/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:43:21,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:43:21,724 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:43:21,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:43:21,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:43:21,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:43:21,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:43:21,801 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:43:21,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:43:21,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:43:21,826 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:43:21,828 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:43:21,828 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:43:21,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:43:21,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:43:21,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:43:21,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:43:21,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:43:21,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:43:21,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:43:21,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:43:21,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:43:21,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:43:21,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:43:21,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:43:21,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:43:21,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:43:21,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:43:21,879 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:43:21,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:43:21,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:43:21,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:43:21,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:43:21,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:43:21,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:43:21,886 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:43:21,886 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:43:21,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:43:21,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:43:21,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:43:21,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:43:21,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 18:43:21,939 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:43:21,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:43:21,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:43:21,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:43:21,944 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:43:21,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:43:21,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:43:21,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:43:21,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:43:21,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:43:21,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:43:21,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:43:21,947 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:43:21,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:43:21,948 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:43:21,948 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:43:21,948 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:43:21,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:43:21,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:43:21,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:43:21,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:43:21,949 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:43:21,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:43:21,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:43:21,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:43:21,950 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:43:22,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:43:22,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:43:22,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:43:22,434 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:43:22,435 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:43:22,436 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2021-01-06 18:43:22,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f112be441/f4502f61b553416bb1001829c1505238/FLAG0f7eb8972 [2021-01-06 18:43:23,284 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:43:23,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c [2021-01-06 18:43:23,317 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f112be441/f4502f61b553416bb1001829c1505238/FLAG0f7eb8972 [2021-01-06 18:43:23,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f112be441/f4502f61b553416bb1001829c1505238 [2021-01-06 18:43:23,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:43:23,539 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:43:23,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:43:23,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:43:23,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:43:23,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:43:23" (1/1) ... [2021-01-06 18:43:23,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269321d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:23, skipping insertion in model container [2021-01-06 18:43:23,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:43:23" (1/1) ... [2021-01-06 18:43:23,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:43:23,666 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] 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[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:43:24,161 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21461,21474] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~17,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~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_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~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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[~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[~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[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~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_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:43:24,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:43:24,477 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] 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[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~7,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] [2021-01-06 18:43:24,567 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product26.cil.c[21461,21474] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~14,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~15,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~17,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~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_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~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~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_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~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_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~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~18,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_Keyring0_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~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[~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[~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[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] 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~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_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~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] 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[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_id1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_from1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~33,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_to1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_subject1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_body1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isEncrypted1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_encryptionKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~38,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSigned1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_signKey1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_email_isSignatureVerified1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~22,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] [2021-01-06 18:43:24,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:43:24,725 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:43:24,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24 WrapperNode [2021-01-06 18:43:24,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:43:24,727 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:43:24,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:43:24,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:43:24,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... [2021-01-06 18:43:24,768 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... [2021-01-06 18:43:24,948 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:43:24,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:43:24,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:43:24,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:43:24,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... [2021-01-06 18:43:24,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... [2021-01-06 18:43:24,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... [2021-01-06 18:43:24,975 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... [2021-01-06 18:43:25,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... [2021-01-06 18:43:25,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... [2021-01-06 18:43:25,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... [2021-01-06 18:43:25,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:43:25,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:43:25,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:43:25,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:43:25,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:43:25,262 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:43:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:43:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:43:25,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:43:25,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:43:29,028 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:43:29,029 INFO L299 CfgBuilder]: Removed 713 assume(true) statements. [2021-01-06 18:43:29,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:43:29 BoogieIcfgContainer [2021-01-06 18:43:29,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:43:29,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:43:29,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:43:29,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:43:29,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:43:23" (1/3) ... [2021-01-06 