/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_spec0_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:35:21,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:35:21,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:35:21,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:35:21,715 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:35:21,716 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:35:21,718 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:35:21,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:35:21,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:35:21,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:35:21,725 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:35:21,727 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:35:21,727 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:35:21,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:35:21,730 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:35:21,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:35:21,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:35:21,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:35:21,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:35:21,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:35:21,748 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:35:21,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:35:21,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:35:21,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:35:21,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:35:21,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:35:21,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:35:21,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:35:21,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:35:21,786 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:35:21,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:35:21,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:35:21,788 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:35:21,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:35:21,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:35:21,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:35:21,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:35:21,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:35:21,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:35:21,800 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:35:21,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:35:21,804 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 18:35:21,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:35:21,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:35:21,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:35:21,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:35:21,858 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:35:21,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:35:21,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:35:21,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:35:21,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:35:21,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:35:21,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:35:21,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:35:21,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:35:21,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:35:21,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:35:21,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:35:21,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:35:21,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:35:21,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:35:21,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:35:21,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:35:21,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:35:21,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:35:21,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:35:21,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:35:21,866 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:35:22,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:35:22,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:35:22,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:35:22,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:35:22,331 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:35:22,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2021-01-06 18:35:22,420 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f96e11af/486e3614ac7e4b6bad53f8501870b6e9/FLAG0a40743db [2021-01-06 18:35:23,304 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:35:23,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product27.cil.c [2021-01-06 18:35:23,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f96e11af/486e3614ac7e4b6bad53f8501870b6e9/FLAG0a40743db [2021-01-06 18:35:23,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/4f96e11af/486e3614ac7e4b6bad53f8501870b6e9 [2021-01-06 18:35:23,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:35:23,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:35:23,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:35:23,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:35:23,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:35:23,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:23,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37d41ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:23, skipping insertion in model container [2021-01-06 18:35:23,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:35:23" (1/1) ... [2021-01-06 18:35:23,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:35:23,535 INFO L178 MainTranslator]: Built tables and reachable declarations 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] [2021-01-06 18:35:24,030 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_spec0_product27.cil.c[28025,28038] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~22,] 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[~__cil_tmp4~5,] 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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~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_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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[~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[~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[~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[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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[~retValue_acc~32,] 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~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[~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[~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[~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[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~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[~retValue_acc~36,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~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[~retValue_acc~38,] 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~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[~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[~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[~retValue_acc~39,] 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[~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[~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[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] [2021-01-06 18:35:24,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:35:24,230 INFO L203 MainTranslator]: Completed pre-run 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___2~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] 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~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] 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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] 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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~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_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~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_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~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~16,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~2,] 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[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~19,] [2021-01-06 18:35:24,299 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_spec0_product27.cil.c[28025,28038] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~bob~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp1~0,] left hand side expression in assignment: lhs: VariableLHS[~rjh~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~chuck~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~second~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~14,] left hand side expression in assignment: lhs: VariableLHS[~tmp~15,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~21,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] 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~22,] 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[~__cil_tmp4~5,] 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[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~3,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~1,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~26,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~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[~__cil_tmp3~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] 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~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_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~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~29,] 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~21,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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[~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[~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[~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[~retValue_acc~31,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~32,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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[~retValue_acc~32,] 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~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[~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[~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[~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[~retValue_acc~33,] 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~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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~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[~retValue_acc~36,] 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~22,] left hand side expression in assignment: lhs: VariableLHS[~size~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~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[~retValue_acc~38,] 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~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[~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[~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[~retValue_acc~39,] 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[~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[~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[~retValue_acc~40,] 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~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] 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~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] [2021-01-06 18:35:24,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:35:24,523 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:35:24,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24 WrapperNode [2021-01-06 18:35:24,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:35:24,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:35:24,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:35:24,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:35:24,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (1/1) ... [2021-01-06 18:35:24,568 