/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_spec3_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:49:18,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:49:18,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:49:18,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:49:18,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:49:18,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:49:18,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:49:18,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:49:18,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:49:18,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:49:18,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:49:18,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:49:18,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:49:18,864 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:49:18,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:49:18,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:49:18,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:49:18,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:49:18,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:49:18,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:49:18,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:49:18,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:49:18,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:49:18,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:49:18,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:49:18,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:49:18,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:49:18,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:49:18,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:49:18,912 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:49:18,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:49:18,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:49:18,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:49:18,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:49:18,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:49:18,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:49:18,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:49:18,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:49:18,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:49:18,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:49:18,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:49:18,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:49:18,977 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:49:18,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:49:18,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:49:18,984 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:49:18,984 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:49:18,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:49:18,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:49:18,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:49:18,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:49:18,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:49:18,986 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:49:18,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:49:18,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:49:18,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:49:18,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:49:18,988 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:49:18,988 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:49:18,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:49:18,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:49:18,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:49:18,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:49:18,989 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:49:18,989 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:49:18,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:49:18,990 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:49:18,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:49:19,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:49:19,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:49:19,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:49:19,494 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:49:19,495 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:49:19,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_product19.cil.c [2021-01-06 18:49:19,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3a63969d6/aa0bac95a159422f9287a7704f8fd145/FLAG9bc9dbb3f [2021-01-06 18:49:20,433 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:49:20,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_product19.cil.c [2021-01-06 18:49:20,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3a63969d6/aa0bac95a159422f9287a7704f8fd145/FLAG9bc9dbb3f [2021-01-06 18:49:20,665 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/3a63969d6/aa0bac95a159422f9287a7704f8fd145 [2021-01-06 18:49:20,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:49:20,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:49:20,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:49:20,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:49:20,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:49:20,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:49:20" (1/1) ... [2021-01-06 18:49:20,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf1a097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:20, skipping insertion in model container [2021-01-06 18:49:20,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:49:20" (1/1) ... [2021-01-06 18:49:20,694 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:49:20,760 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[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~privkey~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~6,] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] [2021-01-06 18:49:21,053 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_spec3_product19.cil.c[8012,8025] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] 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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] 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[~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_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] 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~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[~__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~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[~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[~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[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~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_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] 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~19,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__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_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] 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~41,] 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_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] 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~42,] [2021-01-06 18:49:21,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:49:21,449 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[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~privkey~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~6,] 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] [2021-01-06 18:49:21,512 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_spec3_product19.cil.c[8012,8025] left hand side expression in assignment: lhs: VariableLHS[~sent_signed~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] 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___4~1,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] 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[~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_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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_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~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_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~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] 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~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[~__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~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[~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[~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[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] 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~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_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~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] 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_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] 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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_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~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_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~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_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~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_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~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_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] 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~19,] 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~40,] 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~40,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] 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[~__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_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] 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~41,] 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_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~6,] 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~42,] [2021-01-06 18:49:21,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:49:21,727 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:49:21,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21 WrapperNode [2021-01-06 18:49:21,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:49:21,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:49:21,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:49:21,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:49:21,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... [2021-01-06 18:49:21,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... [2021-01-06 