18:43:29,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eccc83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:43:29, skipping insertion in model container [2021-01-06 18:43:29,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:43:24" (2/3) ... [2021-01-06 18:43:29,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eccc83d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:43:29, skipping insertion in model container [2021-01-06 18:43:29,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:43:29" (3/3) ... [2021-01-06 18:43:29,047 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product26.cil.c [2021-01-06 18:43:29,054 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:43:29,060 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:43:29,080 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:43:29,129 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:43:29,129 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:43:29,129 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:43:29,129 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:43:29,129 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:43:29,130 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:43:29,130 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:43:29,130 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:43:29,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states. [2021-01-06 18:43:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 18:43:29,181 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:29,182 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] [2021-01-06 18:43:29,183 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:29,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:29,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1291311372, now seen corresponding path program 1 times [2021-01-06 18:43:29,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:29,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666503527] [2021-01-06 18:43:29,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:29,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666503527] [2021-01-06 18:43:29,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:29,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:29,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85264557] [2021-01-06 18:43:29,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:29,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:29,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:29,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:29,608 INFO L87 Difference]: Start difference. First operand 1032 states. Second operand 3 states. [2021-01-06 18:43:29,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:29,846 INFO L93 Difference]: Finished difference Result 3061 states and 5273 transitions. [2021-01-06 18:43:29,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:29,848 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 18:43:29,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:29,911 INFO L225 Difference]: With dead ends: 3061 [2021-01-06 18:43:29,911 INFO L226 Difference]: Without dead ends: 1744 [2021-01-06 18:43:29,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:29,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2021-01-06 18:43:30,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 881. [2021-01-06 18:43:30,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2021-01-06 18:43:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1516 transitions. [2021-01-06 18:43:30,068 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1516 transitions. Word has length 44 [2021-01-06 18:43:30,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:30,068 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1516 transitions. [2021-01-06 18:43:30,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:30,069 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1516 transitions. [2021-01-06 18:43:30,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 18:43:30,078 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:30,079 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 18:43:30,079 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:43:30,080 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:30,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:30,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1865405563, now seen corresponding path program 1 times [2021-01-06 18:43:30,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:30,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528047929] [2021-01-06 18:43:30,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:30,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:30,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528047929] [2021-01-06 18:43:30,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:30,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:30,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81428807] [2021-01-06 18:43:30,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:30,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:30,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:30,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:30,317 INFO L87 Difference]: Start difference. First operand 881 states and 1516 transitions. Second operand 5 states. [2021-01-06 18:43:30,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:30,604 INFO L93 Difference]: Finished difference Result 2592 states and 4464 transitions. [2021-01-06 18:43:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:43:30,605 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 18:43:30,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:30,615 INFO L225 Difference]: With dead ends: 2592 [2021-01-06 18:43:30,616 INFO L226 Difference]: Without dead ends: 1730 [2021-01-06 18:43:30,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:43:30,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1730 states. [2021-01-06 18:43:30,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1730 to 881. [2021-01-06 18:43:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2021-01-06 18:43:30,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1515 transitions. [2021-01-06 18:43:30,665 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1515 transitions. Word has length 46 [2021-01-06 18:43:30,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:30,666 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1515 transitions. [2021-01-06 18:43:30,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:30,666 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1515 transitions. [2021-01-06 18:43:30,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:43:30,668 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:30,668 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:30,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:43:30,669 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:30,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:30,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1756280814, now seen corresponding path program 1 times [2021-01-06 18:43:30,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:30,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994822572] [2021-01-06 18:43:30,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:30,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:30,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994822572] [2021-01-06 18:43:30,865 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:30,865 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:30,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798728750] [2021-01-06 18:43:30,866 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:30,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:30,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:30,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:30,867 INFO L87 Difference]: Start difference. First operand 881 states and 1515 transitions. Second operand 3 states. [2021-01-06 18:43:30,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:30,936 INFO L93 Difference]: Finished difference Result 1744 states and 3004 transitions. [2021-01-06 18:43:30,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:30,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 18:43:30,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:30,943 INFO L225 Difference]: With dead ends: 1744 [2021-01-06 18:43:30,943 INFO L226 Difference]: Without dead ends: 886 [2021-01-06 18:43:30,945 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:30,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2021-01-06 18:43:30,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 881. [2021-01-06 18:43:30,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2021-01-06 18:43:30,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1514 transitions. [2021-01-06 18:43:30,984 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1514 transitions. Word has length 47 [2021-01-06 18:43:30,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:30,985 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1514 transitions. [2021-01-06 18:43:30,985 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1514 transitions. [2021-01-06 18:43:30,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:43:30,987 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:30,987 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:30,988 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:43:30,988 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:30,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:30,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1372034648, now seen corresponding path program 1 times [2021-01-06 18:43:30,989 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:30,989 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42246889] [2021-01-06 18:43:30,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:31,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:31,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42246889] [2021-01-06 18:43:31,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:31,068 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:31,068 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775447441] [2021-01-06 18:43:31,068 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:31,069 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:31,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:31,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:31,070 INFO L87 Difference]: Start difference. First operand 881 states and 1514 transitions. Second operand 3 states. [2021-01-06 18:43:31,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:31,136 INFO L93 Difference]: Finished difference Result 1754 states and 3017 transitions. [2021-01-06 18:43:31,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:31,137 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 18:43:31,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:31,142 INFO L225 Difference]: With dead ends: 1754 [2021-01-06 18:43:31,142 INFO L226 Difference]: Without dead ends: 881 [2021-01-06 18:43:31,144 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:31,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2021-01-06 18:43:31,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 881. [2021-01-06 18:43:31,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2021-01-06 18:43:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1512 transitions. [2021-01-06 18:43:31,188 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1512 transitions. Word has length 48 [2021-01-06 18:43:31,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:31,188 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1512 