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (1/1) ... [2021-01-06 18:35:24,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:35:24,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:35:24,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:35:24,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:35:24,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (1/1) ... [2021-01-06 18:35:24,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (1/1) ... [2021-01-06 18:35:24,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (1/1) ... [2021-01-06 18:35:24,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (1/1) ... [2021-01-06 18:35:24,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (1/1) ... [2021-01-06 18:35:24,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (1/1) ... [2021-01-06 18:35:25,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (1/1) ... [2021-01-06 18:35:25,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:35:25,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:35:25,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:35:25,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:35:25,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (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 18:35:25,190 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:35:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:35:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:35:25,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:35:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:35:28,820 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:35:28,820 INFO L299 CfgBuilder]: Removed 685 assume(true) statements. [2021-01-06 18:35:28,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:35:28 BoogieIcfgContainer [2021-01-06 18:35:28,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:35:28,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:35:28,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:35:28,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:35:28,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:35:23" (1/3) ... [2021-01-06 18:35:28,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574bd5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:35:28, skipping insertion in model container [2021-01-06 18:35:28,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:35:24" (2/3) ... [2021-01-06 18:35:28,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@574bd5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:35:28, skipping insertion in model container [2021-01-06 18:35:28,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:35:28" (3/3) ... [2021-01-06 18:35:28,833 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec0_product27.cil.c [2021-01-06 18:35:28,840 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:35:28,846 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-01-06 18:35:28,867 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-01-06 18:35:28,912 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:35:28,913 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:35:28,913 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:35:28,915 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:35:28,915 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:35:28,915 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:35:28,915 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:35:28,915 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:35:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states. [2021-01-06 18:35:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 18:35:28,981 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:28,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:28,983 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 18:35:28,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:28,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1412971387, now seen corresponding path program 1 times [2021-01-06 18:35:29,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:29,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019824879] [2021-01-06 18:35:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:29,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:29,541 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 18:35:29,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019824879] [2021-01-06 18:35:29,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:29,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:29,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193199399] [2021-01-06 18:35:29,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:29,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:29,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:29,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:29,575 INFO L87 Difference]: Start difference. First operand 946 states. Second operand 3 states. [2021-01-06 18:35:29,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:29,826 INFO L93 Difference]: Finished difference Result 2803 states and 4793 transitions. [2021-01-06 18:35:29,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:29,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2021-01-06 18:35:29,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:29,887 INFO L225 Difference]: With dead ends: 2803 [2021-01-06 18:35:29,887 INFO L226 Difference]: Without dead ends: 1772 [2021-01-06 18:35:29,899 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 18:35:29,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1772 states. [2021-01-06 18:35:30,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1772 to 895. [2021-01-06 18:35:30,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2021-01-06 18:35:30,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1526 transitions. [2021-01-06 18:35:30,029 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1526 transitions. Word has length 54 [2021-01-06 18:35:30,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:30,029 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1526 transitions. [2021-01-06 18:35:30,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:30,029 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1526 transitions. [2021-01-06 18:35:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:35:30,034 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:30,035 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:30,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:35:30,035 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 18:35:30,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:30,036 INFO L82 PathProgramCache]: Analyzing trace with hash -672921642, now seen corresponding path program 1 times [2021-01-06 18:35:30,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:30,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996629688] [2021-01-06 18:35:30,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:30,142 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 18:35:30,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996629688] [2021-01-06 18:35:30,143 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:30,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:30,144 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369964913] [2021-01-06 18:35:30,145 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:30,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:30,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:30,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:30,147 INFO L87 Difference]: Start difference. First operand 895 states and 1526 transitions. Second operand 5 states. [2021-01-06 18:35:30,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:30,422 INFO L93 Difference]: Finished difference Result 2634 states and 4494 transitions. [2021-01-06 18:35:30,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:35:30,423 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 56 [2021-01-06 18:35:30,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:30,435 INFO L225 Difference]: With dead ends: 2634 [2021-01-06 18:35:30,435 INFO L226 Difference]: Without dead ends: 1758 [2021-01-06 18:35:30,438 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 18:35:30,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1758 states. [2021-01-06 18:35:30,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1758 to 895. [2021-01-06 18:35:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2021-01-06 18:35:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1525 transitions. [2021-01-06 18:35:30,488 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1525 transitions. Word has length 56 [2021-01-06 18:35:30,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:30,489 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1525 transitions. [2021-01-06 18:35:30,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1525 transitions. [2021-01-06 18:35:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:35:30,491 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:30,492 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:30,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:35:30,492 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 18:35:30,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:30,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1990760483, now seen corresponding path program 1 times [2021-01-06 18:35:30,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:30,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596234890] [2021-01-06 18:35:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:30,583 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 18:35:30,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596234890] [2021-01-06 18:35:30,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:30,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:30,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080075447] [2021-01-06 18:35:30,585 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:30,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:30,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:30,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:30,586 INFO L87 Difference]: Start difference. First operand 895 states and 1525 transitions. Second operand 3 states. [2021-01-06 18:35:30,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:30,658 INFO L93 Difference]: Finished difference Result 1772 states and 3024 transitions. [2021-01-06 18:35:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:30,659 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2021-01-06 18:35:30,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:30,665 INFO L225 Difference]: With dead ends: 1772 [2021-01-06 18:35:30,665 INFO L226 Difference]: Without dead ends: 900 [2021-01-06 18:35:30,667 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 18:35:30,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 900 states. [2021-01-06 18:35:30,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 900 to 895. [2021-01-06 18:35:30,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2021-01-06 18:35:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1524 transitions. [2021-01-06 18:35:30,723 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1524 transitions. Word has length 57 [2021-01-06 18:35:30,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:30,731 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1524 transitions. [2021-01-06 18:35:30,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:30,731 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1524 transitions. [2021-01-06 18:35:30,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:35:30,733 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:30,733 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:30,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:35:30,734 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 18:35:30,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:30,735 INFO L82 PathProgramCache]: Analyzing trace with hash 2057193193, now seen corresponding path program 1 times [2021-01-06 18:35:30,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:30,736 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357307295] [2021-01-06 18:35:30,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:30,867 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 18:35:30,868 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357307295] [2021-01-06 18:35:30,868 