18:49:21,944 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:49:21,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:49:21,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:49:21,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:49:21,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... [2021-01-06 18:49:21,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... [2021-01-06 18:49:21,986 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... [2021-01-06 18:49:21,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... [2021-01-06 18:49:22,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... [2021-01-06 18:49:22,081 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... [2021-01-06 18:49:22,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... [2021-01-06 18:49:22,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:49:22,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:49:22,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:49:22,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:49:22,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:49:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:49:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:49:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:49:22,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:49:22,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:49:24,759 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:49:24,760 INFO L299 CfgBuilder]: Removed 319 assume(true) statements. [2021-01-06 18:49:24,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:49:24 BoogieIcfgContainer [2021-01-06 18:49:24,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:49:24,767 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:49:24,768 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:49:24,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:49:24,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:49:20" (1/3) ... [2021-01-06 18:49:24,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c28a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:49:24, skipping insertion in model container [2021-01-06 18:49:24,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:49:21" (2/3) ... [2021-01-06 18:49:24,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11c28a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:49:24, skipping insertion in model container [2021-01-06 18:49:24,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:49:24" (3/3) ... [2021-01-06 18:49:24,777 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec3_product19.cil.c [2021-01-06 18:49:24,785 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:49:24,791 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2021-01-06 18:49:24,810 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-01-06 18:49:24,859 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:49:24,860 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:49:24,860 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:49:24,860 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:49:24,860 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:49:24,860 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:49:24,860 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:49:24,860 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:49:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states. [2021-01-06 18:49:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 18:49:24,904 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:24,905 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] [2021-01-06 18:49:24,906 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:24,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:24,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1907201492, now seen corresponding path program 1 times [2021-01-06 18:49:24,924 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:24,924 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30277383] [2021-01-06 18:49:24,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:25,385 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30277383] [2021-01-06 18:49:25,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:25,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:25,388 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009729581] [2021-01-06 18:49:25,395 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:25,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:25,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:25,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:25,421 INFO L87 Difference]: Start difference. First operand 487 states. Second operand 3 states. [2021-01-06 18:49:25,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:25,674 INFO L93 Difference]: Finished difference Result 1426 states and 2468 transitions. [2021-01-06 18:49:25,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:25,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2021-01-06 18:49:25,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:25,720 INFO L225 Difference]: With dead ends: 1426 [2021-01-06 18:49:25,720 INFO L226 Difference]: Without dead ends: 820 [2021-01-06 18:49:25,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:25,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2021-01-06 18:49:25,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 419. [2021-01-06 18:49:25,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2021-01-06 18:49:25,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 721 transitions. [2021-01-06 18:49:25,828 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 721 transitions. Word has length 46 [2021-01-06 18:49:25,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:25,828 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 721 transitions. [2021-01-06 18:49:25,828 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:25,828 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 721 transitions. [2021-01-06 18:49:25,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:49:25,838 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:25,839 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:25,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:49:25,840 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:25,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:25,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1303272127, now seen corresponding path program 1 times [2021-01-06 18:49:25,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:25,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611000212] [2021-01-06 18:49:25,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:26,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611000212] [2021-01-06 18:49:26,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:26,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:49:26,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633161577] [2021-01-06 18:49:26,019 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:26,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:26,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:26,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:26,021 INFO L87 Difference]: Start difference. First operand 419 states and 721 transitions. Second operand 5 states. [2021-01-06 18:49:26,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:26,256 INFO L93 Difference]: Finished difference Result 1206 states and 2079 transitions. [2021-01-06 18:49:26,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:49:26,257 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2021-01-06 18:49:26,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:26,264 INFO L225 Difference]: With dead ends: 1206 [2021-01-06 18:49:26,264 INFO L226 Difference]: Without dead ends: 806 [2021-01-06 18:49:26,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:49:26,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2021-01-06 18:49:26,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 419. [2021-01-06 18:49:26,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2021-01-06 18:49:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 720 transitions. [2021-01-06 18:49:26,311 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 720 transitions. Word has length 48 [2021-01-06 18:49:26,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:26,312 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 720 transitions. [2021-01-06 18:49:26,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:26,313 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 720 transitions. [2021-01-06 18:49:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:49:26,316 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:26,316 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:26,317 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:49:26,318 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:26,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:26,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1202026484, now seen corresponding path program 1 times [2021-01-06 18:49:26,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:26,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270211440] [2021-01-06 18:49:26,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:26,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:26,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270211440] [2021-01-06 18:49:26,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:26,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:26,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491512724] [2021-01-06 18:49:26,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:26,487 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:26,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:26,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:26,488 INFO L87 Difference]: Start difference. First operand 419 states and 720 transitions. Second operand 3 states. [2021-01-06 18:49:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:26,531 INFO L93 Difference]: Finished difference Result 820 states and 1414 transitions. [2021-01-06 18:49:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:26,531 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 49 [2021-01-06 18:49:26,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:26,534 INFO L225 Difference]: With dead ends: 820 [2021-01-06 18:49:26,535 INFO L226 Difference]: Without dead ends: 424 [2021-01-06 18:49:26,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:26,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2021-01-06 18:49:26,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 419. [2021-01-06 18:49:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2021-01-06 18:49:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 719 transitions. [2021-01-06 18:49:26,558 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 719 transitions. Word has length 49 [2021-01-06 18:49:26,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:26,558 