transitions. [2021-01-06 18:43:31,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1512 transitions. [2021-01-06 18:43:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-01-06 18:43:31,190 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:31,190 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:31,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:43:31,190 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:31,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:31,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1895018451, now seen corresponding path program 1 times [2021-01-06 18:43:31,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:31,192 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430585877] [2021-01-06 18:43:31,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:31,273 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430585877] [2021-01-06 18:43:31,273 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:31,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:31,273 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010776425] [2021-01-06 18:43:31,274 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:31,274 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:31,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:31,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:31,275 INFO L87 Difference]: Start difference. First operand 881 states and 1512 transitions. Second operand 5 states. [2021-01-06 18:43:31,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:31,535 INFO L93 Difference]: Finished difference Result 2582 states and 4444 transitions. [2021-01-06 18:43:31,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:43:31,536 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 49 [2021-01-06 18:43:31,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:31,546 INFO L225 Difference]: With dead ends: 2582 [2021-01-06 18:43:31,547 INFO L226 Difference]: Without dead ends: 1728 [2021-01-06 18:43:31,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:43:31,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1728 states. [2021-01-06 18:43:31,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1728 to 881. [2021-01-06 18:43:31,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2021-01-06 18:43:31,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1511 transitions. [2021-01-06 18:43:31,608 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1511 transitions. Word has length 49 [2021-01-06 18:43:31,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:31,609 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1511 transitions. [2021-01-06 18:43:31,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:31,609 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1511 transitions. [2021-01-06 18:43:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-01-06 18:43:31,612 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:31,613 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:31,613 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:43:31,613 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:31,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:31,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1682170992, now seen corresponding path program 1 times [2021-01-06 18:43:31,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:31,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542405918] [2021-01-06 18:43:31,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:31,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:31,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542405918] [2021-01-06 18:43:31,716 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:31,716 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:31,716 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578954121] [2021-01-06 18:43:31,718 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:31,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:31,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:31,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:31,719 INFO L87 Difference]: Start difference. First operand 881 states and 1511 transitions. Second operand 5 states. [2021-01-06 18:43:32,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:32,030 INFO L93 Difference]: Finished difference Result 2587 states and 4449 transitions. [2021-01-06 18:43:32,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:43:32,031 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 50 [2021-01-06 18:43:32,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:32,041 INFO L225 Difference]: With dead ends: 2587 [2021-01-06 18:43:32,042 INFO L226 Difference]: Without dead ends: 1733 [2021-01-06 18:43:32,044 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:43:32,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2021-01-06 18:43:32,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 881. [2021-01-06 18:43:32,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2021-01-06 18:43:32,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1510 transitions. [2021-01-06 18:43:32,120 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1510 transitions. Word has length 50 [2021-01-06 18:43:32,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:32,121 INFO L481 AbstractCegarLoop]: Abstraction has 881 states and 1510 transitions. [2021-01-06 18:43:32,121 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:32,121 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1510 transitions. [2021-01-06 18:43:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-01-06 18:43:32,122 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:32,122 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:32,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:43:32,123 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:32,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:32,127 INFO L82 PathProgramCache]: Analyzing trace with hash 677713576, now seen corresponding path program 1 times [2021-01-06 18:43:32,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:32,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151796451] [2021-01-06 18:43:32,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:32,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:32,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151796451] [2021-01-06 18:43:32,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:32,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:32,238 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449296763] [2021-01-06 18:43:32,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:32,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:32,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:32,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:32,239 INFO L87 Difference]: Start difference. First operand 881 states and 1510 transitions. Second operand 3 states. [2021-01-06 18:43:32,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:32,313 INFO L93 Difference]: Finished difference Result 1477 states and 2507 transitions. [2021-01-06 18:43:32,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:32,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2021-01-06 18:43:32,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:32,319 INFO L225 Difference]: With dead ends: 1477 [2021-01-06 18:43:32,319 INFO L226 Difference]: Without dead ends: 884 [2021-01-06 18:43:32,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:32,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2021-01-06 18:43:32,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 883. [2021-01-06 18:43:32,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2021-01-06 18:43:32,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1512 transitions. [2021-01-06 18:43:32,378 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1512 transitions. Word has length 51 [2021-01-06 18:43:32,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:32,378 INFO L481 AbstractCegarLoop]: Abstraction has 883 states and 1512 transitions. [2021-01-06 18:43:32,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:32,379 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1512 transitions. [2021-01-06 18:43:32,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:43:32,380 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:32,380 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:32,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:43:32,380 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:32,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:32,381 INFO L82 PathProgramCache]: Analyzing trace with hash -440692586, now seen corresponding path program 1 times [2021-01-06 18:43:32,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:32,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882557691] [2021-01-06 18:43:32,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:32,443 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882557691] [2021-01-06 18:43:32,444 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:32,444 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:32,444 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583975850] [2021-01-06 18:43:32,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:32,445 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:32,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:32,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:32,446 INFO L87 Difference]: Start difference. First operand 883 states and 1512 transitions. Second operand 3 states. [2021-01-06 18:43:32,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:32,558 INFO L93 Difference]: Finished difference Result 2535 states and 4360 transitions. [2021-01-06 18:43:32,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:32,558 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2021-01-06 18:43:32,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:32,571 INFO L225 Difference]: With dead ends: 2535 [2021-01-06 18:43:32,572 INFO L226 Difference]: Without dead ends: 1683 [2021-01-06 18:43:32,575 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:32,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1683 states. [2021-01-06 18:43:32,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1683 to 1090. [2021-01-06 18:43:32,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1090 states. [2021-01-06 18:43:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1894 transitions. [2021-01-06 18:43:32,656 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1894 transitions. Word has length 59 [2021-01-06 18:43:32,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:32,657 INFO L481 AbstractCegarLoop]: Abstraction has 1090 states and 1894 transitions. [2021-01-06 18:43:32,657 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1894 transitions. [2021-01-06 18:43:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:43:32,658 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:32,659 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 18:43:32,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:43:32,659 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:32,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:32,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1663988725, now seen corresponding path program 1 times [2021-01-06 18:43:32,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:32,660 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28300246] [2021-01-06 18:43:32,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:32,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28300246] [2021-01-06 