020-12-23 09:03:07,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:07,302 INFO L225 Difference]: With dead ends: 2606 [2020-12-23 09:03:07,302 INFO L226 Difference]: Without dead ends: 1744 [2020-12-23 09:03:07,307 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:03:07,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2020-12-23 09:03:07,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 889. [2020-12-23 09:03:07,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-12-23 09:03:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1522 transitions. [2020-12-23 09:03:07,375 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1522 transitions. Word has length 58 [2020-12-23 09:03:07,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:07,375 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1522 transitions. [2020-12-23 09:03:07,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:07,375 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1522 transitions. [2020-12-23 09:03:07,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-23 09:03:07,377 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:07,377 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] [2020-12-23 09:03:07,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:03:07,378 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:07,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:07,379 INFO L82 PathProgramCache]: Analyzing trace with hash 454972030, now seen corresponding path program 1 times [2020-12-23 09:03:07,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:07,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475686443] [2020-12-23 09:03:07,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:07,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475686443] [2020-12-23 09:03:07,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:07,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:03:07,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027929628] [2020-12-23 09:03:07,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:07,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:07,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:07,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:07,512 INFO L87 Difference]: Start difference. First operand 889 states and 1522 transitions. Second operand 5 states. [2020-12-23 09:03:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:07,793 INFO L93 Difference]: Finished difference Result 2611 states and 4482 transitions. [2020-12-23 09:03:07,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:03:07,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-12-23 09:03:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:07,804 INFO L225 Difference]: With dead ends: 2611 [2020-12-23 09:03:07,804 INFO L226 Difference]: Without dead ends: 1749 [2020-12-23 09:03:07,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:03:07,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2020-12-23 09:03:07,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 889. [2020-12-23 09:03:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-12-23 09:03:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1521 transitions. [2020-12-23 09:03:07,878 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1521 transitions. Word has length 59 [2020-12-23 09:03:07,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:07,878 INFO L481 AbstractCegarLoop]: Abstraction has 889 states and 1521 transitions. [2020-12-23 09:03:07,878 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:07,878 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1521 transitions. [2020-12-23 09:03:07,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-12-23 09:03:07,880 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:07,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:07,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:03:07,880 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:07,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:07,884 INFO L82 PathProgramCache]: Analyzing trace with hash 876761702, now seen corresponding path program 1 times [2020-12-23 09:03:07,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:07,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822879876] [2020-12-23 09:03:07,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:07,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822879876] [2020-12-23 09:03:07,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:07,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:07,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419607740] [2020-12-23 09:03:07,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:07,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:07,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:07,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:07,986 INFO L87 Difference]: Start difference. First operand 889 states and 1521 transitions. Second operand 3 states. [2020-12-23 09:03:08,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:08,070 INFO L93 Difference]: Finished difference Result 1497 states and 2536 transitions. [2020-12-23 09:03:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:08,071 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-12-23 09:03:08,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:08,076 INFO L225 Difference]: With dead ends: 1497 [2020-12-23 09:03:08,076 INFO L226 Difference]: Without dead ends: 892 [2020-12-23 09:03:08,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:08,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2020-12-23 09:03:08,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 891. [2020-12-23 09:03:08,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 891 states. [2020-12-23 09:03:08,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 891 states to 891 states and 1523 transitions. [2020-12-23 09:03:08,138 INFO L78 Accepts]: Start accepts. Automaton has 891 states and 1523 transitions. Word has length 60 [2020-12-23 09:03:08,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:08,141 INFO L481 AbstractCegarLoop]: Abstraction has 891 states and 1523 transitions. [2020-12-23 09:03:08,141 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:08,141 INFO L276 IsEmpty]: Start isEmpty. Operand 891 states and 1523 transitions. [2020-12-23 09:03:08,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-12-23 09:03:08,142 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:08,143 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] [2020-12-23 09:03:08,143 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:03:08,143 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:08,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:08,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1676407256, now seen corresponding path program 1 times [2020-12-23 09:03:08,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:08,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761624531] [2020-12-23 09:03:08,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:08,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:08,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761624531] [2020-12-23 