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 719 transitions. [2021-01-06 18:49:26,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:26,559 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 719 transitions. [2021-01-06 18:49:26,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:49:26,560 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:26,561 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:26,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:49:26,561 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:26,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:26,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1367974702, now seen corresponding path program 1 times [2021-01-06 18:49:26,562 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:26,562 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305381781] [2021-01-06 18:49:26,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:26,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305381781] [2021-01-06 18:49:26,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:26,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:26,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059591858] [2021-01-06 18:49:26,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:26,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:26,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:26,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:26,664 INFO L87 Difference]: Start difference. First operand 419 states and 719 transitions. Second operand 3 states. [2021-01-06 18:49:26,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:26,764 INFO L93 Difference]: Finished difference Result 830 states and 1427 transitions. [2021-01-06 18:49:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:26,765 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 50 [2021-01-06 18:49:26,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:26,768 INFO L225 Difference]: With dead ends: 830 [2021-01-06 18:49:26,768 INFO L226 Difference]: Without dead ends: 419 [2021-01-06 18:49:26,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:26,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2021-01-06 18:49:26,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2021-01-06 18:49:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2021-01-06 18:49:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 717 transitions. [2021-01-06 18:49:26,793 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 717 transitions. Word has length 50 [2021-01-06 18:49:26,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:26,794 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 717 transitions. [2021-01-06 18:49:26,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:26,794 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 717 transitions. [2021-01-06 18:49:26,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:49:26,795 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:26,795 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:26,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:49:26,796 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:26,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:26,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1384909465, now seen corresponding path program 1 times [2021-01-06 18:49:26,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:26,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943227704] [2021-01-06 18:49:26,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:26,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:26,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943227704] [2021-01-06 18:49:26,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:26,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:49:26,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416650194] [2021-01-06 18:49:26,936 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:26,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:26,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:26,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:26,939 INFO L87 Difference]: Start difference. First operand 419 states and 717 transitions. Second operand 5 states. [2021-01-06 18:49:27,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:27,119 INFO L93 Difference]: Finished difference Result 1196 states and 2059 transitions. [2021-01-06 18:49:27,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:49:27,119 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2021-01-06 18:49:27,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:27,127 INFO L225 Difference]: With dead ends: 1196 [2021-01-06 18:49:27,127 INFO L226 Difference]: Without dead ends: 804 [2021-01-06 18:49:27,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:49:27,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2021-01-06 18:49:27,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 419. [2021-01-06 18:49:27,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2021-01-06 18:49:27,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 716 transitions. [2021-01-06 18:49:27,161 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 716 transitions. Word has length 51 [2021-01-06 18:49:27,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:27,161 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 716 transitions. [2021-01-06 18:49:27,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 716 transitions. [2021-01-06 18:49:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-01-06 18:49:27,164 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:27,165 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:27,165 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:49:27,165 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:27,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:27,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1298035722, now seen corresponding path program 1 times [2021-01-06 18:49:27,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:27,167 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764804631] [2021-01-06 18:49:27,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:27,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:27,304 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764804631] [2021-01-06 18:49:27,304 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:27,304 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:49:27,304 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670137364] [2021-01-06 18:49:27,305 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:27,305 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:27,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:27,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:27,306 INFO L87 Difference]: Start difference. First operand 419 states and 716 transitions. Second operand 5 states. [2021-01-06 18:49:27,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:27,542 INFO L93 Difference]: Finished difference Result 1201 states and 2064 transitions. [2021-01-06 18:49:27,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:49:27,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2021-01-06 18:49:27,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:27,548 INFO L225 Difference]: With dead ends: 1201 [2021-01-06 18:49:27,548 INFO L226 Difference]: Without dead ends: 809 [2021-01-06 18:49:27,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:49:27,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2021-01-06 18:49:27,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 419. [2021-01-06 18:49:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2021-01-06 18:49:27,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 715 transitions. [2021-01-06 18:49:27,587 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 715 transitions. Word has length 52 [2021-01-06 18:49:27,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:27,587 INFO L481 AbstractCegarLoop]: Abstraction has 419 states and 715 transitions. [2021-01-06 18:49:27,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:27,587 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 715 transitions. [2021-01-06 18:49:27,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-01-06 18:49:27,589 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:27,589 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] [2021-01-06 18:49:27,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:49:27,589 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:27,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:27,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1404373282, now seen corresponding path program 1 times [2021-01-06 18:49:27,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:27,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067515165] [2021-01-06 18:49:27,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:27,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067515165] [2021-01-06 18:49:27,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:27,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:27,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553704064] [2021-01-06 18:49:27,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:27,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:27,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:27,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:27,737 INFO L87 Difference]: Start difference. First operand 419 states and 715 transitions. Second operand 3 states. [2021-01-06 18:49:27,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:27,776 INFO L93 Difference]: Finished difference Result 600 states and 1006 transitions. [2021-01-06 18:49:27,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:27,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2021-01-06 18:49:27,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:27,780 INFO L225 Difference]: With dead ends: 600 [2021-01-06 18:49:27,780 INFO L226 Difference]: Without dead ends: 422 [2021-01-06 18:49:27,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:27,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2021-01-06 18:49:27,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 421. [2021-01-06 18:49:27,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 18:49:27,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 717 transitions. [2021-01-06 18:49:27,816 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 717 transitions. Word has length 53 [2021-01-06 18:49:27,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:27,818 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 717 transitions. [2021-01-06 18:49:27,818 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:27,818 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 717 transitions. [2021-01-06 18:49:27,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:49:27,820 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:27,820 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:27,820 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:49:27,821 