18:43:32,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:32,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:32,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181228156] [2021-01-06 18:43:32,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:32,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:32,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:32,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:32,785 INFO L87 Difference]: Start difference. First operand 1090 states and 1894 transitions. Second operand 5 states. [2021-01-06 18:43:33,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:33,157 INFO L93 Difference]: Finished difference Result 3200 states and 5588 transitions. [2021-01-06 18:43:33,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:43:33,157 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-01-06 18:43:33,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:33,170 INFO L225 Difference]: With dead ends: 3200 [2021-01-06 18:43:33,171 INFO L226 Difference]: Without dead ends: 2141 [2021-01-06 18:43:33,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:43:33,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2141 states. [2021-01-06 18:43:33,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2141 to 1090. [2021-01-06 18:43:33,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1090 states. [2021-01-06 18:43:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1892 transitions. [2021-01-06 18:43:33,275 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1892 transitions. Word has length 60 [2021-01-06 18:43:33,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:33,276 INFO L481 AbstractCegarLoop]: Abstraction has 1090 states and 1892 transitions. [2021-01-06 18:43:33,276 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:33,276 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1892 transitions. [2021-01-06 18:43:33,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:43:33,277 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:33,278 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:33,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:43:33,278 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:33,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:33,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1519661388, now seen corresponding path program 1 times [2021-01-06 18:43:33,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:33,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588563624] [2021-01-06 18:43:33,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:33,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:33,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588563624] [2021-01-06 18:43:33,343 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:33,343 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:33,343 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162466166] [2021-01-06 18:43:33,344 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:33,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:33,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:33,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:33,345 INFO L87 Difference]: Start difference. First operand 1090 states and 1892 transitions. Second operand 3 states. [2021-01-06 18:43:33,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:33,495 INFO L93 Difference]: Finished difference Result 3198 states and 5580 transitions. [2021-01-06 18:43:33,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:33,496 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:43:33,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:33,508 INFO L225 Difference]: With dead ends: 3198 [2021-01-06 18:43:33,508 INFO L226 Difference]: Without dead ends: 2139 [2021-01-06 18:43:33,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:33,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2139 states. [2021-01-06 18:43:33,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2139 to 1546. [2021-01-06 18:43:33,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1546 states. [2021-01-06 18:43:33,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1546 states and 2733 transitions. [2021-01-06 18:43:33,622 INFO L78 Accepts]: Start accepts. Automaton has 1546 states and 2733 transitions. Word has length 61 [2021-01-06 18:43:33,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:33,622 INFO L481 AbstractCegarLoop]: Abstraction has 1546 states and 2733 transitions. [2021-01-06 18:43:33,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:33,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2733 transitions. [2021-01-06 18:43:33,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:43:33,625 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:33,625 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:33,625 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:43:33,625 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:33,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:33,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1192297962, now seen corresponding path program 1 times [2021-01-06 18:43:33,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:33,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787156635] [2021-01-06 18:43:33,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:33,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:33,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787156635] [2021-01-06 18:43:33,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731959197] [2021-01-06 18:43:33,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:43:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:34,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 878 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:43:34,126 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:43:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:43:34,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 18:43:34,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 18:43:34,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336483895] [2021-01-06 18:43:34,317 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:34,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:34,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:34,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:34,323 INFO L87 Difference]: Start difference. First operand 1546 states and 2733 transitions. Second operand 3 states. [2021-01-06 18:43:34,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:34,486 INFO L93 Difference]: Finished difference Result 2032 states and 3543 transitions. [2021-01-06 18:43:34,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:34,487 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:43:34,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:34,497 INFO L225 Difference]: With dead ends: 2032 [2021-01-06 18:43:34,497 INFO L226 Difference]: Without dead ends: 1534 [2021-01-06 18:43:34,499 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:34,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2021-01-06 18:43:34,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1534. [2021-01-06 18:43:34,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1534 states. [2021-01-06 18:43:34,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2715 transitions. [2021-01-06 18:43:34,607 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2715 transitions. Word has length 61 [2021-01-06 18:43:34,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:34,608 INFO L481 AbstractCegarLoop]: Abstraction has 1534 states and 2715 transitions. [2021-01-06 18:43:34,608 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:34,608 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2715 transitions. [2021-01-06 18:43:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 18:43:34,618 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:34,618 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:34,832 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:43:34,833 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:34,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:34,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1976737471, now seen corresponding path program 1 times [2021-01-06 18:43:34,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:34,834 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565020543] [2021-01-06 18:43:34,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:34,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:34,943 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565020543] [2021-01-06 18:43:34,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [129068125] [2021-01-06 18:43:34,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:43:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:35,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 1160 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:43:35,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:43:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:35,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:43:35,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:43:35,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294629646] [2021-01-06 18:43:35,592 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:35,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:35,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:35,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:35,593 INFO L87 Difference]: Start difference. First operand 1534 states and 2715 transitions. Second operand 5 states. [2021-01-06 18:43:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:35,791 INFO L93 Difference]: Finished difference Result 2962 states and 5150 transitions. [2021-01-06 18:43:35,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:43:35,792 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 98 [2021-01-06 18:43:35,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:35,805 INFO L225 Difference]: With dead ends: 2962 [2021-01-06 18:43:35,806 INFO L226 Difference]: Without dead ends: 2381 [2021-01-06 18:43:35,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:35,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2021-01-06 18:43:35,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 1797. [2021-01-06 18:43:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1797 states. [2021-01-06 18:43:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1797 states to 1797 states and 3194 transitions. [2021-01-06 18:43:35,948 INFO L78 Accepts]: Start accepts. Automaton has 1797 states and 3194 transitions. Word has length 98 [2021-01-06 18:43:35,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:35,948 INFO L481 AbstractCegarLoop]: Abstraction has 1797 states and 3194 transitions. [2021-01-06 18:43:35,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 3194 transitions. [2021-01-06 18:43:35,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 18:43:35,953 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:35,953 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:36,167 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 18:43:36,168 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:36,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:36,169 INFO L82 PathProgramCache]: Analyzing trace with hash -772291644, now seen corresponding path program 1 times [2021-01-06 18:43:36,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:36,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926264803] [2021-01-06 18:43:36,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:36,274 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926264803] [2021-01-06 18:43:36,274 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:36,275 