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:30,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:30,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008167077] [2021-01-06 18:35:30,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:30,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:30,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:30,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:30,873 INFO L87 Difference]: Start difference. First operand 895 states and 1524 transitions. Second operand 3 states. [2021-01-06 18:35:30,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:30,944 INFO L93 Difference]: Finished difference Result 1782 states and 3037 transitions. [2021-01-06 18:35:30,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:30,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:35:30,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:30,951 INFO L225 Difference]: With dead ends: 1782 [2021-01-06 18:35:30,951 INFO L226 Difference]: Without dead ends: 895 [2021-01-06 18:35:30,953 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 18:35:30,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2021-01-06 18:35:30,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 895. [2021-01-06 18:35:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2021-01-06 18:35:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1522 transitions. [2021-01-06 18:35:30,997 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1522 transitions. Word has length 58 [2021-01-06 18:35:30,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:30,999 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1522 transitions. [2021-01-06 18:35:31,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1522 transitions. [2021-01-06 18:35:31,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-01-06 18:35:31,003 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:31,003 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:31,003 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:35:31,005 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 18:35:31,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:31,005 INFO L82 PathProgramCache]: Analyzing trace with hash 442006142, now seen corresponding path program 1 times [2021-01-06 18:35:31,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:31,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933184442] [2021-01-06 18:35:31,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:31,191 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 18:35:31,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933184442] [2021-01-06 18:35:31,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:31,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:31,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91388503] [2021-01-06 18:35:31,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:31,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:31,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:31,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:31,196 INFO L87 Difference]: Start difference. First operand 895 states and 1522 transitions. Second operand 5 states. [2021-01-06 18:35:31,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:31,488 INFO L93 Difference]: Finished difference Result 2624 states and 4474 transitions. [2021-01-06 18:35:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:31,488 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2021-01-06 18:35:31,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:31,501 INFO L225 Difference]: With dead ends: 2624 [2021-01-06 18:35:31,502 INFO L226 Difference]: Without dead ends: 1756 [2021-01-06 18:35:31,504 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 18:35:31,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2021-01-06 18:35:31,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 895. [2021-01-06 18:35:31,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2021-01-06 18:35:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1521 transitions. [2021-01-06 18:35:31,586 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1521 transitions. Word has length 59 [2021-01-06 18:35:31,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:31,586 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1521 transitions. [2021-01-06 18:35:31,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1521 transitions. [2021-01-06 18:35:31,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-01-06 18:35:31,588 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:31,589 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:31,589 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:35:31,589 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 18:35:31,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:31,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1182246433, now seen corresponding path program 1 times [2021-01-06 18:35:31,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:31,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612598741] [2021-01-06 18:35:31,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:31,712 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 18:35:31,713 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612598741] [2021-01-06 18:35:31,713 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:31,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:31,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127862392] [2021-01-06 18:35:31,714 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:31,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:31,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:31,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:31,715 INFO L87 Difference]: Start difference. First operand 895 states and 1521 transitions. Second operand 5 states. [2021-01-06 18:35:31,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:31,990 INFO L93 Difference]: Finished difference Result 2629 states and 4479 transitions. [2021-01-06 18:35:31,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:31,991 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2021-01-06 18:35:31,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:32,002 INFO L225 Difference]: With dead ends: 2629 [2021-01-06 18:35:32,003 INFO L226 Difference]: Without dead ends: 1761 [2021-01-06 18:35:32,008 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 18:35:32,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2021-01-06 18:35:32,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 895. [2021-01-06 18:35:32,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2021-01-06 18:35:32,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1520 transitions. [2021-01-06 18:35:32,080 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1520 transitions. Word has length 60 [2021-01-06 18:35:32,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:32,081 INFO L481 AbstractCegarLoop]: Abstraction has 895 states and 1520 transitions. [2021-01-06 18:35:32,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1520 transitions. [2021-01-06 18:35:32,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-01-06 18:35:32,083 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:32,083 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:32,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:35:32,085 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 18:35:32,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:32,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1372824377, now seen corresponding path program 1 times [2021-01-06 18:35:32,090 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:32,090 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454409713] [2021-01-06 18:35:32,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:32,240 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 18:35:32,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454409713] [2021-01-06 18:35:32,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:32,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:32,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203744033] [2021-01-06 18:35:32,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:32,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:32,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:32,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:32,244 INFO L87 Difference]: Start difference. First operand 895 states and 1520 transitions. Second operand 3 states. [2021-01-06 18:35:32,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:32,327 INFO L93 Difference]: Finished difference Result 1505 states and 2527 transitions. [2021-01-06 18:35:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:32,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2021-01-06 18:35:32,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:32,334 INFO L225 Difference]: With dead ends: 1505 [2021-01-06 18:35:32,334 INFO L226 Difference]: Without dead ends: 898 [2021-01-06 18:35:32,337 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 18:35:32,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2021-01-06 18:35:32,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 897. [2021-01-06 18:35:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2021-01-06 18:35:32,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1522 transitions. [2021-01-06 18:35:32,408 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1522 transitions. Word has length 61 [2021-01-06 18:35:32,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:32,411 INFO L481 AbstractCegarLoop]: Abstraction has 897 states and 1522 transitions. [2021-01-06 18:35:32,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:32,411 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1522 transitions. [2021-01-06 18:35:32,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-01-06 18:35:32,413 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:32,413 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] [2021-01-06 18:35:32,413 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:35:32,413 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 18:35:32,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:32,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1623526311, now seen corresponding path program 1 times [2021-01-06 18:35:32,414 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:32,414 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623413517] [2021-01-06 18:35:32,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:32,513 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 18:35:32,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623413517] [2021-01-06 18:35:32,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:32,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:32,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102001568] [2021-01-06 18:35:32,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:32,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:32,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:32,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:32,516 INFO L87 Difference]: Start difference. First operand 897 states and 1522 transitions. Second operand 3 states. [2021-01-06 18:35:32,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:32,647 INFO L93 Difference]: Finished difference Result 2577 states and 4390 transitions. [2021-01-06 18:35:32,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:32,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2021-01-06 18:35:32,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:32,658 INFO L225 Difference]: With dead ends: 2577 [2021-01-06 18:35:32,659 INFO L226 Difference]: Without dead ends: 1711 [2021-01-06 18:35:32,662 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 18:35:32,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2021-01-06 18:35:32,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1104. [2021-01-06 18:35:32,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2021-01-06 18:35:32,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1904 transitions. [2021-01-06 18:35:32,745 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1904 transitions. Word has length 69 [2021-01-06 18:35:32,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:32,746 INFO L481 AbstractCegarLoop]: Abstraction has 1104 states and 1904 transitions. [2021-01-06 18:35:32,746 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:32,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1904 transitions. [2021-01-06 18:35:32,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-01-06 18:35:32,748 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:32,748 