09:03:08,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:08,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:08,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778858043] [2020-12-23 09:03:08,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:08,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:08,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:08,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:08,247 INFO L87 Difference]: Start difference. First operand 891 states and 1523 transitions. Second operand 3 states. [2020-12-23 09:03:08,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:08,371 INFO L93 Difference]: Finished difference Result 2559 states and 4393 transitions. [2020-12-23 09:03:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:08,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2020-12-23 09:03:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:08,382 INFO L225 Difference]: With dead ends: 2559 [2020-12-23 09:03:08,382 INFO L226 Difference]: Without dead ends: 1699 [2020-12-23 09:03:08,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:08,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1699 states. [2020-12-23 09:03:08,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1699 to 1094. [2020-12-23 09:03:08,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2020-12-23 09:03:08,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1898 transitions. [2020-12-23 09:03:08,470 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1898 transitions. Word has length 66 [2020-12-23 09:03:08,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:08,471 INFO L481 AbstractCegarLoop]: Abstraction has 1094 states and 1898 transitions. [2020-12-23 09:03:08,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:08,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1898 transitions. [2020-12-23 09:03:08,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-12-23 09:03:08,474 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:08,474 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] [2020-12-23 09:03:08,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:03:08,474 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:08,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:08,475 INFO L82 PathProgramCache]: Analyzing trace with hash -1313115671, now seen corresponding path program 1 times [2020-12-23 09:03:08,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:08,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912492057] [2020-12-23 09:03:08,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:08,574 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:08,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912492057] [2020-12-23 09:03:08,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [939370214] [2020-12-23 09:03:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-23 09:03:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:09,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 969 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-23 09:03:09,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:03:09,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:09,266 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:03:09,266 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-12-23 09:03:09,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383507559] [2020-12-23 09:03:09,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:09,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:09,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:09,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:09,270 INFO L87 Difference]: Start difference. First operand 1094 states and 1898 transitions. Second operand 5 states. [2020-12-23 09:03:09,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:09,456 INFO L93 Difference]: Finished difference Result 2563 states and 4396 transitions. [2020-12-23 09:03:09,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:03:09,457 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 67 [2020-12-23 09:03:09,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:09,468 INFO L225 Difference]: With dead ends: 2563 [2020-12-23 09:03:09,468 INFO L226 Difference]: Without dead ends: 1958 [2020-12-23 09:03:09,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1958 states. [2020-12-23 09:03:09,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1958 to 1351. [2020-12-23 09:03:09,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1351 states. [2020-12-23 09:03:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 2370 transitions. [2020-12-23 09:03:09,588 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 2370 transitions. Word has length 67 [2020-12-23 09:03:09,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:09,589 INFO L481 AbstractCegarLoop]: Abstraction has 1351 states and 2370 transitions. [2020-12-23 09:03:09,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 2370 transitions. [2020-12-23 09:03:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 09:03:09,592 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:09,592 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] [2020-12-23 09:03:09,806 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-12-23 09:03:09,807 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:09,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:09,808 INFO L82 PathProgramCache]: Analyzing trace with hash 1586570742, now seen corresponding path program 1 times [2020-12-23 09:03:09,808 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:09,809 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641005720] [2020-12-23 09:03:09,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:09,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641005720] [2020-12-23 09:03:09,876 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:09,876 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:09,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200663386] [2020-12-23 09:03:09,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:09,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:09,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:09,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:09,878 INFO L87 Difference]: Start difference. First operand 1351 states and 2370 transitions. Second operand 3 states. [2020-12-23 09:03:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:10,047 INFO L93 Difference]: Finished difference Result 3676 states and 6452 transitions. [2020-12-23 09:03:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:10,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2020-12-23 09:03:10,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:10,063 INFO L225 Difference]: With dead ends: 3676 [2020-12-23 09:03:10,064 INFO L226 Difference]: Without dead ends: 2414 [2020-12-23 09:03:10,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:10,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2020-12-23 09:03:10,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 1809. [2020-12-23 09:03:10,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1809 