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:36,275 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1811395361] [2021-01-06 18:43:36,275 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:36,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:36,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:36,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:36,277 INFO L87 Difference]: Start difference. First operand 1797 states and 3194 transitions. Second operand 3 states. [2021-01-06 18:43:36,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:36,461 INFO L93 Difference]: Finished difference Result 4978 states and 8867 transitions. [2021-01-06 18:43:36,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:36,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2021-01-06 18:43:36,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:36,499 INFO L225 Difference]: With dead ends: 4978 [2021-01-06 18:43:36,500 INFO L226 Difference]: Without dead ends: 3282 [2021-01-06 18:43:36,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:36,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3282 states. [2021-01-06 18:43:36,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3282 to 2701. [2021-01-06 18:43:36,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2701 states. [2021-01-06 18:43:36,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2701 states and 4855 transitions. [2021-01-06 18:43:36,729 INFO L78 Accepts]: Start accepts. Automaton has 2701 states and 4855 transitions. Word has length 102 [2021-01-06 18:43:36,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:36,729 INFO L481 AbstractCegarLoop]: Abstraction has 2701 states and 4855 transitions. [2021-01-06 18:43:36,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:36,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 4855 transitions. [2021-01-06 18:43:36,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 18:43:36,736 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:36,736 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:36,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:43:36,736 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:36,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:36,737 INFO L82 PathProgramCache]: Analyzing trace with hash 1910888004, now seen corresponding path program 1 times [2021-01-06 18:43:36,737 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:36,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446676239] [2021-01-06 18:43:36,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:36,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:36,818 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446676239] [2021-01-06 18:43:36,818 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:36,819 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:36,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667237220] [2021-01-06 18:43:36,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:36,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:36,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:36,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:36,824 INFO L87 Difference]: Start difference. First operand 2701 states and 4855 transitions. Second operand 3 states. [2021-01-06 18:43:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:37,087 INFO L93 Difference]: Finished difference Result 7426 states and 13369 transitions. [2021-01-06 18:43:37,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:37,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 103 [2021-01-06 18:43:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:37,102 INFO L225 Difference]: With dead ends: 7426 [2021-01-06 18:43:37,102 INFO L226 Difference]: Without dead ends: 4860 [2021-01-06 18:43:37,108 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:37,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4860 states. [2021-01-06 18:43:37,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4860 to 4279. [2021-01-06 18:43:37,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4279 states. [2021-01-06 18:43:37,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 7752 transitions. [2021-01-06 18:43:37,471 INFO L78 Accepts]: Start accepts. Automaton has 4279 states and 7752 transitions. Word has length 103 [2021-01-06 18:43:37,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:37,471 INFO L481 AbstractCegarLoop]: Abstraction has 4279 states and 7752 transitions. [2021-01-06 18:43:37,471 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:37,471 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 7752 transitions. [2021-01-06 18:43:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 18:43:37,488 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:37,489 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:37,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:43:37,489 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:37,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:37,490 INFO L82 PathProgramCache]: Analyzing trace with hash 422308915, now seen corresponding path program 1 times [2021-01-06 18:43:37,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:37,490 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297528867] [2021-01-06 18:43:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:37,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:37,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297528867] [2021-01-06 18:43:37,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:37,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:37,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046403053] [2021-01-06 18:43:37,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:37,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:37,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:37,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:37,584 INFO L87 Difference]: Start difference. First operand 4279 states and 7752 transitions. Second operand 3 states. [2021-01-06 18:43:38,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:38,164 INFO L93 Difference]: Finished difference Result 11876 states and 21543 transitions. [2021-01-06 18:43:38,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:38,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 104 [2021-01-06 18:43:38,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:38,191 INFO L225 Difference]: With dead ends: 11876 [2021-01-06 18:43:38,191 INFO L226 Difference]: Without dead ends: 7766 [2021-01-06 18:43:38,201 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7766 states. [2021-01-06 18:43:38,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7766 to 7185. [2021-01-06 18:43:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7185 states. [2021-01-06 18:43:38,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7185 states to 7185 states and 13081 transitions. [2021-01-06 18:43:38,781 INFO L78 Accepts]: Start accepts. Automaton has 7185 states and 13081 transitions. Word has length 104 [2021-01-06 18:43:38,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:38,781 INFO L481 AbstractCegarLoop]: Abstraction has 7185 states and 13081 transitions. [2021-01-06 18:43:38,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 7185 states and 13081 transitions. [2021-01-06 18:43:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:43:38,802 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:38,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:38,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:43:38,803 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:38,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:38,804 INFO L82 PathProgramCache]: Analyzing trace with hash -638276653, now seen corresponding path program 1 times [2021-01-06 18:43:38,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:38,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047304399] [2021-01-06 18:43:38,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:38,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:38,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047304399] [2021-01-06 18:43:38,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:38,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:38,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831918198] [2021-01-06 18:43:38,886 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:38,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:38,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:38,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:38,887 INFO L87 Difference]: Start difference. First operand 7185 states and 13081 transitions. Second operand 3 states. [2021-01-06 18:43:39,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:39,630 INFO L93 Difference]: Finished difference Result 20920 states and 38141 transitions. [2021-01-06 18:43:39,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:39,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 105 [2021-01-06 18:43:39,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:39,673 INFO L225 Difference]: With dead ends: 20920 [2021-01-06 18:43:39,674 INFO L226 Difference]: Without dead ends: 13912 [2021-01-06 18:43:39,684 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:39,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13912 states. [2021-01-06 18:43:40,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13912 to 13331. [2021-01-06 18:43:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13331 states. [2021-01-06 18:43:40,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13331 states to 13331 states and 24346 transitions. [2021-01-06 18:43:40,520 INFO L78 Accepts]: Start accepts. Automaton has 13331 states and 24346 transitions. Word has length 105 [2021-01-06 18:43:40,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:40,520 INFO L481 AbstractCegarLoop]: Abstraction has 13331 states and 24346 transitions. [2021-01-06 18:43:40,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:40,521 INFO L276 IsEmpty]: Start isEmpty. Operand 13331 states and 24346 transitions. [2021-01-06 18:43:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:43:40,548 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:40,548 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:40,549 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:43:40,549 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:40,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:40,549 INFO L82 PathProgramCache]: Analyzing trace with hash -196176220, now seen corresponding path program 1 times [2021-01-06 18:43:40,550 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:40,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720605422] [2021-01-06 18:43:40,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:40,630 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720605422] [2021-01-06 18:43:40,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:40,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:40,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916154930] [2021-01-06 18:43:40,632 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:40,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:40,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:40,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:40,637 INFO L87 Difference]: Start difference. First operand 13331 states and 24346 transitions. Second operand 3 states. [2021-01-06 18:43:41,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:41,950 INFO L93 Difference]: Finished difference Result 39188 states and 71635 transitions. [2021-01-06 18:43:41,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:41,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 106 [2021-01-06 18:43:41,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:42,038 INFO L225 Difference]: With dead ends: 39188 [2021-01-06 18:43:42,038 INFO L226 Difference]: Without dead ends: 26042 [2021-01-06 18:43:42,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:42,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26042 states. [2021-01-06 18:43:43,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26042 to 25461. [2021-01-06 18:43:43,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25461 states. [2021-01-06 18:43:43,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25461 states to 25461 states and 46555 transitions. [2021-01-06 18:43:43,863 INFO L78 Accepts]: Start accepts. Automaton has 25461 states and 46555 transitions. Word has length 106 [2021-01-06 18:43:43,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:43,864 INFO L481 AbstractCegarLoop]: Abstraction has 25461 states and 46555 transitions. [2021-01-06 18:43:43,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:43,864 INFO L276 IsEmpty]: Start isEmpty. Operand 25461 states and 46555 transitions. [2021-01-06 18:43:43,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:43:43,902 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:43,902 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:43,903 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:43:43,903 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:43,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:43,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1284086756, now seen corresponding path program 1 times [2021-01-06 18:43:43,904 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:43,904 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472084845] [2021-01-06 18:43:43,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:43,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:43,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472084845] [2021-01-06 18:43:43,994 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:43,994 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:43,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055157082] [2021-01-06 18:43:43,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:43,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:43,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:43,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:43,998 INFO L87 Difference]: Start difference. First operand 25461 states and 46555 transitions. Second operand 3 states. [2021-01-06 18:43:45,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:45,712 INFO L93 Difference]: Finished difference Result 70217 states and 127998 transitions. [2021-01-06 18:43:45,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:45,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2021-01-06 18:43:45,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:45,831 INFO L225 Difference]: With dead ends: 70217 [2021-01-06 18:43:45,831 INFO L226 Difference]: Without dead ends: 44988 [2021-01-06 18:43:45,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:45,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44988 states. [2021-01-06 18:43:47,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44988 to 44407. [2021-01-06 18:43:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44407 states. [2021-01-06 18:43:47,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44407 states to 44407 states and 80732 transitions. [2021-01-06 18:43:47,844 INFO L78 Accepts]: Start accepts. Automaton has 44407 states and 80732 transitions. Word has length 107 [2021-01-06 18:43:47,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:47,845 INFO L481 AbstractCegarLoop]: Abstraction has 44407 states and 80732 transitions. [2021-01-06 18:43:47,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:47,845 INFO L276 IsEmpty]: Start isEmpty. Operand 44407 states and 80732 transitions. [2021-01-06 18:43:47,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 18:43:47,879 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:47,879 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:47,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:43:47,879 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:47,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:47,880 INFO L82 PathProgramCache]: Analyzing trace with hash -204802147, now seen corresponding path program 1 times [2021-01-06 18:43:47,880 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:47,880 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387401935] [2021-01-06 18:43:47,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:47,979 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:43:47,979 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387401935] [2021-01-06 18:43:47,979 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:47,980 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:47,980 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124370460] [2021-01-06 18:43:47,981 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:47,981 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:47,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:47,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:47,982 INFO L87 Difference]: Start difference. First operand 44407 states and 80732 transitions. Second operand 5 states. [2021-01-06 18:43:51,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:51,516 INFO L93 Difference]: Finished difference Result 130830 states and 237831 transitions. [2021-01-06 18:43:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:43:51,517 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 108 [2021-01-06 18:43:51,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:51,705 INFO L225 Difference]: With dead ends: 130830 [2021-01-06 18:43:51,705 INFO L226 Difference]: Without dead ends: 86723 [2021-01-06 18:43:51,752 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:43:51,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86723 states. [2021-01-06 18:43:54,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86723 to 44407. [2021-01-06 18:43:54,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44407 states. [2021-01-06 18:43:54,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44407 states to 44407 states and 80474 transitions. [2021-01-06 18:43:54,105 INFO L78 Accepts]: Start accepts. Automaton has 44407 states and 80474 transitions. Word has length 108 [2021-01-06 18:43:54,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:54,105 INFO L481 AbstractCegarLoop]: Abstraction has 44407 states and 80474 transitions. [2021-01-06 18:43:54,105 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 44407 states and 80474 transitions. [2021-01-06 18:43:54,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 18:43:54,138 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:54,139 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:54,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:43:54,139 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:54,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:54,140 INFO L82 PathProgramCache]: Analyzing trace with hash -545305153, now seen corresponding path program 2 times [2021-01-06 18:43:54,140 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:54,140 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731082040] [2021-01-06 18:43:54,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:54,209 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:54,209 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731082040] [2021-01-06 18:43:54,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:54,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:54,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714137044] [2021-01-06 18:43:54,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:54,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:54,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:54,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:54,211 INFO L87 Difference]: Start difference. First operand 44407 states and 80474 transitions. Second operand 3 states. [2021-01-06 18:43:56,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:56,091 INFO L93 Difference]: Finished difference Result 89089 states and 161400 transitions. [2021-01-06 18:43:56,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:56,091 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2021-01-06 18:43:56,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:56,166 INFO L225 Difference]: With dead ends: 89089 [2021-01-06 18:43:56,166 INFO L226 Difference]: Without dead ends: 44988 [2021-01-06 18:43:56,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:56,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44988 states. [2021-01-06 18:43:58,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44988 to 44407. [2021-01-06 18:43:58,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44407 states. [2021-01-06 18:43:58,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44407 states to 44407 states and 80346 transitions. [2021-01-06 18:43:58,405 INFO L78 Accepts]: Start accepts. Automaton has 44407 states and 80346 transitions. Word has length 108 [2021-01-06 18:43:58,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:58,405 INFO L481 AbstractCegarLoop]: Abstraction has 44407 states and 80346 transitions. [2021-01-06 18:43:58,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:58,405 INFO L276 IsEmpty]: Start isEmpty. Operand 44407 states and 80346 transitions. [2021-01-06 18:43:58,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 18:43:58,440 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:58,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:58,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:43:58,441 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:58,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:58,441 INFO L82 PathProgramCache]: Analyzing trace with hash -613244174, now seen corresponding path program 1 times [2021-01-06 18:43:58,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:58,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791671949] [2021-01-06 18:43:58,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:58,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:58,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791671949] [2021-01-06 18:43:58,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:58,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:58,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645570404] [2021-01-06 18:43:58,529 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:58,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:58,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:58,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:58,530 INFO L87 Difference]: Start difference. First operand 44407 states and 80346 transitions. Second operand 3 states. [2021-01-06 18:44:01,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:01,510 INFO L93 Difference]: Finished difference Result 124715 states and 225474 transitions. [2021-01-06 18:44:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:44:01,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2021-01-06 18:44:01,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:01,669 INFO L225 Difference]: With dead ends: 124715 [2021-01-06 18:44:01,669 INFO L226 Difference]: Without dead ends: 80574 [2021-01-06 18:44:01,706 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:44:01,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80574 states. [2021-01-06 18:44:05,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80574 to 79993. [2021-01-06 18:44:05,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79993 