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] [2021-01-06 18:35:32,748 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:35:32,749 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 18:35:32,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:32,749 INFO L82 PathProgramCache]: Analyzing trace with hash 1125549126, now seen corresponding path program 1 times [2021-01-06 18:35:32,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:32,750 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1414565530] [2021-01-06 18:35:32,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:32,876 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 18:35:32,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1414565530] [2021-01-06 18:35:32,883 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:32,883 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:32,883 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97739274] [2021-01-06 18:35:32,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:32,884 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:32,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:32,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:32,887 INFO L87 Difference]: Start difference. First operand 1104 states and 1904 transitions. Second operand 5 states. [2021-01-06 18:35:33,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:33,252 INFO L93 Difference]: Finished difference Result 3242 states and 5618 transitions. [2021-01-06 18:35:33,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:33,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2021-01-06 18:35:33,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:33,266 INFO L225 Difference]: With dead ends: 3242 [2021-01-06 18:35:33,266 INFO L226 Difference]: Without dead ends: 2169 [2021-01-06 18:35:33,268 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 18:35:33,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2169 states. [2021-01-06 18:35:33,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 1104. [2021-01-06 18:35:33,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2021-01-06 18:35:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1902 transitions. [2021-01-06 18:35:33,361 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1902 transitions. Word has length 70 [2021-01-06 18:35:33,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:33,365 INFO L481 AbstractCegarLoop]: Abstraction has 1104 states and 1902 transitions. [2021-01-06 18:35:33,366 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:33,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1902 transitions. [2021-01-06 18:35:33,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:35:33,374 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:33,374 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] [2021-01-06 18:35:33,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:35:33,375 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 18:35:33,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:33,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1911341277, now seen corresponding path program 1 times [2021-01-06 18:35:33,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:33,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798127288] [2021-01-06 18:35:33,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:33,446 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 18:35:33,446 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798127288] [2021-01-06 18:35:33,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:33,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:33,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632242964] [2021-01-06 18:35:33,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:33,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:33,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:33,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:33,448 INFO L87 Difference]: Start difference. First operand 1104 states and 1902 transitions. Second operand 3 states. [2021-01-06 18:35:33,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:33,602 INFO L93 Difference]: Finished difference Result 3240 states and 5610 transitions. [2021-01-06 18:35:33,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:33,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2021-01-06 18:35:33,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:33,616 INFO L225 Difference]: With dead ends: 3240 [2021-01-06 18:35:33,616 INFO L226 Difference]: Without dead ends: 2167 [2021-01-06 18:35:33,619 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 18:35:33,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2167 states. [2021-01-06 18:35:33,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2167 to 1560. [2021-01-06 18:35:33,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1560 states. [2021-01-06 18:35:33,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1560 states and 2743 transitions. [2021-01-06 18:35:33,734 INFO L78 Accepts]: Start accepts. Automaton has 1560 states and 2743 transitions. Word has length 71 [2021-01-06 18:35:33,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:33,735 INFO L481 AbstractCegarLoop]: Abstraction has 1560 states and 2743 transitions. [2021-01-06 18:35:33,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:33,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1560 states and 2743 transitions. [2021-01-06 18:35:33,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-01-06 18:35:33,738 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:33,738 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] [2021-01-06 18:35:33,738 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:35:33,739 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 18:35:33,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:33,739 INFO L82 PathProgramCache]: Analyzing trace with hash 1016522747, now seen corresponding path program 1 times [2021-01-06 18:35:33,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:33,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610573868] [2021-01-06 18:35:33,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:33,825 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 18:35:33,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610573868] [2021-01-06 18:35:33,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424339957] [2021-01-06 18:35:33,826 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 18:35:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:34,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 996 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:35:34,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:35:34,377 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 18:35:34,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:35:34,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:35:34,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131991010] [2021-01-06 18:35:34,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:34,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:34,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:34,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:34,386 INFO L87 Difference]: Start difference. First operand 1560 states and 2743 transitions. Second operand 5 states. [2021-01-06 18:35:34,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:34,656 INFO L93 Difference]: Finished difference Result 3040 states and 5234 transitions. [2021-01-06 18:35:34,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:35:34,657 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2021-01-06 18:35:34,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:34,672 INFO L225 Difference]: With dead ends: 3040 [2021-01-06 18:35:34,672 INFO L226 Difference]: Without dead ends: 2433 [2021-01-06 18:35:34,675 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 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 18:35:34,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2433 states. [2021-01-06 18:35:34,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2433 to 1823. [2021-01-06 18:35:34,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2021-01-06 18:35:34,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 3222 transitions. [2021-01-06 18:35:34,833 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 3222 transitions. Word has length 71 [2021-01-06 18:35:34,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:34,834 INFO L481 AbstractCegarLoop]: Abstraction has 1823 states and 3222 transitions. [2021-01-06 18:35:34,834 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:34,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 3222 transitions. [2021-01-06 18:35:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-01-06 18:35:34,838 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:34,840 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:35,054 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:35:35,055 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 18:35:35,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:35,057 INFO L82 PathProgramCache]: Analyzing trace with hash -493792424, now seen corresponding path program 1 times [2021-01-06 18:35:35,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:35,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361703003] [2021-01-06 18:35:35,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:35,149 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 18:35:35,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361703003] [2021-01-06 18:35:35,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:35,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:35,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645465381] [2021-01-06 18:35:35,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:35,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:35,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:35,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:35,152 INFO L87 Difference]: Start difference. First operand 1823 states and 3222 transitions. Second operand 3 states. [2021-01-06 18:35:35,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:35,447 INFO L93 Difference]: Finished difference Result 5056 states and 8951 transitions. [2021-01-06 18:35:35,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:35,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 75 [2021-01-06 18:35:35,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:35,468 INFO L225 Difference]: With dead ends: 5056 [2021-01-06 18:35:35,469 INFO L226 Difference]: Without dead ends: 3334 [2021-01-06 18:35:35,473 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 18:35:35,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3334 states. [2021-01-06 18:35:35,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3334 to 2727. [2021-01-06 18:35:35,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2727 states. [2021-01-06 18:35:35,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2727 states and 4883 transitions. [2021-01-06 18:35:35,677 INFO L78 Accepts]: Start accepts. Automaton has 2727 states and 4883 transitions. Word has length 75 [2021-01-06 18:35:35,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:35,678 INFO L481 AbstractCegarLoop]: Abstraction has 2727 states and 4883 transitions. [2021-01-06 18:35:35,679 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:35,679 INFO L276 IsEmpty]: Start isEmpty. Operand 2727 states and 4883 transitions. [2021-01-06 18:35:35,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 18:35:35,684 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:35,684 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:35,684 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-01-06 18:35:35,684 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 18:35:35,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:35,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1382076632, now seen corresponding path program 1 times [2021-01-06 18:35:35,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:35,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350485146] [2021-01-06 18:35:35,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:35,788 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 18:35:35,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350485146] [2021-01-06 18:35:35,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:35,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:35,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376468330] [2021-01-06 