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:27,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:27,821 INFO L82 PathProgramCache]: Analyzing trace with hash -98163808, now seen corresponding path program 1 times [2021-01-06 18:49:27,822 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:27,822 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332368706] [2021-01-06 18:49:27,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:27,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:27,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332368706] [2021-01-06 18:49:27,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:27,925 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:27,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779537247] [2021-01-06 18:49:27,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:27,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:27,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:27,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:27,928 INFO L87 Difference]: Start difference. First operand 421 states and 717 transitions. Second operand 3 states. [2021-01-06 18:49:27,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:27,991 INFO L93 Difference]: Finished difference Result 1149 states and 1975 transitions. [2021-01-06 18:49:27,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:27,991 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-06 18:49:27,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:27,996 INFO L225 Difference]: With dead ends: 1149 [2021-01-06 18:49:27,997 INFO L226 Difference]: Without dead ends: 759 [2021-01-06 18:49:27,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:28,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2021-01-06 18:49:28,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 581. [2021-01-06 18:49:28,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2021-01-06 18:49:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 1010 transitions. [2021-01-06 18:49:28,045 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 1010 transitions. Word has length 59 [2021-01-06 18:49:28,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:28,046 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 1010 transitions. [2021-01-06 18:49:28,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 1010 transitions. [2021-01-06 18:49:28,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:49:28,047 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:28,048 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:28,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:49:28,048 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:28,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:28,049 INFO L82 PathProgramCache]: Analyzing trace with hash 2006517503, now seen corresponding path program 1 times [2021-01-06 18:49:28,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:28,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760200402] [2021-01-06 18:49:28,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:28,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:28,163 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760200402] [2021-01-06 18:49:28,164 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408823387] [2021-01-06 18:49:28,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:49:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:28,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:49:28,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:49:28,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:28,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:49:28,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:49:28,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304653275] [2021-01-06 18:49:28,655 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:28,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:28,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:28,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:28,657 INFO L87 Difference]: Start difference. First operand 581 states and 1010 transitions. Second operand 5 states. [2021-01-06 18:49:28,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:28,742 INFO L93 Difference]: Finished difference Result 1153 states and 1978 transitions. [2021-01-06 18:49:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:49:28,743 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-01-06 18:49:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:28,749 INFO L225 Difference]: With dead ends: 1153 [2021-01-06 18:49:28,750 INFO L226 Difference]: Without dead ends: 975 [2021-01-06 18:49:28,751 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:28,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2021-01-06 18:49:28,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 795. [2021-01-06 18:49:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2021-01-06 18:49:28,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1400 transitions. [2021-01-06 18:49:28,810 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1400 transitions. Word has length 60 [2021-01-06 18:49:28,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:28,810 INFO L481 AbstractCegarLoop]: Abstraction has 795 states and 1400 transitions. [2021-01-06 18:49:28,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:28,810 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1400 transitions. [2021-01-06 18:49:28,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-01-06 18:49:28,812 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:28,813 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:29,028 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-01-06 18:49:29,029 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:29,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:29,030 INFO L82 PathProgramCache]: Analyzing trace with hash -22614574, now seen corresponding path program 1 times [2021-01-06 18:49:29,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:29,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339097962] [2021-01-06 18:49:29,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:29,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339097962] [2021-01-06 18:49:29,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:29,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:29,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122007799] [2021-01-06 18:49:29,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:29,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:29,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:29,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:29,141 INFO L87 Difference]: Start difference. First operand 795 states and 1400 transitions. Second operand 3 states. [2021-01-06 18:49:29,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:29,280 INFO L93 Difference]: Finished difference Result 2051 states and 3624 transitions. [2021-01-06 18:49:29,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:29,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 66 [2021-01-06 18:49:29,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:29,288 INFO L225 Difference]: With dead ends: 2051 [2021-01-06 18:49:29,289 INFO L226 Difference]: Without dead ends: 1345 [2021-01-06 18:49:29,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:29,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2021-01-06 18:49:29,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1167. [2021-01-06 18:49:29,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2021-01-06 18:49:29,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 2078 transitions. [2021-01-06 18:49:29,372 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 2078 transitions. Word has length 66 [2021-01-06 18:49:29,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:29,372 INFO L481 AbstractCegarLoop]: Abstraction has 1167 states and 2078 transitions. [2021-01-06 18:49:29,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:29,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2078 transitions. [2021-01-06 18:49:29,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:49:29,375 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:29,376 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] [2021-01-06 18:49:29,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:49:29,376 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:29,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:29,377 INFO L82 PathProgramCache]: Analyzing trace with hash -183359870, now seen corresponding path program 2 times [2021-01-06 18:49:29,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:29,377 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462296130] [2021-01-06 18:49:29,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:29,470 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:29,470 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462296130] [2021-01-06 18:49:29,471 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:29,471 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:29,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704072870] [2021-01-06 18:49:29,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:29,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:29,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:29,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:29,473 INFO L87 Difference]: Start difference. First operand 1167 states and 2078 transitions. Second operand 3 states. [2021-01-06 18:49:29,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:29,577 INFO L93 Difference]: Finished difference Result 2265 states and 4012 transitions. [2021-01-06 18:49:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:29,577 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-01-06 18:49:29,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:29,588 INFO L225 Difference]: With dead ends: 2265 [2021-01-06 18:49:29,588 INFO L226 Difference]: Without dead ends: 1345 [2021-01-06 18:49:29,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:29,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2021-01-06 18:49:29,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1167. [2021-01-06 18:49:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2021-01-06 18:49:29,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 2076 transitions. [2021-01-06 18:49:29,678 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 2076 transitions. Word has length 67 [2021-01-06 18:49:29,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:29,679 INFO L481 AbstractCegarLoop]: Abstraction has 1167 states and 2076 transitions. [2021-01-06 18:49:29,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:29,679 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 2076 transitions. [2021-01-06 18:49:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-01-06 18:49:29,688 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:29,689 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:29,689 