states. [2021-01-06 18:44:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79993 states to 79993 states and 144347 transitions. [2021-01-06 18:44:05,142 INFO L78 Accepts]: Start accepts. Automaton has 79993 states and 144347 transitions. Word has length 108 [2021-01-06 18:44:05,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:05,142 INFO L481 AbstractCegarLoop]: Abstraction has 79993 states and 144347 transitions. [2021-01-06 18:44:05,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:44:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 79993 states and 144347 transitions. [2021-01-06 18:44:05,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-01-06 18:44:05,184 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:05,184 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:05,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:44:05,185 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:05,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:05,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1832087367, now seen corresponding path program 1 times [2021-01-06 18:44:05,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:05,186 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134737227] [2021-01-06 18:44:05,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:05,329 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:05,329 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134737227] [2021-01-06 18:44:05,330 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:05,330 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:44:05,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709242422] [2021-01-06 18:44:05,330 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:44:05,330 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:05,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:44:05,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:44:05,331 INFO L87 Difference]: Start difference. First operand 79993 states and 144347 transitions. Second operand 9 states. [2021-01-06 18:44:12,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:12,774 INFO L93 Difference]: Finished difference Result 163922 states and 295221 transitions. [2021-01-06 18:44:12,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-01-06 18:44:12,776 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 109 [2021-01-06 18:44:12,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:13,080 INFO L225 Difference]: With dead ends: 163922 [2021-01-06 18:44:13,080 INFO L226 Difference]: Without dead ends: 163398 [2021-01-06 18:44:13,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=212, Invalid=438, Unknown=0, NotChecked=0, Total=650 [2021-01-06 18:44:13,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163398 states. [2021-01-06 18:44:19,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163398 to 160173. [2021-01-06 18:44:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160173 states. [2021-01-06 18:44:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160173 states to 160173 states and 289014 transitions. [2021-01-06 18:44:20,051 INFO L78 Accepts]: Start accepts. Automaton has 160173 states and 289014 transitions. Word has length 109 [2021-01-06 18:44:20,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:20,052 INFO L481 AbstractCegarLoop]: Abstraction has 160173 states and 289014 transitions. [2021-01-06 18:44:20,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:44:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 160173 states and 289014 transitions. [2021-01-06 18:44:20,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-01-06 18:44:20,122 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:20,122 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:20,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:44:20,123 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:20,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:20,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1384161901, now seen corresponding path program 1 times [2021-01-06 18:44:20,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:20,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055274697] [2021-01-06 18:44:20,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:20,203 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:20,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055274697] [2021-01-06 18:44:20,204 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:20,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:44:20,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222601561] [2021-01-06 18:44:20,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:44:20,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:20,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:44:20,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:44:20,205 INFO L87 Difference]: Start difference. First operand 160173 states and 289014 transitions. Second operand 4 states. [2021-01-06 18:44:25,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:25,519 INFO L93 Difference]: Finished difference Result 162277 states and 292528 transitions. [2021-01-06 18:44:25,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:44:25,520 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2021-01-06 18:44:25,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:25,842 INFO L225 Difference]: With dead ends: 162277 [2021-01-06 18:44:25,842 INFO L226 Difference]: Without dead ends: 160903 [2021-01-06 18:44:25,880 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:44:26,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160903 states. [2021-01-06 18:44:32,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160903 to 160077. [2021-01-06 18:44:32,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160077 states. [2021-01-06 18:44:32,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160077 states to 160077 states and 288845 transitions. [2021-01-06 18:44:32,772 INFO L78 Accepts]: Start accepts. Automaton has 160077 states and 288845 transitions. Word has length 110 [2021-01-06 18:44:32,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:32,772 INFO L481 AbstractCegarLoop]: Abstraction has 160077 states and 288845 transitions. [2021-01-06 18:44:32,772 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:44:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 160077 states and 288845 transitions. [2021-01-06 18:44:32,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 18:44:32,837 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:32,837 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:32,837 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:44:32,838 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:32,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:32,838 INFO L82 PathProgramCache]: Analyzing trace with hash 796740593, now seen corresponding path program 1 times [2021-01-06 18:44:32,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:32,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445768536] [2021-01-06 18:44:32,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:32,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:32,934 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445768536] [2021-01-06 18:44:32,934 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:32,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 18:44:32,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120819286] [2021-01-06 18:44:32,935 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 18:44:32,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:32,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 18:44:32,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:44:32,936 INFO L87 Difference]: Start difference. First operand 160077 states and 288845 transitions. Second operand 7 states. [2021-01-06 18:44:38,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:38,363 INFO L93 Difference]: Finished difference Result 161742 states and 291613 transitions. [2021-01-06 18:44:38,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 18:44:38,364 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 111 [2021-01-06 18:44:38,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:38,680 INFO L225 Difference]: With dead ends: 161742 [2021-01-06 18:44:38,680 INFO L226 Difference]: Without dead ends: 160368 [2021-01-06 18:44:38,719 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-01-06 18:44:38,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160368 states. [2021-01-06 18:44:45,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160368 to 160029. [2021-01-06 18:44:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160029 states. [2021-01-06 18:44:45,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160029 states to 160029 states and 288738 transitions. [2021-01-06 18:44:45,825 INFO L78 Accepts]: Start accepts. Automaton has 160029 states and 288738 transitions. Word has length 111 [2021-01-06 18:44:45,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:45,825 INFO L481 AbstractCegarLoop]: Abstraction has 160029 states and 288738 transitions. [2021-01-06 18:44:45,825 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 18:44:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 160029 states and 288738 transitions. [2021-01-06 18:44:45,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-01-06 18:44:45,899 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:45,900 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:45,900 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:44:45,900 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:45,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:45,901 INFO L82 PathProgramCache]: Analyzing trace with hash 784072091, now seen corresponding path program 1 times [2021-01-06 18:44:45,901 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:45,901 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539617986] [2021-01-06 18:44:45,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:46,031 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:46,031 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539617986] [2021-01-06 18:44:46,031 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:46,031 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:44:46,032 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121231303] [2021-01-06 18:44:46,032 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:44:46,032 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:46,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:44:46,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:44:46,033 INFO L87 Difference]: Start difference. First operand 160029 states and 288738 transitions. Second operand 9 states. [2021-01-06 18:44:53,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:53,631 INFO L93 Difference]: Finished difference Result 167394 states and 300883 transitions. [2021-01-06 18:44:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:44:53,632 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2021-01-06 18:44:53,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:54,115 INFO L225 Difference]: With dead ends: 167394 [2021-01-06 18:44:54,115 INFO L226 Difference]: Without dead ends: 166198 [2021-01-06 18:44:54,150 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:44:54,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166198 states. [2021-01-06 18:45:00,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166198 to 160606. [2021-01-06 18:45:00,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160606 states. [2021-01-06 18:45:01,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160606 states to 160606 states and 289676 transitions. [2021-01-06 