18:35:35,795 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:35,795 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:35,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:35,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:35,796 INFO L87 Difference]: Start difference. First operand 2727 states and 4883 transitions. Second operand 3 states. [2021-01-06 18:35:36,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:36,145 INFO L93 Difference]: Finished difference Result 7504 states and 13453 transitions. [2021-01-06 18:35:36,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:36,146 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 76 [2021-01-06 18:35:36,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:36,172 INFO L225 Difference]: With dead ends: 7504 [2021-01-06 18:35:36,172 INFO L226 Difference]: Without dead ends: 4912 [2021-01-06 18:35:36,177 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 18:35:36,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4912 states. [2021-01-06 18:35:36,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4912 to 4305. [2021-01-06 18:35:36,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4305 states. [2021-01-06 18:35:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4305 states to 4305 states and 7780 transitions. [2021-01-06 18:35:36,466 INFO L78 Accepts]: Start accepts. Automaton has 4305 states and 7780 transitions. Word has length 76 [2021-01-06 18:35:36,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:36,466 INFO L481 AbstractCegarLoop]: Abstraction has 4305 states and 7780 transitions. [2021-01-06 18:35:36,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:36,466 INFO L276 IsEmpty]: Start isEmpty. Operand 4305 states and 7780 transitions. [2021-01-06 18:35:36,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-01-06 18:35:36,473 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:36,473 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:36,474 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:35:36,474 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 18:35:36,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:36,474 INFO L82 PathProgramCache]: Analyzing trace with hash -802677687, now seen corresponding path program 1 times [2021-01-06 18:35:36,475 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:36,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203258324] [2021-01-06 18:35:36,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:36,553 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 18:35:36,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203258324] [2021-01-06 18:35:36,554 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:36,554 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:36,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67693492] [2021-01-06 18:35:36,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:36,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:36,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:36,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:36,556 INFO L87 Difference]: Start difference. First operand 4305 states and 7780 transitions. Second operand 3 states. [2021-01-06 18:35:36,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:36,996 INFO L93 Difference]: Finished difference Result 11954 states and 21627 transitions. [2021-01-06 18:35:36,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:36,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2021-01-06 18:35:36,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:37,026 INFO L225 Difference]: With dead ends: 11954 [2021-01-06 18:35:37,026 INFO L226 Difference]: Without dead ends: 7818 [2021-01-06 18:35:37,034 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 18:35:37,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7818 states. [2021-01-06 18:35:37,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7818 to 7211. [2021-01-06 18:35:37,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7211 states. [2021-01-06 18:35:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7211 states to 7211 states and 13109 transitions. [2021-01-06 18:35:37,479 INFO L78 Accepts]: Start accepts. Automaton has 7211 states and 13109 transitions. Word has length 77 [2021-01-06 18:35:37,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:37,480 INFO L481 AbstractCegarLoop]: Abstraction has 7211 states and 13109 transitions. [2021-01-06 18:35:37,480 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 7211 states and 13109 transitions. [2021-01-06 18:35:37,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-01-06 18:35:37,489 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:37,489 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] [2021-01-06 18:35:37,489 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:35:37,490 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 18:35:37,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:37,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1188061015, now seen corresponding path program 1 times [2021-01-06 18:35:37,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:37,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004991849] [2021-01-06 18:35:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:37,562 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 18:35:37,563 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004991849] [2021-01-06 18:35:37,563 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:37,563 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:37,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541413338] [2021-01-06 18:35:37,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:37,566 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:37,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:37,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:37,568 INFO L87 Difference]: Start difference. First operand 7211 states and 13109 transitions. Second operand 3 states. [2021-01-06 18:35:38,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:38,213 INFO L93 Difference]: Finished difference Result 20998 states and 38225 transitions. [2021-01-06 18:35:38,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:38,214 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 78 [2021-01-06 18:35:38,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:38,259 INFO L225 Difference]: With dead ends: 20998 [2021-01-06 18:35:38,260 INFO L226 Difference]: Without dead ends: 13964 [2021-01-06 18:35:38,362 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 18:35:38,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13964 states. [2021-01-06 18:35:39,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13964 to 13357. [2021-01-06 18:35:39,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13357 states. [2021-01-06 18:35:39,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13357 states to 13357 states and 24374 transitions. [2021-01-06 18:35:39,135 INFO L78 Accepts]: Start accepts. Automaton has 13357 states and 24374 transitions. Word has length 78 [2021-01-06 18:35:39,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:39,136 INFO L481 AbstractCegarLoop]: Abstraction has 13357 states and 24374 transitions. [2021-01-06 18:35:39,136 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:39,136 INFO L276 IsEmpty]: Start isEmpty. Operand 13357 states and 24374 transitions. [2021-01-06 18:35:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-01-06 18:35:39,148 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:39,148 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:39,149 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:35:39,149 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 18:35:39,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:39,149 INFO L82 PathProgramCache]: Analyzing trace with hash -2095592328, now seen corresponding path program 1 times [2021-01-06 18:35:39,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:39,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100868868] [2021-01-06 18:35:39,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:39,228 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 18:35:39,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100868868] [2021-01-06 18:35:39,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:39,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:39,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203002042] [2021-01-06 18:35:39,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:39,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:39,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:39,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:39,230 INFO L87 Difference]: Start difference. First operand 13357 states and 24374 transitions. Second operand 3 states. [2021-01-06 18:35:40,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:40,748 INFO L93 Difference]: Finished difference Result 39266 states and 71719 transitions. [2021-01-06 18:35:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:40,749 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 79 [2021-01-06 18:35:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:40,836 INFO L225 Difference]: With dead ends: 39266 [2021-01-06 18:35:40,837 INFO L226 Difference]: Without dead ends: 26094 [2021-01-06 18:35:40,858 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 18:35:40,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26094 states. [2021-01-06 18:35:42,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26094 to 25487. [2021-01-06 18:35:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25487 states. [2021-01-06 18:35:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25487 states to 25487 states and 46583 transitions. [2021-01-06 18:35:42,451 INFO L78 Accepts]: Start accepts. Automaton has 25487 states and 46583 transitions. Word has length 79 [2021-01-06 18:35:42,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:42,451 INFO L481 AbstractCegarLoop]: Abstraction has 25487 states and 46583 transitions. [2021-01-06 18:35:42,451 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:42,451 INFO L276 IsEmpty]: Start isEmpty. Operand 25487 states and 46583 transitions. [2021-01-06 18:35:42,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-01-06 18:35:42,475 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:42,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:42,476 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:35:42,476 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 18:35:42,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:42,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1863774408, now seen corresponding path program 1 times [2021-01-06 18:35:42,477 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:42,477 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191357350] [2021-01-06 18:35:42,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:42,560 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 18:35:42,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191357350] [2021-01-06 18:35:42,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:42,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:42,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695369719] [2021-01-06 18:35:42,562 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:42,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:42,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:42,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:42,563 INFO L87 Difference]: Start difference. First operand 25487 states and 46583 transitions. Second operand 3 states. [2021-01-06 18:35:44,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:44,792 INFO L93 Difference]: Finished difference Result 70295 states and 128082 transitions. [2021-01-06 18:35:44,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:35:44,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 80 [2021-01-06 18:35:44,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:44,952 INFO L225 Difference]: With dead ends: 70295 [2021-01-06 18:35:44,952 INFO L226 Difference]: Without dead ends: 45040 [2021-01-06 18:35:44,995 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 18:35:45,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45040 states. [2021-01-06 18:35:47,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45040 to 44433. [2021-01-06 18:35:47,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44433 states. [2021-01-06 18:35:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44433 