states. [2020-12-23 09:03:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 3212 transitions. [2020-12-23 09:03:10,204 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 3212 transitions. Word has length 73 [2020-12-23 09:03:10,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:10,204 INFO L481 AbstractCegarLoop]: Abstraction has 1809 states and 3212 transitions. [2020-12-23 09:03:10,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:10,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 3212 transitions. [2020-12-23 09:03:10,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:03:10,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:10,208 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] [2020-12-23 09:03:10,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:03:10,209 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:10,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:10,209 INFO L82 PathProgramCache]: Analyzing trace with hash 919300358, now seen corresponding path program 2 times [2020-12-23 09:03:10,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:10,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435342040] [2020-12-23 09:03:10,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:10,348 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:10,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435342040] [2020-12-23 09:03:10,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:10,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:10,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184168166] [2020-12-23 09:03:10,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:10,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:10,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:10,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:10,351 INFO L87 Difference]: Start difference. First operand 1809 states and 3212 transitions. Second operand 3 states. [2020-12-23 09:03:10,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:10,588 INFO L93 Difference]: Finished difference Result 3933 states and 6922 transitions. [2020-12-23 09:03:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:10,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 09:03:10,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:10,603 INFO L225 Difference]: With dead ends: 3933 [2020-12-23 09:03:10,604 INFO L226 Difference]: Without dead ends: 2414 [2020-12-23 09:03:10,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:10,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2020-12-23 09:03:10,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 1809. [2020-12-23 09:03:10,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1809 states. [2020-12-23 09:03:10,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1809 states and 3210 transitions. [2020-12-23 09:03:10,771 INFO L78 Accepts]: Start accepts. Automaton has 1809 states and 3210 transitions. Word has length 74 [2020-12-23 09:03:10,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:10,771 INFO L481 AbstractCegarLoop]: Abstraction has 1809 states and 3210 transitions. [2020-12-23 09:03:10,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:10,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 3210 transitions. [2020-12-23 09:03:10,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-23 09:03:10,776 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:10,776 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] [2020-12-23 09:03:10,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:03:10,777 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:10,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:10,778 INFO L82 PathProgramCache]: Analyzing trace with hash -241664377, now seen corresponding path program 1 times [2020-12-23 09:03:10,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:10,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494148248] [2020-12-23 09:03:10,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:10,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:10,871 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494148248] [2020-12-23 09:03:10,871 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:10,871 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:10,871 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165676310] [2020-12-23 09:03:10,872 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:10,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:10,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:10,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:10,873 INFO L87 Difference]: Start difference. First operand 1809 states and 3210 transitions. Second operand 3 states. [2020-12-23 09:03:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:11,146 INFO L93 Difference]: Finished difference Result 5022 states and 8927 transitions. [2020-12-23 09:03:11,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:11,147 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2020-12-23 09:03:11,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:11,166 INFO L225 Difference]: With dead ends: 5022 [2020-12-23 09:03:11,166 INFO L226 Difference]: Without dead ends: 3310 [2020-12-23 09:03:11,170 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:11,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3310 states. [2020-12-23 09:03:11,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3310 to 2705. [2020-12-23 09:03:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2705 states. [2020-12-23 09:03:11,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2705 states and 4857 transitions. [2020-12-23 09:03:11,360 INFO L78 Accepts]: Start accepts. Automaton has 2705 states and 4857 transitions. Word has length 74 [2020-12-23 09:03:11,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:11,361 INFO L481 AbstractCegarLoop]: Abstraction has 2705 states and 4857 transitions. [2020-12-23 09:03:11,361 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:11,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2705 states and 4857 transitions. [2020-12-23 09:03:11,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-12-23 09:03:11,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:11,367 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] [2020-12-23 09:03:11,367 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:03:11,368 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:11,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:11,368 INFO L82 PathProgramCache]: Analyzing trace with hash 959766900, now seen corresponding path program 1 times [2020-12-23 09:03:11,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:11,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789021476] [2020-12-23 09:03:11,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:11,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:11,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789021476] [2020-12-23 09:03:11,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:11,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:11,439 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289047404] [2020-12-23 