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 18:49:29,689 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:29,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:29,690 INFO L82 PathProgramCache]: Analyzing trace with hash 998811233, now seen corresponding path program 1 times [2021-01-06 18:49:29,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:29,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252827708] [2021-01-06 18:49:29,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:29,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252827708] [2021-01-06 18:49:29,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:29,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:29,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635910912] [2021-01-06 18:49:29,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:29,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:29,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:29,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:29,772 INFO L87 Difference]: Start difference. First operand 1167 states and 2076 transitions. Second operand 3 states. [2021-01-06 18:49:29,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:29,924 INFO L93 Difference]: Finished difference Result 3139 states and 5607 transitions. [2021-01-06 18:49:29,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:29,924 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2021-01-06 18:49:29,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:29,936 INFO L225 Difference]: With dead ends: 3139 [2021-01-06 18:49:29,937 INFO L226 Difference]: Without dead ends: 2069 [2021-01-06 18:49:29,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:29,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2069 states. [2021-01-06 18:49:30,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2069 to 1891. [2021-01-06 18:49:30,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1891 states. [2021-01-06 18:49:30,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1891 states to 1891 states and 3395 transitions. [2021-01-06 18:49:30,072 INFO L78 Accepts]: Start accepts. Automaton has 1891 states and 3395 transitions. Word has length 67 [2021-01-06 18:49:30,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:30,073 INFO L481 AbstractCegarLoop]: Abstraction has 1891 states and 3395 transitions. [2021-01-06 18:49:30,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:30,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 3395 transitions. [2021-01-06 18:49:30,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-01-06 18:49:30,077 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:30,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:30,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:49:30,078 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:30,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:30,078 INFO L82 PathProgramCache]: Analyzing trace with hash -766770156, now seen corresponding path program 1 times [2021-01-06 18:49:30,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:30,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174109008] [2021-01-06 18:49:30,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:30,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:30,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174109008] [2021-01-06 18:49:30,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:30,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:30,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924256992] [2021-01-06 18:49:30,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:30,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:30,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:30,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:30,184 INFO L87 Difference]: Start difference. First operand 1891 states and 3395 transitions. Second operand 3 states. [2021-01-06 18:49:30,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:30,406 INFO L93 Difference]: Finished difference Result 5047 states and 9083 transitions. [2021-01-06 18:49:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:30,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2021-01-06 18:49:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:30,426 INFO L225 Difference]: With dead ends: 5047 [2021-01-06 18:49:30,426 INFO L226 Difference]: Without dead ends: 3287 [2021-01-06 18:49:30,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:30,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2021-01-06 18:49:30,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 3109. [2021-01-06 18:49:30,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3109 states. [2021-01-06 18:49:30,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 5608 transitions. [2021-01-06 18:49:30,625 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 5608 transitions. Word has length 68 [2021-01-06 18:49:30,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:30,625 INFO L481 AbstractCegarLoop]: Abstraction has 3109 states and 5608 transitions. [2021-01-06 18:49:30,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:30,626 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 5608 transitions. [2021-01-06 18:49:30,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:49:30,631 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:30,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:30,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:49:30,631 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:30,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:30,632 INFO L82 PathProgramCache]: Analyzing trace with hash 534247090, now seen corresponding path program 1 times [2021-01-06 18:49:30,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:30,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183459743] [2021-01-06 18:49:30,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:30,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:30,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183459743] [2021-01-06 18:49:30,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:30,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:30,700 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590135599] [2021-01-06 18:49:30,701 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:30,701 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:30,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:30,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:30,702 INFO L87 Difference]: Start difference. First operand 3109 states and 5608 transitions. Second operand 3 states. [2021-01-06 18:49:31,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:31,063 INFO L93 Difference]: Finished difference Result 8417 states and 15205 transitions. [2021-01-06 18:49:31,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:31,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:49:31,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:31,095 INFO L225 Difference]: With dead ends: 8417 [2021-01-06 18:49:31,096 INFO L226 Difference]: Without dead ends: 5473 [2021-01-06 18:49:31,103 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:31,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2021-01-06 18:49:31,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5295. [2021-01-06 18:49:31,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5295 states. [2021-01-06 18:49:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 9569 transitions. [2021-01-06 18:49:31,440 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 9569 transitions. Word has length 69 [2021-01-06 18:49:31,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:31,440 INFO L481 AbstractCegarLoop]: Abstraction has 5295 states and 9569 transitions. [2021-01-06 18:49:31,440 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 9569 transitions. [2021-01-06 18:49:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:49:31,450 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:31,450 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:31,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:49:31,450 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:31,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:31,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1833484586, now seen corresponding path program 1 times [2021-01-06 18:49:31,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:31,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781946786] [2021-01-06 18:49:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:49:31,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781946786] [2021-01-06 18:49:31,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:31,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:49:31,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573347188] [2021-01-06 18:49:31,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:49:31,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:31,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:49:31,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:49:31,595 INFO L87 Difference]: Start difference. First operand 5295 states and 9569 transitions. Second operand 5 states. [2021-01-06 18:49:32,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:32,408 INFO L93 Difference]: Finished difference Result 15104 states and 27324 transitions. [2021-01-06 18:49:32,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:49:32,409 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2021-01-06 18:49:32,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:32,469 INFO L225 Difference]: With dead ends: 15104 [2021-01-06 18:49:32,469 INFO L226 Difference]: Without dead ends: 10056 [2021-01-06 18:49:32,480 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:49:32,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10056 states. [2021-01-06 18:49:32,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10056 to 5295. [2021-01-06 18:49:32,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5295 states. [2021-01-06 18:49:32,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 5295 states and 9519 transitions. [2021-01-06 18:49:32,938 INFO L78 Accepts]: Start accepts. Automaton has 5295 states and 9519 transitions. Word has length 70 [2021-01-06 18:49:32,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:32,939 INFO L481 AbstractCegarLoop]: Abstraction has 5295 states and 9519 transitions. [2021-01-06 18:49:32,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:49:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 5295 states and 9519 transitions. [2021-01-06 18:49:32,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:49:32,945 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:32,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:32,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:49:32,946 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:32,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:32,947 INFO L82 PathProgramCache]: Analyzing trace with hash 371260037, now seen corresponding path program 1 