18:45:01,043 INFO L78 Accepts]: Start accepts. Automaton has 160606 states and 289676 transitions. Word has length 111 [2021-01-06 18:45:01,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:01,043 INFO L481 AbstractCegarLoop]: Abstraction has 160606 states and 289676 transitions. [2021-01-06 18:45:01,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:45:01,043 INFO L276 IsEmpty]: Start isEmpty. Operand 160606 states and 289676 transitions. [2021-01-06 18:45:01,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 18:45:01,109 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:01,109 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:01,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:45:01,109 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:01,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:01,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1746609937, now seen corresponding path program 1 times [2021-01-06 18:45:01,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:01,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983439357] [2021-01-06 18:45:01,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:45:01,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983439357] [2021-01-06 18:45:01,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:01,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:45:01,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097417538] [2021-01-06 18:45:01,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:45:01,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:01,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:45:01,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:45:01,671 INFO L87 Difference]: Start difference. First operand 160606 states and 289676 transitions. Second operand 11 states. [2021-01-06 18:45:11,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:11,194 INFO L93 Difference]: Finished difference Result 170642 states and 306205 transitions. [2021-01-06 18:45:11,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-01-06 18:45:11,194 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 112 [2021-01-06 18:45:11,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:11,530 INFO L225 Difference]: With dead ends: 170642 [2021-01-06 18:45:11,530 INFO L226 Difference]: Without dead ends: 169052 [2021-01-06 18:45:11,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=419, Invalid=1221, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 18:45:11,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169052 states. [2021-01-06 18:45:18,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169052 to 160928. [2021-01-06 18:45:18,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160928 states. [2021-01-06 18:45:19,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160928 states to 160928 states and 290208 transitions. [2021-01-06 18:45:19,141 INFO L78 Accepts]: Start accepts. Automaton has 160928 states and 290208 transitions. Word has length 112 [2021-01-06 18:45:19,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:19,142 INFO L481 AbstractCegarLoop]: Abstraction has 160928 states and 290208 transitions. [2021-01-06 18:45:19,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:45:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 160928 states and 290208 transitions. [2021-01-06 18:45:19,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-01-06 18:45:19,216 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:19,216 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:19,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:45:19,216 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:19,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:19,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1452344533, now seen corresponding path program 1 times [2021-01-06 18:45:19,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:19,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468243598] [2021-01-06 18:45:19,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:19,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:19,349 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:45:19,349 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468243598] [2021-01-06 18:45:19,349 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:19,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:45:19,350 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785036781] [2021-01-06 18:45:19,350 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:45:19,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:19,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:45:19,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:45:19,351 INFO L87 Difference]: Start difference. First operand 160928 states and 290208 transitions. Second operand 9 states. [2021-01-06 18:45:25,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:25,249 INFO L93 Difference]: Finished difference Result 163846 states and 295012 transitions. [2021-01-06 18:45:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:45:25,249 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2021-01-06 18:45:25,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:25,552 INFO L225 Difference]: With dead ends: 163846 [2021-01-06 18:45:25,552 INFO L226 Difference]: Without dead ends: 161553 [2021-01-06 18:45:25,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:45:25,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161553 states. [2021-01-06 18:45:31,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161553 to 160617. [2021-01-06 18:45:31,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160617 states. [2021-01-06 18:45:32,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160617 states to 160617 states and 289668 transitions. [2021-01-06 18:45:32,593 INFO L78 Accepts]: Start accepts. Automaton has 160617 states and 289668 transitions. Word has length 112 [2021-01-06 18:45:32,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:32,593 INFO L481 AbstractCegarLoop]: Abstraction has 160617 states and 289668 transitions. [2021-01-06 18:45:32,593 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:45:32,593 INFO L276 IsEmpty]: Start isEmpty. Operand 160617 states and 289668 transitions. [2021-01-06 18:45:32,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 18:45:32,674 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:32,674 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:32,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:45:32,674 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:32,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:32,679 INFO L82 PathProgramCache]: Analyzing trace with hash 1465796311, now seen corresponding path program 1 times [2021-01-06 18:45:32,680 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:32,680 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552658067] [2021-01-06 18:45:32,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:32,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552658067] [2021-01-06 18:45:32,842 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712014026] [2021-01-06 18:45:32,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:45:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:33,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1198 conjuncts, 4 conjunts are in the unsatisfiable core [2021-01-06 18:45:33,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:45:33,432 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 18:45:33,432 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:45:33,432 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5] total 11 [2021-01-06 18:45:33,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419440454] [2021-01-06 18:45:33,433 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:45:33,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:33,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:45:33,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:45:33,434 INFO L87 Difference]: Start difference. First operand 160617 states and 289668 transitions. Second operand 11 states. [2021-01-06 18:45:46,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:46,765 INFO L93 Difference]: Finished difference Result 273324 states and 488039 transitions. [2021-01-06 18:45:46,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-01-06 18:45:46,765 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 113 [2021-01-06 18:45:46,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:47,448 INFO L225 Difference]: With dead ends: 273324 [2021-01-06 18:45:47,448 INFO L226 Difference]: Without dead ends: 271309 [2021-01-06 18:45:47,519 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=281, Invalid=1125, Unknown=0, NotChecked=0, Total=1406 [2021-01-06 18:45:47,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271309 states. [2021-01-06 18:45:58,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271309 to 245224. [2021-01-06 18:45:58,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245224 states. [2021-01-06 18:45:59,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245224 states to 245224 states and 441802 transitions. [2021-01-06 18:45:59,133 INFO L78 Accepts]: Start accepts. Automaton has 245224 states and 441802 transitions. Word has length 113 [2021-01-06 18:45:59,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:59,133 INFO L481 AbstractCegarLoop]: Abstraction has 245224 states and 441802 transitions. [2021-01-06 18:45:59,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:45:59,133 INFO L276 IsEmpty]: Start isEmpty. Operand 245224 states and 441802 transitions. [2021-01-06 18:45:59,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-01-06 18:45:59,241 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:59,241 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:59,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-01-06 18:45:59,442 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:59,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:59,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1511241671, now seen corresponding path program 1 times [2021-01-06 18:45:59,443 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:59,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019589216] [2021-01-06 18:45:59,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:59,512 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 18:45:59,513 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019589216] [2021-01-06 18:45:59,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:59,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:59,515 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555887589] [2021-01-06 18:45:59,516 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:59,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:59,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:59,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:59,517 INFO L87 Difference]: Start difference. First operand 245224 states and 441802 transitions. Second operand 3 states. [2021-01-06 18:46:18,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:46:18,814 INFO L93 Difference]: Finished difference Result 719852 states and 1297228 transitions. [2021-01-06 18:46:18,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:46:18,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2021-01-06 18:46:18,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:46:20,218 INFO L225 Difference]: With dead ends: 719852 [2021-01-06 18:46:20,218 INFO L226 Difference]: Without dead ends: 478319 [2021-01-06 18:46:20,480 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 18:46:20,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478319 states.