09:03:11,439 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:11,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:11,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:11,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:11,440 INFO L87 Difference]: Start difference. First operand 2705 states and 4857 transitions. Second operand 3 states. [2020-12-23 09:03:11,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:11,753 INFO L93 Difference]: Finished difference Result 7446 states and 13387 transitions. [2020-12-23 09:03:11,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:11,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2020-12-23 09:03:11,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:11,792 INFO L225 Difference]: With dead ends: 7446 [2020-12-23 09:03:11,793 INFO L226 Difference]: Without dead ends: 4872 [2020-12-23 09:03:11,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:11,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2020-12-23 09:03:12,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4267. [2020-12-23 09:03:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4267 states. [2020-12-23 09:03:12,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4267 states to 4267 states and 7726 transitions. [2020-12-23 09:03:12,127 INFO L78 Accepts]: Start accepts. Automaton has 4267 states and 7726 transitions. Word has length 75 [2020-12-23 09:03:12,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:12,127 INFO L481 AbstractCegarLoop]: Abstraction has 4267 states and 7726 transitions. [2020-12-23 09:03:12,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:12,128 INFO L276 IsEmpty]: Start isEmpty. Operand 4267 states and 7726 transitions. [2020-12-23 09:03:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:03:12,136 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:12,136 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] [2020-12-23 09:03:12,137 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:03:12,137 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:12,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:12,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1565630186, now seen corresponding path program 1 times [2020-12-23 09:03:12,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:12,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997162766] [2020-12-23 09:03:12,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:12,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:12,215 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997162766] [2020-12-23 09:03:12,215 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:12,216 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:12,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830983001] [2020-12-23 09:03:12,217 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:12,217 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:12,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:12,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:12,218 INFO L87 Difference]: Start difference. First operand 4267 states and 7726 transitions. Second operand 3 states. [2020-12-23 09:03:12,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:12,684 INFO L93 Difference]: Finished difference Result 11848 states and 21477 transitions. [2020-12-23 09:03:12,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:12,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2020-12-23 09:03:12,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:12,723 INFO L225 Difference]: With dead ends: 11848 [2020-12-23 09:03:12,723 INFO L226 Difference]: Without dead ends: 7746 [2020-12-23 09:03:12,731 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:12,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7746 states. [2020-12-23 09:03:13,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7746 to 7141. [2020-12-23 09:03:13,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7141 states. [2020-12-23 09:03:13,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7141 states to 7141 states and 12999 transitions. [2020-12-23 09:03:13,164 INFO L78 Accepts]: Start accepts. Automaton has 7141 states and 12999 transitions. Word has length 76 [2020-12-23 09:03:13,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:13,164 INFO L481 AbstractCegarLoop]: Abstraction has 7141 states and 12999 transitions. [2020-12-23 09:03:13,164 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 7141 states and 12999 transitions. [2020-12-23 09:03:13,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:03:13,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:13,177 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] [2020-12-23 09:03:13,177 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:03:13,177 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:13,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:13,178 INFO L82 PathProgramCache]: Analyzing trace with hash 396233266, now seen corresponding path program 1 times [2020-12-23 09:03:13,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:13,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344868392] [2020-12-23 09:03:13,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:13,291 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-12-23 09:03:13,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344868392] [2020-12-23 09:03:13,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:13,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:03:13,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607388621] [2020-12-23 09:03:13,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:03:13,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:13,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:03:13,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:03:13,296 INFO L87 Difference]: Start difference. First operand 7141 states and 12999 transitions. Second operand 5 states. [2020-12-23 09:03:14,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:14,255 INFO L93 Difference]: Finished difference Result 20556 states and 37450 transitions. [2020-12-23 09:03:14,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:03:14,256 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2020-12-23 09:03:14,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:14,300 INFO L225 Difference]: With dead ends: 20556 [2020-12-23 09:03:14,301 INFO L226 Difference]: Without dead ends: 13705 [2020-12-23 09:03:14,320 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:03:14,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13705 states. [2020-12-23 09:03:15,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13705 to 7141. [2020-12-23 09:03:15,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7141 states. [2020-12-23 09:03:15,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7141 states to 7141 states and 12949 transitions. [2020-12-23 09:03:15,054 INFO L78 Accepts]: Start accepts. Automaton has 7141 states and 12949 transitions. Word has length 77 [2020-12-23 09:03:15,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:15,054 INFO L481 AbstractCegarLoop]: Abstraction