times [2021-01-06 18:49:32,947 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:32,947 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809458241] [2021-01-06 18:49:32,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:33,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809458241] [2021-01-06 18:49:33,030 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:33,030 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:33,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286404831] [2021-01-06 18:49:33,031 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:33,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:33,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:33,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:33,032 INFO L87 Difference]: Start difference. First operand 5295 states and 9519 transitions. Second operand 3 states. [2021-01-06 18:49:33,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:33,604 INFO L93 Difference]: Finished difference Result 15301 states and 27552 transitions. [2021-01-06 18:49:33,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:33,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2021-01-06 18:49:33,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:33,636 INFO L225 Difference]: With dead ends: 15301 [2021-01-06 18:49:33,636 INFO L226 Difference]: Without dead ends: 10179 [2021-01-06 18:49:33,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:33,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10179 states. [2021-01-06 18:49:34,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10179 to 10001. [2021-01-06 18:49:34,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10001 states. [2021-01-06 18:49:34,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10001 states to 10001 states and 18000 transitions. [2021-01-06 18:49:34,383 INFO L78 Accepts]: Start accepts. Automaton has 10001 states and 18000 transitions. Word has length 70 [2021-01-06 18:49:34,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:34,384 INFO L481 AbstractCegarLoop]: Abstraction has 10001 states and 18000 transitions. [2021-01-06 18:49:34,384 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:34,384 INFO L276 IsEmpty]: Start isEmpty. Operand 10001 states and 18000 transitions. [2021-01-06 18:49:34,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:49:34,392 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:34,392 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:34,393 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:49:34,393 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:34,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:34,393 INFO L82 PathProgramCache]: Analyzing trace with hash 293484689, now seen corresponding path program 1 times [2021-01-06 18:49:34,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:34,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334193636] [2021-01-06 18:49:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:34,528 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:34,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334193636] [2021-01-06 18:49:34,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630369865] [2021-01-06 18:49:34,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:49:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:34,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 952 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:49:34,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:49:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:34,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:49:34,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-01-06 18:49:34,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109383511] [2021-01-06 18:49:34,955 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:49:34,956 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:34,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:49:34,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:49:34,957 INFO L87 Difference]: Start difference. First operand 10001 states and 18000 transitions. Second operand 10 states. [2021-01-06 18:49:37,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:37,049 INFO L93 Difference]: Finished difference Result 14895 states and 26122 transitions. [2021-01-06 18:49:37,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-01-06 18:49:37,049 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 71 [2021-01-06 18:49:37,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:37,094 INFO L225 Difference]: With dead ends: 14895 [2021-01-06 18:49:37,095 INFO L226 Difference]: Without dead ends: 14661 [2021-01-06 18:49:37,101 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=302, Invalid=1030, Unknown=0, NotChecked=0, Total=1332 [2021-01-06 18:49:37,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14661 states. [2021-01-06 18:49:37,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14661 to 11529. [2021-01-06 18:49:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11529 states. [2021-01-06 18:49:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11529 states to 11529 states and 20698 transitions. [2021-01-06 18:49:38,009 INFO L78 Accepts]: Start accepts. Automaton has 11529 states and 20698 transitions. Word has length 71 [2021-01-06 18:49:38,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:38,010 INFO L481 AbstractCegarLoop]: Abstraction has 11529 states and 20698 transitions. [2021-01-06 18:49:38,010 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:49:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 11529 states and 20698 transitions. [2021-01-06 18:49:38,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-01-06 18:49:38,023 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:38,023 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:38,237 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-06 18:49:38,238 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:38,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1752101535, now seen corresponding path program 1 times [2021-01-06 18:49:38,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:38,240 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200193603] [2021-01-06 18:49:38,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:38,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:38,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200193603] [2021-01-06 18:49:38,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:38,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:38,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555487482] [2021-01-06 18:49:38,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:38,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:38,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:38,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:38,341 INFO L87 Difference]: Start difference. First operand 11529 states and 20698 transitions. Second operand 3 states. [2021-01-06 18:49:39,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:39,648 INFO L93 Difference]: Finished difference Result 31930 states and 57483 transitions. [2021-01-06 18:49:39,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:39,649 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2021-01-06 18:49:39,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:39,729 INFO L225 Difference]: With dead ends: 31930 [2021-01-06 18:49:39,729 INFO L226 Difference]: Without dead ends: 21315 [2021-01-06 18:49:39,755 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:39,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21315 states. [2021-01-06 18:49:40,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21315 to 20998. [2021-01-06 18:49:40,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20998 states. [2021-01-06 18:49:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20998 states to 20998 states and 37781 transitions. [2021-01-06 18:49:41,143 INFO L78 Accepts]: Start accepts. Automaton has 20998 states and 37781 transitions. Word has length 72 [2021-01-06 18:49:41,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:41,143 INFO L481 AbstractCegarLoop]: Abstraction has 20998 states and 37781 transitions. [2021-01-06 18:49:41,143 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 20998 states and 37781 transitions. [2021-01-06 18:49:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2021-01-06 18:49:41,160 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:41,160 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:41,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:49:41,161 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:41,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:41,161 INFO L82 PathProgramCache]: Analyzing trace with hash -703190450, now seen corresponding path program 1 times [2021-01-06 18:49:41,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:41,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497397639] [2021-01-06 18:49:41,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:41,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497397639] [2021-01-06 18:49:41,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:41,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:41,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800238016] [2021-01-06 18:49:41,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:41,239 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:41,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:41,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:41,240 INFO L87 Difference]: Start difference. First operand 20998 states and 37781 transitions. Second operand 3 states. [2021-01-06 18:49:43,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:43,056 INFO L93 Difference]: Finished difference Result 60151 states and 108339 transitions. [2021-01-06 18:49:43,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:43,056 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 73 [2021-01-06 18:49:43,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:43,192 INFO L225 Difference]: With dead ends: 60151 [2021-01-06 18:49:43,192 INFO L226 Difference]: Without dead ends: 40230 [2021-01-06 18:49:43,220 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:43,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40230 states. [2021-01-06 18:49:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40230 to 39913. [2021-01-06 18:49:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39913 states. [2021-01-06 18:49:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39913 states to 39913 states and 71766 transitions. [2021-01-06 18:49:45,337 INFO L78 Accepts]: Start accepts. Automaton has 39913 states and 71766 transitions. Word has length 73 [2021-01-06 18:49:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:45,337 INFO L481 AbstractCegarLoop]: Abstraction has 39913 states and 71766 transitions. [2021-01-06 18:49:45,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 39913 states and 71766 transitions. [2021-01-06 