states to 44433 states and 80760 transitions. [2021-01-06 18:35:47,379 INFO L78 Accepts]: Start accepts. Automaton has 44433 states and 80760 transitions. Word has length 80 [2021-01-06 18:35:47,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:47,379 INFO L481 AbstractCegarLoop]: Abstraction has 44433 states and 80760 transitions. [2021-01-06 18:35:47,379 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:35:47,379 INFO L276 IsEmpty]: Start isEmpty. Operand 44433 states and 80760 transitions. [2021-01-06 18:35:47,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:35:47,396 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:47,396 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:35:47,397 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:35:47,397 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 18:35:47,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:47,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1715832033, now seen corresponding path program 1 times [2021-01-06 18:35:47,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:47,398 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340936078] [2021-01-06 18:35:47,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:47,493 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 18:35:47,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340936078] [2021-01-06 18:35:47,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:47,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:47,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936540358] [2021-01-06 18:35:47,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:47,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:47,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:47,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:47,496 INFO L87 Difference]: Start difference. First operand 44433 states and 80760 transitions. Second operand 5 states. [2021-01-06 18:35:50,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:50,781 INFO L93 Difference]: Finished difference Result 130908 states and 237915 transitions. [2021-01-06 18:35:50,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:35:50,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2021-01-06 18:35:50,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:51,096 INFO L225 Difference]: With dead ends: 130908 [2021-01-06 18:35:51,096 INFO L226 Difference]: Without dead ends: 86775 [2021-01-06 18:35:51,157 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 18:35:51,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86775 states. [2021-01-06 18:35:53,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86775 to 44433. [2021-01-06 18:35:53,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44433 states. [2021-01-06 18:35:53,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44433 states to 44433 states and 80502 transitions. [2021-01-06 18:35:53,689 INFO L78 Accepts]: Start accepts. Automaton has 44433 states and 80502 transitions. Word has length 81 [2021-01-06 18:35:53,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:53,689 INFO L481 AbstractCegarLoop]: Abstraction has 44433 states and 80502 transitions. [2021-01-06 18:35:53,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:53,689 INFO L276 IsEmpty]: Start isEmpty. Operand 44433 states and 80502 transitions. [2021-01-06 18:35:53,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:35:53,704 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:53,704 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] [2021-01-06 18:35:53,704 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:35:53,704 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 18:35:53,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:53,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1684316733, now seen corresponding path program 2 times [2021-01-06 18:35:53,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:53,705 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698969188] [2021-01-06 18:35:53,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:53,792 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 18:35:53,792 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698969188] [2021-01-06 18:35:53,792 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:53,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:35:53,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783217729] [2021-01-06 18:35:53,793 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:35:53,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:53,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:35:53,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:35:53,794 INFO L87 Difference]: Start difference. First operand 44433 states and 80502 transitions. Second operand 5 states. [2021-01-06 18:35:55,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:35:55,662 INFO L93 Difference]: Finished difference Result 89167 states and 161484 transitions. [2021-01-06 18:35:55,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:35:55,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 81 [2021-01-06 18:35:55,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:35:55,752 INFO L225 Difference]: With dead ends: 89167 [2021-01-06 18:35:55,753 INFO L226 Difference]: Without dead ends: 45040 [2021-01-06 18:35:55,791 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 18:35:55,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45040 states. [2021-01-06 18:35:57,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45040 to 44433. [2021-01-06 18:35:57,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44433 states. [2021-01-06 18:35:57,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44433 states to 44433 states and 80374 transitions. [2021-01-06 18:35:57,793 INFO L78 Accepts]: Start accepts. Automaton has 44433 states and 80374 transitions. Word has length 81 [2021-01-06 18:35:57,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:35:57,793 INFO L481 AbstractCegarLoop]: Abstraction has 44433 states and 80374 transitions. [2021-01-06 18:35:57,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:35:57,793 INFO L276 IsEmpty]: Start isEmpty. Operand 44433 states and 80374 transitions. [2021-01-06 18:35:57,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-01-06 18:35:57,804 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:35:57,804 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] [2021-01-06 18:35:57,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:35:57,805 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 18:35:57,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:35:57,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1517057814, now seen corresponding path program 1 times [2021-01-06 18:35:57,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:35:57,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525113166] [2021-01-06 18:35:57,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:35:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:35:57,892 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 18:35:57,893 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525113166] [2021-01-06 18:35:57,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:35:57,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:35:57,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799575959] [2021-01-06 18:35:57,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:35:57,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:35:57,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:35:57,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:35:57,895 INFO L87 Difference]: Start difference. First operand 44433 states and 80374 transitions. Second operand 3 states. [2021-01-06 18:36:00,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:00,900 INFO L93 Difference]: Finished difference Result 124793 states and 225558 transitions. [2021-01-06 18:36:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:00,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2021-01-06 18:36:00,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:01,062 INFO L225 Difference]: With dead ends: 124793 [2021-01-06 18:36:01,062 INFO L226 Difference]: Without dead ends: 80626 [2021-01-06 18:36:01,112 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 18:36:01,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80626 states. [2021-01-06 18:36:04,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80626 to 80019. [2021-01-06 18:36:04,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80019 states. [2021-01-06 18:36:05,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80019 states to 80019 states and 144375 transitions. [2021-01-06 18:36:05,052 INFO L78 Accepts]: Start accepts. Automaton has 80019 states and 144375 transitions. Word has length 81 [2021-01-06 18:36:05,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:05,052 INFO L481 AbstractCegarLoop]: Abstraction has 80019 states and 144375 transitions. [2021-01-06 18:36:05,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:36:05,052 INFO L276 IsEmpty]: Start isEmpty. Operand 80019 states and 144375 transitions. [2021-01-06 18:36:05,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-01-06 18:36:05,063 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:05,063 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] [2021-01-06 18:36:05,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:36:05,063 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 18:36:05,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:05,064 INFO L82 PathProgramCache]: Analyzing trace with hash -2089630845, now seen corresponding path program 1 times [2021-01-06 18:36:05,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:05,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521380225] [2021-01-06 18:36:05,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:05,152 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 18:36:05,152 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521380225] [2021-01-06 18:36:05,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:05,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:36:05,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161988923] [2021-01-06 18:36:05,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:36:05,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:05,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:36:05,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:36:05,154 INFO L87 Difference]: Start difference. First operand 80019 states and 144375 transitions. Second operand 6 states. [2021-01-06 18:36:07,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:07,987 INFO L93 Difference]: Finished difference Result 80502 states and 145162 transitions. [2021-01-06 18:36:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:36:07,987 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 82 [2021-01-06 18:36:07,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:08,098 INFO L225 Difference]: With dead ends: 80502 [2021-01-06 18:36:08,098 INFO L226 Difference]: Without dead ends: 80019 [2021-01-06 18:36:08,113 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:36:08,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80019 states. [2021-01-06 18:36:11,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80019 to 80019. [2021-01-06 18:36:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80019 states. [2021-01-06 18:36:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80019 states to 80019 states and 144369 transitions. [2021-01-06 18:36:11,748 INFO L78 Accepts]: Start accepts. Automaton has 80019 states and 144369 transitions. Word has length 82 [2021-01-06 18:36:11,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:11,762 INFO L481 AbstractCegarLoop]: Abstraction has 80019 states and 144369 transitions. [2021-01-06 18:36:11,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:36:11,762 INFO L276 IsEmpty]: Start isEmpty. Operand 80019 states and 144369 transitions. [2021-01-06 18:36:11,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-01-06 18:36:11,781 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:11,782 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] [2021-01-06 18:36:11,782 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:36:11,782 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 18:36:11,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:11,782 INFO L82 PathProgramCache]: Analyzing trace with hash 1756109961, now seen corresponding path program 1 times [2021-01-06 