has 7141 states and 12949 transitions. [2020-12-23 09:03:15,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:03:15,054 INFO L276 IsEmpty]: Start isEmpty. Operand 7141 states and 12949 transitions. [2020-12-23 09:03:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-23 09:03:15,069 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:15,069 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] [2020-12-23 09:03:15,069 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:03:15,070 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:15,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:15,070 INFO L82 PathProgramCache]: Analyzing trace with hash -94111261, now seen corresponding path program 1 times [2020-12-23 09:03:15,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:15,071 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160710096] [2020-12-23 09:03:15,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:15,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:15,160 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160710096] [2020-12-23 09:03:15,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:15,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:15,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357312877] [2020-12-23 09:03:15,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:15,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:15,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:15,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:15,163 INFO L87 Difference]: Start difference. First operand 7141 states and 12949 transitions. Second operand 3 states. [2020-12-23 09:03:15,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:15,983 INFO L93 Difference]: Finished difference Result 20796 states and 37760 transitions. [2020-12-23 09:03:15,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:15,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2020-12-23 09:03:15,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:16,032 INFO L225 Difference]: With dead ends: 20796 [2020-12-23 09:03:16,032 INFO L226 Difference]: Without dead ends: 13828 [2020-12-23 09:03:16,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:16,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13828 states. [2020-12-23 09:03:16,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13828 to 13223. [2020-12-23 09:03:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13223 states. [2020-12-23 09:03:16,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13223 states to 13223 states and 24054 transitions. [2020-12-23 09:03:16,750 INFO L78 Accepts]: Start accepts. Automaton has 13223 states and 24054 transitions. Word has length 77 [2020-12-23 09:03:16,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:16,750 INFO L481 AbstractCegarLoop]: Abstraction has 13223 states and 24054 transitions. [2020-12-23 09:03:16,750 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:16,750 INFO L276 IsEmpty]: Start isEmpty. Operand 13223 states and 24054 transitions. [2020-12-23 09:03:16,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-12-23 09:03:16,763 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:16,763 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] [2020-12-23 09:03:16,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-23 09:03:16,764 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:16,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:16,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1949874199, now seen corresponding path program 1 times [2020-12-23 09:03:16,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:16,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281944694] [2020-12-23 09:03:16,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:16,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:16,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281944694] [2020-12-23 09:03:16,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329812567] [2020-12-23 09:03:16,890 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 [2020-12-23 09:03:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:17,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 1004 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-23 09:03:17,461 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:03:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:17,600 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:03:17,600 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2020-12-23 09:03:17,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952310423] [2020-12-23 09:03:17,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-23 09:03:17,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:17,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-23 09:03:17,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-12-23 09:03:17,602 INFO L87 Difference]: Start difference. First operand 13223 states and 24054 transitions. Second operand 10 states. [2020-12-23 09:03:22,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:22,477 INFO L93 Difference]: Finished difference Result 28810 states and 50308 transitions. [2020-12-23 09:03:22,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-12-23 09:03:22,478 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2020-12-23 09:03:22,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:22,562 INFO L225 Difference]: With dead ends: 28810 [2020-12-23 09:03:22,562 INFO L226 Difference]: Without dead ends: 28093 [2020-12-23 09:03:22,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2020-12-23 09:03:22,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28093 states. [2020-12-23 09:03:23,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28093 to 15447. [2020-12-23 09:03:23,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15447 states. [2020-12-23 09:03:23,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15447 states to 15447 states and 27983 transitions. [2020-12-23 09:03:23,501 INFO L78 Accepts]: Start accepts. Automaton has 15447 states and 27983 transitions. Word has length 78 [2020-12-23 09:03:23,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:23,501 INFO L481 AbstractCegarLoop]: Abstraction has 15447 states and 27983 transitions. [2020-12-23 09:03:23,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-23 09:03:23,502 INFO L276 IsEmpty]: Start isEmpty. Operand 15447 states and 27983 transitions. [2020-12-23 09:03:23,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-23 09:03:23,519 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:23,519 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] [2020-12-23 09:03:23,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-23 09:03:23,734 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:23,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:23,736 INFO L82 PathProgramCache]: Analyzing trace with hash 716217857, now seen corresponding path program 1 times [2020-12-23 09:03:23,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:23,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874946098] [2020-12-23 