18:49:45,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-01-06 18:49:45,364 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:45,365 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:45,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:49:45,365 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:45,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:45,366 INFO L82 PathProgramCache]: Analyzing trace with hash -268205361, now seen corresponding path program 1 times [2021-01-06 18:49:45,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:45,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156315640] [2021-01-06 18:49:45,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:45,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:45,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156315640] [2021-01-06 18:49:45,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:45,449 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:45,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896417663] [2021-01-06 18:49:45,450 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:45,450 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:45,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:45,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:45,451 INFO L87 Difference]: Start difference. First operand 39913 states and 71766 transitions. Second operand 3 states. [2021-01-06 18:49:47,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:47,964 INFO L93 Difference]: Finished difference Result 108390 states and 194733 transitions. [2021-01-06 18:49:47,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:47,965 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 74 [2021-01-06 18:49:47,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:48,135 INFO L225 Difference]: With dead ends: 108390 [2021-01-06 18:49:48,135 INFO L226 Difference]: Without dead ends: 69997 [2021-01-06 18:49:48,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:48,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69997 states. [2021-01-06 18:49:52,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69997 to 69680. [2021-01-06 18:49:52,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69680 states. [2021-01-06 18:49:52,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69680 states to 69680 states and 124832 transitions. [2021-01-06 18:49:52,500 INFO L78 Accepts]: Start accepts. Automaton has 69680 states and 124832 transitions. Word has length 74 [2021-01-06 18:49:52,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:49:52,500 INFO L481 AbstractCegarLoop]: Abstraction has 69680 states and 124832 transitions. [2021-01-06 18:49:52,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:49:52,501 INFO L276 IsEmpty]: Start isEmpty. Operand 69680 states and 124832 transitions. [2021-01-06 18:49:52,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:49:52,515 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:49:52,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:49:52,516 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:49:52,516 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:49:52,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:49:52,516 INFO L82 PathProgramCache]: Analyzing trace with hash 2098626764, now seen corresponding path program 1 times [2021-01-06 18:49:52,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:49:52,517 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310298278] [2021-01-06 18:49:52,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:49:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:49:52,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:49:52,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310298278] [2021-01-06 18:49:52,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:49:52,581 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:49:52,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678378876] [2021-01-06 18:49:52,582 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:49:52,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:49:52,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:49:52,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:52,583 INFO L87 Difference]: Start difference. First operand 69680 states and 124832 transitions. Second operand 3 states. [2021-01-06 18:49:57,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:49:57,539 INFO L93 Difference]: Finished difference Result 202677 states and 363265 transitions. [2021-01-06 18:49:57,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:49:57,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:49:57,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:49:57,981 INFO L225 Difference]: With dead ends: 202677 [2021-01-06 18:49:57,982 INFO L226 Difference]: Without dead ends: 134736 [2021-01-06 18:49:58,330 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:49:58,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134736 states. [2021-01-06 18:50:04,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134736 to 134419. [2021-01-06 18:50:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134419 states. [2021-01-06 18:50:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134419 states to 134419 states and 240410 transitions. [2021-01-06 18:50:04,643 INFO L78 Accepts]: Start accepts. Automaton has 134419 states and 240410 transitions. Word has length 75 [2021-01-06 18:50:04,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:50:04,643 INFO L481 AbstractCegarLoop]: Abstraction has 134419 states and 240410 transitions. [2021-01-06 18:50:04,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:50:04,643 INFO L276 IsEmpty]: Start isEmpty. Operand 134419 states and 240410 transitions. [2021-01-06 18:50:04,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:50:04,658 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:50:04,658 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:50:04,658 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:50:04,659 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:50:04,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:50:04,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2020547168, now seen corresponding path program 1 times [2021-01-06 18:50:04,659 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:50:04,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745859503] [2021-01-06 18:50:04,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:50:04,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:50:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:50:04,721 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745859503] [2021-01-06 18:50:04,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:50:04,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:50:04,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838445605] [2021-01-06 18:50:04,722 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:50:04,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:50:04,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:50:04,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:50:04,723 INFO L87 Difference]: Start difference. First operand 134419 states and 240410 transitions. Second operand 3 states. [2021-01-06 18:50:12,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:50:12,890 INFO L93 Difference]: Finished difference Result 235086 states and 418917 transitions. [2021-01-06 18:50:12,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:50:12,891 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:50:12,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:50:13,415 INFO L225 Difference]: With dead ends: 235086 [2021-01-06 18:50:13,415 INFO L226 Difference]: Without dead ends: 234769 [2021-01-06 18:50:13,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:50:13,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234769 states. [2021-01-06 18:50:24,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234769 to 234452. [2021-01-06 18:50:24,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234452 states. [2021-01-06 18:50:24,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234452 states to 234452 states and 416857 transitions. [2021-01-06 18:50:24,734 INFO L78 Accepts]: Start accepts. Automaton has 234452 states and 416857 transitions. Word has length 76 [2021-01-06 18:50:24,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:50:24,734 INFO L481 AbstractCegarLoop]: Abstraction has 234452 states and 416857 transitions. [2021-01-06 18:50:24,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:50:24,734 INFO L276 IsEmpty]: Start isEmpty. Operand 234452 states and 416857 transitions. [2021-01-06 18:50:24,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:50:24,757 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:50:24,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:50:24,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:50:24,758 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:50:24,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:50:24,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1633548738, now seen corresponding path program 1 times [2021-01-06 18:50:24,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:50:24,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123178056] [2021-01-06 18:50:24,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:50:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:50:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:50:24,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123178056] [2021-01-06 18:50:24,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:50:24,850 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:50:24,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746442671] [2021-01-06 18:50:24,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:50:24,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:50:24,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:50:24,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:50:24,851 INFO L87 Difference]: Start difference. First operand 234452 states and 416857 transitions. Second operand 7 states. [2021-01-06 18:50:33,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:50:33,548 INFO L93 Difference]: Finished difference Result 234884 states and 417548 transitions. [2021-01-06 18:50:33,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-01-06 18:50:33,548 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2021-01-06 18:50:33,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:50:34,103 INFO L225 Difference]: With dead ends: 234884 [2021-01-06 18:50:34,103 INFO L226 Difference]: Without dead ends: 234606 [2021-01-06 18:50:34,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2021-01-06 18:50:34,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234606 states. [2021-01-06 18:50:44,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234606 to 234417. [2021-01-06 18:50:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234417 states. [2021-01-06 18:50:45,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234417 