18:36:11,783 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:11,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449554844] [2021-01-06 18:36:11,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:12,013 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 18:36:12,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449554844] [2021-01-06 18:36:12,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:12,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:36:12,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616091283] [2021-01-06 18:36:12,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:36:12,015 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:12,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:36:12,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:36:12,016 INFO L87 Difference]: Start difference. First operand 80019 states and 144369 transitions. Second operand 11 states. [2021-01-06 18:36:18,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:18,009 INFO L93 Difference]: Finished difference Result 85152 states and 152777 transitions. [2021-01-06 18:36:18,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-01-06 18:36:18,012 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 85 [2021-01-06 18:36:18,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:18,159 INFO L225 Difference]: With dead ends: 85152 [2021-01-06 18:36:18,159 INFO L226 Difference]: Without dead ends: 84679 [2021-01-06 18:36:18,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=466, Invalid=1340, Unknown=0, NotChecked=0, Total=1806 [2021-01-06 18:36:18,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84679 states. [2021-01-06 18:36:21,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84679 to 80713. [2021-01-06 18:36:21,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80713 states. [2021-01-06 18:36:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80713 states to 80713 states and 145516 transitions. [2021-01-06 18:36:21,777 INFO L78 Accepts]: Start accepts. Automaton has 80713 states and 145516 transitions. Word has length 85 [2021-01-06 18:36:21,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:21,778 INFO L481 AbstractCegarLoop]: Abstraction has 80713 states and 145516 transitions. [2021-01-06 18:36:21,778 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:36:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 80713 states and 145516 transitions. [2021-01-06 18:36:21,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:36:21,788 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:21,788 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] [2021-01-06 18:36:21,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:36:21,789 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 18:36:21,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:21,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1146147673, now seen corresponding path program 1 times [2021-01-06 18:36:21,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:21,790 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676362000] [2021-01-06 18:36:21,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:36:21,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676362000] [2021-01-06 18:36:21,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:21,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:36:21,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523072040] [2021-01-06 18:36:21,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:36:21,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:21,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:36:21,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:36:21,929 INFO L87 Difference]: Start difference. First operand 80713 states and 145516 transitions. Second operand 8 states. [2021-01-06 18:36:27,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:27,566 INFO L93 Difference]: Finished difference Result 129163 states and 231401 transitions. [2021-01-06 18:36:27,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 18:36:27,566 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2021-01-06 18:36:27,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:27,803 INFO L225 Difference]: With dead ends: 129163 [2021-01-06 18:36:27,804 INFO L226 Difference]: Without dead ends: 128177 [2021-01-06 18:36:27,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2021-01-06 18:36:27,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128177 states. [2021-01-06 18:36:33,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128177 to 121165. [2021-01-06 18:36:33,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121165 states. [2021-01-06 18:36:33,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121165 states to 121165 states and 218283 transitions. [2021-01-06 18:36:33,858 INFO L78 Accepts]: Start accepts. Automaton has 121165 states and 218283 transitions. Word has length 86 [2021-01-06 18:36:33,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:33,859 INFO L481 AbstractCegarLoop]: Abstraction has 121165 states and 218283 transitions. [2021-01-06 18:36:33,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:36:33,859 INFO L276 IsEmpty]: Start isEmpty. Operand 121165 states and 218283 transitions. [2021-01-06 18:36:33,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:36:33,874 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:33,874 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] [2021-01-06 18:36:33,874 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:36:33,874 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 18:36:33,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:33,875 INFO L82 PathProgramCache]: Analyzing trace with hash 1513498352, now seen corresponding path program 1 times [2021-01-06 18:36:33,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:33,875 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528226183] [2021-01-06 18:36:33,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:33,982 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 18:36:33,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528226183] [2021-01-06 18:36:33,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:33,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:36:33,983 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755911055] [2021-01-06 18:36:33,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:36:33,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:33,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:36:33,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:36:33,985 INFO L87 Difference]: Start difference. First operand 121165 states and 218283 transitions. Second operand 8 states. [2021-01-06 18:36:38,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:38,715 INFO L93 Difference]: Finished difference Result 124537 states and 223798 transitions. [2021-01-06 18:36:38,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-06 18:36:38,716 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2021-01-06 18:36:38,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:38,964 INFO L225 Difference]: With dead ends: 124537 [2021-01-06 18:36:38,964 INFO L226 Difference]: Without dead ends: 122023 [2021-01-06 18:36:39,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2021-01-06 18:36:39,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122023 states. [2021-01-06 18:36:44,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122023 to 120813. [2021-01-06 18:36:44,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120813 states. [2021-01-06 18:36:44,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120813 states to 120813 states and 217681 transitions. [2021-01-06 18:36:44,466 INFO L78 Accepts]: Start accepts. Automaton has 120813 states and 217681 transitions. Word has length 86 [2021-01-06 18:36:44,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:36:44,466 INFO L481 AbstractCegarLoop]: Abstraction has 120813 states and 217681 transitions. [2021-01-06 18:36:44,466 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:36:44,466 INFO L276 IsEmpty]: Start isEmpty. Operand 120813 states and 217681 transitions. [2021-01-06 18:36:44,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-01-06 18:36:44,484 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:36:44,484 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] [2021-01-06 18:36:44,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:36:44,484 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 18:36:44,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:36:44,485 INFO L82 PathProgramCache]: Analyzing trace with hash 464236677, now seen corresponding path program 1 times [2021-01-06 18:36:44,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:36:44,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192040320] [2021-01-06 18:36:44,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:36:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:36:44,548 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 18:36:44,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192040320] [2021-01-06 18:36:44,548 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:36:44,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:36:44,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578460439] [2021-01-06 18:36:44,549 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:36:44,549 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:36:44,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:36:44,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:36:44,550 INFO L87 Difference]: Start difference. First operand 120813 states and 217681 transitions. Second operand 3 states. [2021-01-06 18:36:54,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:36:54,100 INFO L93 Difference]: Finished difference Result 358013 states and 645140 transitions. [2021-01-06 18:36:54,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:36:54,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2021-01-06 18:36:54,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:36:54,699 INFO L225 Difference]: With dead ends: 358013 [2021-01-06 18:36:54,699 INFO L226 Difference]: Without dead ends: 237477 [2021-01-06 18:36:54,818 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 18:36:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237477 states. [2021-01-06 18:37:05,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237477 to 235247. [2021-01-06 18:37:05,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235247 states. [2021-01-06 18:37:06,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235247 states to 235247 states and 423506 transitions. [2021-01-06 18:37:06,079 INFO L78 Accepts]: Start accepts. Automaton has 235247 states and 423506 transitions. Word has length 86 [2021-01-06 18:37:06,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:06,079 INFO L481 AbstractCegarLoop]: Abstraction has 235247 states and 423506 transitions. [2021-01-06 18:37:06,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:37:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 235247 states and 423506 transitions. [2021-01-06 18:37:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:37:06,104 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:06,104 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] [2021-01-06 18:37:06,104 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:37:06,104 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 18:37:06,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:06,105 INFO L82 PathProgramCache]: Analyzing trace with hash -276407516, now seen corresponding path program 1 times [2021-01-06 18:37:06,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:06,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992868591] [2021-01-06 18:37:06,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:06,693 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 18:37:06,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992868591] [2021-01-06 18:37:06,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:06,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-01-06 18:37:06,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721315978] [2021-01-06 18:37:06,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-01-06 18:37:06,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:06,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-01-06 18:37:06,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:37:06,695 INFO L87 Difference]: Start difference. First operand 235247 states and 423506 transitions. Second operand 