09:03:23,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:23,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:23,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874946098] [2020-12-23 09:03:23,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:23,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:23,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570622667] [2020-12-23 09:03:23,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:23,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:23,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:23,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:23,910 INFO L87 Difference]: Start difference. First operand 15447 states and 27983 transitions. Second operand 3 states. [2020-12-23 09:03:25,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:25,644 INFO L93 Difference]: Finished difference Result 43383 states and 78764 transitions. [2020-12-23 09:03:25,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:25,645 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2020-12-23 09:03:25,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:25,711 INFO L225 Difference]: With dead ends: 43383 [2020-12-23 09:03:25,712 INFO L226 Difference]: Without dead ends: 28850 [2020-12-23 09:03:25,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:25,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28850 states. [2020-12-23 09:03:26,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28850 to 27711. [2020-12-23 09:03:26,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27711 states. [2020-12-23 09:03:27,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27711 states to 27711 states and 50396 transitions. [2020-12-23 09:03:27,026 INFO L78 Accepts]: Start accepts. Automaton has 27711 states and 50396 transitions. Word has length 79 [2020-12-23 09:03:27,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:27,026 INFO L481 AbstractCegarLoop]: Abstraction has 27711 states and 50396 transitions. [2020-12-23 09:03:27,026 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:27,026 INFO L276 IsEmpty]: Start isEmpty. Operand 27711 states and 50396 transitions. [2020-12-23 09:03:27,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-23 09:03:27,042 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:27,042 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] [2020-12-23 09:03:27,042 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-23 09:03:27,043 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:27,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:27,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1223330932, now seen corresponding path program 1 times [2020-12-23 09:03:27,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:27,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315956899] [2020-12-23 09:03:27,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:27,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315956899] [2020-12-23 09:03:27,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:27,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:27,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452020159] [2020-12-23 09:03:27,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:27,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:27,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:27,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:27,114 INFO L87 Difference]: Start difference. First operand 27711 states and 50396 transitions. Second operand 3 states. [2020-12-23 09:03:29,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:29,449 INFO L93 Difference]: Finished difference Result 74055 states and 134294 transitions. [2020-12-23 09:03:29,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:29,450 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2020-12-23 09:03:29,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:29,576 INFO L225 Difference]: With dead ends: 74055 [2020-12-23 09:03:29,576 INFO L226 Difference]: Without dead ends: 47765 [2020-12-23 09:03:29,625 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47765 states. [2020-12-23 09:03:31,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47765 to 46626. [2020-12-23 09:03:31,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46626 states. [2020-12-23 09:03:32,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46626 states to 46626 states and 84381 transitions. [2020-12-23 09:03:32,146 INFO L78 Accepts]: Start accepts. Automaton has 46626 states and 84381 transitions. Word has length 80 [2020-12-23 09:03:32,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:32,147 INFO L481 AbstractCegarLoop]: Abstraction has 46626 states and 84381 transitions. [2020-12-23 09:03:32,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:32,147 INFO L276 IsEmpty]: Start isEmpty. Operand 46626 states and 84381 transitions. [2020-12-23 09:03:32,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-23 09:03:32,161 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:32,161 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] [2020-12-23 09:03:32,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-23 09:03:32,161 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:32,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:32,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1514262739, now seen corresponding path program 1 times [2020-12-23 09:03:32,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:32,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808570186] [2020-12-23 09:03:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:32,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:32,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808570186] [2020-12-23 09:03:32,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:32,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:32,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831652535] [2020-12-23 09:03:32,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:32,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:32,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:32,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:32,239 INFO L87 Difference]: Start difference. First operand 46626 states and 84381 transitions. Second operand 3 states. [2020-12-23 09:03:35,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:35,373 INFO L93 Difference]: Finished difference Result 127841 states and 231266 transitions. [2020-12-23 09:03:35,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:35,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2020-12-23 09:03:35,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:35,806 INFO L225 Difference]: With dead ends: 127841 [2020-12-23 09:03:35,806 INFO L226 Difference]: Without dead ends: 83079 [2020-12-23 09:03:35,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:35,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83079 states. [2020-12-23 09:03:39,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83079 to 81940. [2020-12-23 09:03:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81940 states. [2020-12-23 09:03:40,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81940 states to 81940 states and 148025 