states to 234417 states and 416796 transitions. [2021-01-06 18:50:45,293 INFO L78 Accepts]: Start accepts. Automaton has 234417 states and 416796 transitions. Word has length 77 [2021-01-06 18:50:45,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:50:45,294 INFO L481 AbstractCegarLoop]: Abstraction has 234417 states and 416796 transitions. [2021-01-06 18:50:45,294 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:50:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 234417 states and 416796 transitions. [2021-01-06 18:50:45,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:50:45,325 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:50:45,325 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] [2021-01-06 18:50:45,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:50:45,326 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:50:45,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:50:45,326 INFO L82 PathProgramCache]: Analyzing trace with hash 657729205, now seen corresponding path program 1 times [2021-01-06 18:50:45,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:50:45,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284300933] [2021-01-06 18:50:45,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:50:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:50:45,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:50:45,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284300933] [2021-01-06 18:50:45,456 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:50:45,456 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:50:45,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340840716] [2021-01-06 18:50:45,456 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:50:45,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:50:45,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:50:45,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:50:45,457 INFO L87 Difference]: Start difference. First operand 234417 states and 416796 transitions. Second operand 10 states. [2021-01-06 18:50:55,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:50:55,391 INFO L93 Difference]: Finished difference Result 236520 states and 420004 transitions. [2021-01-06 18:50:55,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-06 18:50:55,391 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2021-01-06 18:50:55,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:50:55,943 INFO L225 Difference]: With dead ends: 236520 [2021-01-06 18:50:55,943 INFO L226 Difference]: Without dead ends: 236386 [2021-01-06 18:50:56,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=337, Invalid=923, Unknown=0, NotChecked=0, Total=1260 [2021-01-06 18:50:56,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236386 states. [2021-01-06 18:51:06,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236386 to 234527. [2021-01-06 18:51:06,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234527 states. [2021-01-06 18:51:07,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234527 states to 234527 states and 416963 transitions. [2021-01-06 18:51:07,281 INFO L78 Accepts]: Start accepts. Automaton has 234527 states and 416963 transitions. Word has length 79 [2021-01-06 18:51:07,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:07,282 INFO L481 AbstractCegarLoop]: Abstraction has 234527 states and 416963 transitions. [2021-01-06 18:51:07,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:51:07,282 INFO L276 IsEmpty]: Start isEmpty. Operand 234527 states and 416963 transitions. [2021-01-06 18:51:07,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:51:07,298 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:07,298 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] [2021-01-06 18:51:07,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:51:07,298 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:07,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:07,299 INFO L82 PathProgramCache]: Analyzing trace with hash -719577959, now seen corresponding path program 1 times [2021-01-06 18:51:07,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:07,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283002930] [2021-01-06 18:51:07,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:07,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:07,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283002930] [2021-01-06 18:51:07,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:07,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:51:07,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67558052] [2021-01-06 18:51:07,856 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:51:07,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:07,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:51:07,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:51:07,857 INFO L87 Difference]: Start difference. First operand 234527 states and 416963 transitions. Second operand 9 states. [2021-01-06 18:51:17,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:17,851 INFO L93 Difference]: Finished difference Result 236844 states and 420515 transitions. [2021-01-06 18:51:17,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-01-06 18:51:17,851 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 80 [2021-01-06 18:51:17,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:51:18,534 INFO L225 Difference]: With dead ends: 236844 [2021-01-06 18:51:18,534 INFO L226 Difference]: Without dead ends: 236652 [2021-01-06 18:51:18,592 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=306, Invalid=750, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 18:51:18,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236652 states. [2021-01-06 18:51:29,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236652 to 234791. [2021-01-06 18:51:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234791 states. [2021-01-06 18:51:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234791 states to 234791 states and 417387 transitions. [2021-01-06 18:51:29,703 INFO L78 Accepts]: Start accepts. Automaton has 234791 states and 417387 transitions. Word has length 80 [2021-01-06 18:51:29,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:51:29,704 INFO L481 AbstractCegarLoop]: Abstraction has 234791 states and 417387 transitions. [2021-01-06 18:51:29,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:51:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 234791 states and 417387 transitions. [2021-01-06 18:51:29,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:51:29,716 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:51:29,716 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] [2021-01-06 18:51:29,716 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:51:29,716 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:51:29,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:51:29,717 INFO L82 PathProgramCache]: Analyzing trace with hash -731375195, now seen corresponding path program 1 times [2021-01-06 18:51:29,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:51:29,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071813952] [2021-01-06 18:51:29,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:51:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:51:30,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:51:30,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071813952] [2021-01-06 18:51:30,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:51:30,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:51:30,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922096860] [2021-01-06 18:51:30,256 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:51:30,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:51:30,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:51:30,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:51:30,258 INFO L87 Difference]: Start difference. First operand 234791 states and 417387 transitions. Second operand 10 states. [2021-01-06 18:51:58,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:51:58,022 INFO L93 Difference]: Finished difference Result 708425 states and 1258236 transitions. [2021-01-06 18:51:58,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-01-06 18:51:58,023 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 80 [2021-01-06 18:51:58,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:52:00,415 INFO L225 Difference]: With dead ends: 708425 [2021-01-06 18:52:00,415 INFO L226 Difference]: Without dead ends: 707948 [2021-01-06 18:52:00,649 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=337, Invalid=785, Unknown=0, NotChecked=0, Total=1122 [2021-01-06 18:52:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707948 states. [2021-01-06 18:52:29,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707948 to 470104. [2021-01-06 18:52:29,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470104 states. [2021-01-06 18:52:31,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470104 states to 470104 states and 835606 transitions. [2021-01-06 18:52:31,817 INFO L78 Accepts]: Start accepts. Automaton has 470104 states and 835606 transitions. Word has length 80 [2021-01-06 18:52:31,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:52:31,817 INFO L481 AbstractCegarLoop]: Abstraction has 470104 states and 835606 transitions. [2021-01-06 18:52:31,817 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:52:31,818 INFO L276 IsEmpty]: Start isEmpty. Operand 470104 states and 835606 transitions. [2021-01-06 18:52:31,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:52:31,855 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:52:31,855 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] [2021-01-06 18:52:31,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:52:31,856 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:52:31,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:52:31,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1108340305, now seen corresponding path program 1 times [2021-01-06 18:52:31,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:52:31,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586868631] [2021-01-06 18:52:31,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:52:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:52:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:52:31,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586868631] [2021-01-06 18:52:31,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:52:31,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:52:31,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366440559] [2021-01-06 18:52:31,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:52:31,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:52:31,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:52:31,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:52:31,960 INFO L87 Difference]: Start difference. First operand 470104 states and 835606 transitions. Second operand 8 states.