10 states. [2021-01-06 18:37:18,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:18,703 INFO L93 Difference]: Finished difference Result 243500 states and 437024 transitions. [2021-01-06 18:37:18,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-01-06 18:37:18,704 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 87 [2021-01-06 18:37:18,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:19,472 INFO L225 Difference]: With dead ends: 243500 [2021-01-06 18:37:19,472 INFO L226 Difference]: Without dead ends: 241636 [2021-01-06 18:37:19,539 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 284 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=367, Invalid=965, Unknown=0, NotChecked=0, Total=1332 [2021-01-06 18:37:19,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241636 states. [2021-01-06 18:37:29,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241636 to 236469. [2021-01-06 18:37:29,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236469 states. [2021-01-06 18:37:30,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236469 states to 236469 states and 425507 transitions. [2021-01-06 18:37:30,960 INFO L78 Accepts]: Start accepts. Automaton has 236469 states and 425507 transitions. Word has length 87 [2021-01-06 18:37:30,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:30,961 INFO L481 AbstractCegarLoop]: Abstraction has 236469 states and 425507 transitions. [2021-01-06 18:37:30,961 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-01-06 18:37:30,961 INFO L276 IsEmpty]: Start isEmpty. Operand 236469 states and 425507 transitions. [2021-01-06 18:37:30,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:37:30,984 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:30,985 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] [2021-01-06 18:37:30,985 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:37:30,985 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 18:37:30,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:30,998 INFO L82 PathProgramCache]: Analyzing trace with hash 618921141, now seen corresponding path program 1 times [2021-01-06 18:37:30,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:30,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230522309] [2021-01-06 18:37:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:37:31,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230522309] [2021-01-06 18:37:31,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:31,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:37:31,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496981740] [2021-01-06 18:37:31,075 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:37:31,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:31,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:37:31,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:37:31,076 INFO L87 Difference]: Start difference. First operand 236469 states and 425507 transitions. Second operand 4 states. [2021-01-06 18:37:37,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:37,856 INFO L93 Difference]: Finished difference Result 238279 states and 428442 transitions. [2021-01-06 18:37:37,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:37:37,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2021-01-06 18:37:37,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:38,190 INFO L225 Difference]: With dead ends: 238279 [2021-01-06 18:37:38,190 INFO L226 Difference]: Without dead ends: 158953 [2021-01-06 18:37:38,266 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 18:37:38,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158953 states. [2021-01-06 18:37:45,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158953 to 158897. [2021-01-06 18:37:45,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158897 states. [2021-01-06 18:37:46,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158897 states to 158897 states and 285213 transitions. [2021-01-06 18:37:46,137 INFO L78 Accepts]: Start accepts. Automaton has 158897 states and 285213 transitions. Word has length 87 [2021-01-06 18:37:46,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:37:46,138 INFO L481 AbstractCegarLoop]: Abstraction has 158897 states and 285213 transitions. [2021-01-06 18:37:46,138 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:37:46,138 INFO L276 IsEmpty]: Start isEmpty. Operand 158897 states and 285213 transitions. [2021-01-06 18:37:46,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-01-06 18:37:46,169 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:37:46,169 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] [2021-01-06 18:37:46,170 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:37:46,170 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 18:37:46,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:37:46,170 INFO L82 PathProgramCache]: Analyzing trace with hash 1089030557, now seen corresponding path program 1 times [2021-01-06 18:37:46,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:37:46,171 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616846049] [2021-01-06 18:37:46,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:37:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:37:46,247 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 18:37:46,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616846049] [2021-01-06 18:37:46,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:37:46,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:37:46,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328864578] [2021-01-06 18:37:46,249 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:37:46,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:37:46,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:37:46,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:37:46,250 INFO L87 Difference]: Start difference. First operand 158897 states and 285213 transitions. Second operand 3 states. [2021-01-06 18:37:57,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:37:57,187 INFO L93 Difference]: Finished difference Result 289189 states and 517182 transitions. [2021-01-06 18:37:57,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:37:57,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2021-01-06 18:37:57,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:37:58,092 INFO L225 Difference]: With dead ends: 289189 [2021-01-06 18:37:58,092 INFO L226 Difference]: Without dead ends: 285737 [2021-01-06 18:37:58,168 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 18:37:58,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285737 states. [2021-01-06 18:38:10,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285737 to 282285. [2021-01-06 18:38:10,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282285 states. [2021-01-06 18:38:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282285 states to 282285 states and 504855 transitions. [2021-01-06 18:38:11,704 INFO L78 Accepts]: Start accepts. Automaton has 282285 states and 504855 transitions. Word has length 87 [2021-01-06 18:38:11,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:11,704 INFO L481 AbstractCegarLoop]: Abstraction has 282285 states and 504855 transitions. [2021-01-06 18:38:11,704 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:38:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand 282285 states and 504855 transitions. [2021-01-06 18:38:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:38:11,717 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:11,717 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] [2021-01-06 18:38:11,717 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:38:11,718 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 18:38:11,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:11,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1484172248, now seen corresponding path program 1 times [2021-01-06 18:38:11,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:11,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646472154] [2021-01-06 18:38:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:11,789 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 18:38:11,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646472154] [2021-01-06 18:38:11,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:11,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:38:11,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370322536] [2021-01-06 18:38:11,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:38:11,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:11,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:38:11,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:38:11,791 INFO L87 Difference]: Start difference. First operand 282285 states and 504855 transitions. Second operand 4 states. [2021-01-06 18:38:24,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:24,277 INFO L93 Difference]: Finished difference Result 284582 states and 508588 transitions. [2021-01-06 18:38:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:38:24,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2021-01-06 18:38:24,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:24,966 INFO L225 Difference]: With dead ends: 284582 [2021-01-06 18:38:24,966 INFO L226 Difference]: Without dead ends: 282362 [2021-01-06 18:38:25,056 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 18:38:25,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282362 states. [2021-01-06 18:38:37,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282362 to 281253. [2021-01-06 18:38:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281253 states. [2021-01-06 18:38:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281253 states to 281253 states and 503157 transitions. [2021-01-06 18:38:38,845 INFO L78 Accepts]: Start accepts. Automaton has 281253 states and 503157 transitions. Word has length 88 [2021-01-06 18:38:38,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:38:38,845 INFO L481 AbstractCegarLoop]: Abstraction has 281253 states and 503157 transitions. [2021-01-06 18:38:38,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:38:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 281253 states and 503157 transitions. [2021-01-06 18:38:38,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-01-06 18:38:38,858 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:38:38,858 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] [2021-01-06 18:38:38,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 18:38:38,858 INFO L429 AbstractCegarLoop]: === Iteration 30 === [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 18:38:38,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:38:38,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1702362451, now seen corresponding path program 1 times [2021-01-06 18:38:38,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:38:38,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72160121] [2021-01-06 18:38:38,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:38:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:38:39,044 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 18:38:39,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [72160121] [2021-01-06 18:38:39,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:38:39,044 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:38:39,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748467250] [2021-01-06 18:38:39,045 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:38:39,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:38:39,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:38:39,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:38:39,046 INFO L87 Difference]: Start difference. First operand 281253 states and 503157 transitions. Second operand 11 states. [2021-01-06 18:38:52,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:38:52,008 INFO L93 Difference]: Finished difference Result 287879 states and 513980 transitions. [2021-01-06 18:38:52,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-01-06 18:38:52,008 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 88 [2021-01-06 18:38:52,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:38:52,610 INFO L225 Difference]: With dead ends: 287879 [2021-01-06 18:38:52,610 INFO L226 Difference]: Without dead ends: 285891 [2021-01-06 18:38:52,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=417, Invalid=1223, Unknown=0, NotChecked=0, Total=1640 [2021-01-06 18:38:52,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285891 states.