transitions. [2020-12-23 09:03:40,237 INFO L78 Accepts]: Start accepts. Automaton has 81940 states and 148025 transitions. Word has length 81 [2020-12-23 09:03:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:40,238 INFO L481 AbstractCegarLoop]: Abstraction has 81940 states and 148025 transitions. [2020-12-23 09:03:40,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 81940 states and 148025 transitions. [2020-12-23 09:03:40,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-12-23 09:03:40,269 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:40,270 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] [2020-12-23 09:03:40,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-23 09:03:40,270 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:40,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:40,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1613936957, now seen corresponding path program 1 times [2020-12-23 09:03:40,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:40,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286703688] [2020-12-23 09:03:40,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:40,404 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286703688] [2020-12-23 09:03:40,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:40,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:40,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320680048] [2020-12-23 09:03:40,406 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:40,406 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:40,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:40,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:40,408 INFO L87 Difference]: Start difference. First operand 81940 states and 148025 transitions. Second operand 3 states. [2020-12-23 09:03:46,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:03:46,729 INFO L93 Difference]: Finished difference Result 238683 states and 431368 transitions. [2020-12-23 09:03:46,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:03:46,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 82 [2020-12-23 09:03:46,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:03:47,326 INFO L225 Difference]: With dead ends: 238683 [2020-12-23 09:03:47,326 INFO L226 Difference]: Without dead ends: 158869 [2020-12-23 09:03:47,414 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:47,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158869 states. [2020-12-23 09:03:54,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158869 to 157730. [2020-12-23 09:03:54,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157730 states. [2020-12-23 09:03:55,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157730 states to 157730 states and 284677 transitions. [2020-12-23 09:03:55,094 INFO L78 Accepts]: Start accepts. Automaton has 157730 states and 284677 transitions. Word has length 82 [2020-12-23 09:03:55,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:03:55,097 INFO L481 AbstractCegarLoop]: Abstraction has 157730 states and 284677 transitions. [2020-12-23 09:03:55,097 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:03:55,097 INFO L276 IsEmpty]: Start isEmpty. Operand 157730 states and 284677 transitions. [2020-12-23 09:03:55,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-12-23 09:03:55,123 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:03:55,124 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:03:55,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-23 09:03:55,124 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:03:55,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:03:55,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1472368190, now seen corresponding path program 1 times [2020-12-23 09:03:55,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:03:55,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820030208] [2020-12-23 09:03:55,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:03:55,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:03:55,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:03:55,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820030208] [2020-12-23 09:03:55,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:03:55,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:03:55,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030405356] [2020-12-23 09:03:55,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:03:55,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:03:55,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:03:55,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:03:55,213 INFO L87 Difference]: Start difference. First operand 157730 states and 284677 transitions. Second operand 3 states. [2020-12-23 09:04:04,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:04:04,593 INFO L93 Difference]: Finished difference Result 282100 states and 508012 transitions. [2020-12-23 09:04:04,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:04:04,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2020-12-23 09:04:04,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:04:05,319 INFO L225 Difference]: With dead ends: 282100 [2020-12-23 09:04:05,319 INFO L226 Difference]: Without dead ends: 280961 [2020-12-23 09:04:05,407 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:04:05,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280961 states. [2020-12-23 09:04:17,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280961 to 279822. [2020-12-23 09:04:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279822 states. [2020-12-23 09:04:18,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279822 states to 279822 states and 503190 transitions. [2020-12-23 09:04:18,509 INFO L78 Accepts]: Start accepts. Automaton has 279822 states and 503190 transitions. Word has length 83 [2020-12-23 09:04:18,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:04:18,509 INFO L481 AbstractCegarLoop]: Abstraction has 279822 states and 503190 transitions. [2020-12-23 09:04:18,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:04:18,509 INFO L276 IsEmpty]: Start isEmpty. Operand 279822 states and 503190 transitions. [2020-12-23 09:04:18,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-23 09:04:18,533 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:04:18,534 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] [2020-12-23 09:04:18,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-23 09:04:18,534 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:04:18,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:04:18,536 INFO L82 PathProgramCache]: Analyzing trace with hash 862718635, now seen corresponding path program 1 times [2020-12-23 09:04:18,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:04:18,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142290303] [2020-12-23 09:04:18,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:04:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:04:18,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:04:18,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142290303] [2020-12-23 09:04:18,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:04:18,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-23 09:04:18,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629434856] [2020-12-23 09:04:18,696 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-23 09:04:18,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:04:18,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-23 09:04:18,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:04:18,700 INFO L87 Difference]: Start difference. First operand 279822 states and 503190 transitions. Second operand 8 states. [2020-12-23 09:04:28,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:04:28,687 INFO L93 Difference]: Finished difference Result 281542 states and 506039 transitions. [2020-12-23 09:04:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-23 09:04:28,688 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-12-23 09:04:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:04:29,557 INFO L225 Difference]: With dead ends: 281542 [2020-12-23 09:04:29,557 INFO L226 Difference]: Without dead ends: 280510 [2020-12-23 09:04:29,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2020-12-23 09:04:29,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280510 states. [2020-12-23 09:04:41,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280510 to 279747. [2020-12-23 09:04:41,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279747 states. [2020-12-23 09:04:42,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279747 states to 279747 states and 503064 transitions. [2020-12-23 09:04:42,795 INFO L78 Accepts]: Start accepts. Automaton has 279747 states and 503064 transitions. Word has length 84 [2020-12-23 09:04:42,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:04:42,795 INFO L481 AbstractCegarLoop]: Abstraction has 279747 states and 503064 transitions. [2020-12-23 09:04:42,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-23 09:04:42,795 INFO L276 IsEmpty]: Start isEmpty. Operand 279747 states and 503064 transitions. [2020-12-23 09:04:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-12-23 09:04:42,818 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:04:42,819 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:04:42,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-23 09:04:42,819 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:04:42,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:04:42,820 INFO L82 PathProgramCache]: Analyzing trace with hash 804637369, now seen corresponding path program 1 times [2020-12-23 09:04:42,820 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:04:42,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693500208] [2020-12-23 09:04:42,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:04:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:04:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:04:42,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693500208] [2020-12-23 09:04:42,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:04:42,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:04:42,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501949276] [2020-12-23 09:04:42,934 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:04:42,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:04:42,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:04:42,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:04:42,935 INFO L87 Difference]: Start difference. First operand 279747 states and 503064 transitions. Second operand 5 states. [2020-12-23 09:05:04,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:05:04,493 INFO L93 Difference]: Finished difference Result 561976 states and 1009907 transitions. [2020-12-23 09:05:04,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:05:04,494 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 86 [2020-12-23 09:05:04,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:05:06,376 INFO L225 Difference]: With dead ends: 561976 [2020-12-23 09:05:06,376 INFO L226 Difference]: Without dead ends: 560973 [2020-12-23 09:05:06,587 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:05:07,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560973 states. [2020-12-23 09:05:31,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560973 to 557789. [2020-12-23 09:05:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557789 states. [2020-12-23 09:05:34,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557789 states to 557789 states and 1003087 transitions. [2020-12-23 09:05:34,935 INFO L78 Accepts]: Start accepts. Automaton has 557789 states and 1003087 transitions. Word has length 86 [2020-12-23 09:05:34,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:05:34,935 INFO L481 AbstractCegarLoop]: Abstraction has 557789 states and 1003087 transitions. [2020-12-23 09:05:34,935 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:05:34,936 INFO L276 IsEmpty]: Start isEmpty. Operand 557789 states and 1003087 transitions. [2020-12-23 09:05:34,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-12-23 09:05:34,986 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:05:34,986 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:05:34,986 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-23 09:05:34,986 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:05:35,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:05:35,002 INFO L82 PathProgramCache]: Analyzing trace with hash 463386011, now seen corresponding path program 1 times [2020-12-23 09:05:35,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:05:35,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72432308] [2020-12-23 09:05:35,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:05:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:05:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:05:35,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72432308] [2020-12-23 09:05:35,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:05:35,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:05:35,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54495513] [2020-12-23 09:05:35,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:05:35,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:05:35,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:05:35,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:05:35,104 INFO L87 Difference]: Start difference. First operand 557789 states and 1003087 transitions. Second operand 7 states. [2020-12-23 09:05:53,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:05:53,952 INFO L93 Difference]: Finished difference Result 560253 states and 1007120 transitions. [2020-12-23 09:05:53,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:05:53,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2020-12-23 09:05:53,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:05:55,716 INFO L225 Difference]: With dead ends: 560253 [2020-12-23 09:05:55,717 INFO L226 Difference]: Without dead ends: 558323 [2020-12-23 09:05:55,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2020-12-23 09:05:56,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558323 states.