/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/email_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 18:42:39,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 18:42:39,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 18:42:39,666 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 18:42:39,667 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 18:42:39,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 18:42:39,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 18:42:39,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 18:42:39,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 18:42:39,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 18:42:39,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 18:42:39,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 18:42:39,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 18:42:39,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 18:42:39,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 18:42:39,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 18:42:39,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 18:42:39,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 18:42:39,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 18:42:39,730 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 18:42:39,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 18:42:39,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 18:42:39,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 18:42:39,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 18:42:39,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 18:42:39,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 18:42:39,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 18:42:39,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 18:42:39,755 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 18:42:39,756 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 18:42:39,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 18:42:39,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 18:42:39,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 18:42:39,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 18:42:39,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 18:42:39,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 18:42:39,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 18:42:39,771 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 18:42:39,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 18:42:39,773 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 18:42:39,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 18:42:39,775 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 18:42:39,829 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 18:42:39,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 18:42:39,833 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 18:42:39,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 18:42:39,834 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 18:42:39,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 18:42:39,835 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 18:42:39,835 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 18:42:39,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 18:42:39,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 18:42:39,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 18:42:39,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 18:42:39,856 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 18:42:39,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 18:42:39,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 18:42:39,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 18:42:39,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 18:42:39,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 18:42:39,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 18:42:39,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 18:42:39,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 18:42:39,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 18:42:39,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 18:42:39,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 18:42:39,860 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 18:42:39,860 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 18:42:40,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 18:42:40,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 18:42:40,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 18:42:40,436 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 18:42:40,437 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 18:42:40,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product22.cil.c [2021-01-06 18:42:40,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9681acd7d/b4f5151f2ae74edf995012d3c64df826/FLAG4ff184f75 [2021-01-06 18:42:41,367 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 18:42:41,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product22.cil.c [2021-01-06 18:42:41,401 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9681acd7d/b4f5151f2ae74edf995012d3c64df826/FLAG4ff184f75 [2021-01-06 18:42:41,568 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9681acd7d/b4f5151f2ae74edf995012d3c64df826 [2021-01-06 18:42:41,571 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 18:42:41,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 18:42:41,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 18:42:41,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 18:42:41,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 18:42:41,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:42:41" (1/1) ... [2021-01-06 18:42:41,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf778ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:41, skipping insertion in model container [2021-01-06 18:42:41,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 06:42:41" (1/1) ... [2021-01-06 18:42:41,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 18:42:41,687 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~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_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~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_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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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_tmp3~2,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] [2021-01-06 18:42:42,461 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product22.cil.c[32915,32928] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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_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~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[~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[~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[~retValue_acc~29,] 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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~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[~__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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~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[~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[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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[~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[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] [2021-01-06 18:42:42,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:42:42,686 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] 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~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~msg~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___9~0,] left hand side expression in assignment: lhs: VariableLHS[~op1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___8~0,] left hand side expression in assignment: lhs: VariableLHS[~op2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___7~0,] left hand side expression in assignment: lhs: VariableLHS[~op3~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___6~0,] left hand side expression in assignment: lhs: VariableLHS[~op4~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___5~0,] left hand side expression in assignment: lhs: VariableLHS[~op5~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___4~0,] left hand side expression in assignment: lhs: VariableLHS[~op6~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___3~0,] left hand side expression in assignment: lhs: VariableLHS[~op7~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~1,] left hand side expression in assignment: lhs: VariableLHS[~op8~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] left hand side expression in assignment: lhs: VariableLHS[~op9~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~op10~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~op11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~__ste_Email_counter~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~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_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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__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~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] 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~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_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~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_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~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_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~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~17,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~18,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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[~retValue_acc~19,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~20,] left hand side expression in assignment: lhs: VariableLHS[~mail_is_sensitive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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_tmp3~2,] 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_tmp3~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~4,] [2021-01-06 18:42:42,788 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product22.cil.c[32915,32928] left hand side expression in assignment: lhs: VariableLHS[~__ste_Client_counter~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~22,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp3~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~23,] 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~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~24,] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_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~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~25,] left hand side expression in assignment: lhs: VariableLHS[~__ste_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~11,] left hand side expression in assignment: lhs: VariableLHS[~size~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~5,] 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[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~27,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~28,] left hand side expression in assignment: lhs: VariableLHS[~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[~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[~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_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~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[~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[~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[~retValue_acc~29,] 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~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~30,] 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~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[~__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~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_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~12,] left hand side expression in assignment: lhs: VariableLHS[~size~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~6,] 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~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[~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[~retValue_acc~34,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~34,] 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~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[~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[~retValue_acc~35,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~35,] 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[~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[~retValue_acc~36,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~36,] 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~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~37,] 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~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_idCounter0~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__ste_client_idCounter2~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg1~0,] left hand side expression in assignment: lhs: VariableLHS[~__utac__ad__arg2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~13,] 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[~receiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~5,] left hand side expression in assignment: lhs: VariableLHS[~pubkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~16,] left hand side expression in assignment: lhs: VariableLHS[~tmp~17,] left hand side expression in assignment: lhs: VariableLHS[~fwreceiver~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~18,] left hand side expression in assignment: lhs: VariableLHS[~privkey~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~19,] left hand side expression in assignment: lhs: VariableLHS[~client~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~39,] left hand side expression in assignment: lhs: VariableLHS[~tmp~20,] left hand side expression in assignment: lhs: VariableLHS[~email~0,] left hand side expression in assignment: lhs: VariableLHS[~queue_empty~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_message~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~queued_client~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~40,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~41,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~42,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~43,] left hand side expression in assignment: lhs: VariableLHS[~tmp~21,] left hand side expression in assignment: lhs: VariableLHS[~sender~0,] [2021-01-06 18:42:42,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 18:42:42,927 INFO L208 MainTranslator]: Completed translation [2021-01-06 18:42:42,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42 WrapperNode [2021-01-06 18:42:42,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 18:42:42,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 18:42:42,930 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 18:42:42,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 18:42:42,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (1/1) ... [2021-01-06 18:42:43,010 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (1/1) ... [2021-01-06 18:42:43,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 18:42:43,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 18:42:43,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 18:42:43,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 18:42:43,146 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (1/1) ... [2021-01-06 18:42:43,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (1/1) ... [2021-01-06 18:42:43,171 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (1/1) ... [2021-01-06 18:42:43,172 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (1/1) ... [2021-01-06 18:42:43,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (1/1) ... [2021-01-06 18:42:43,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (1/1) ... [2021-01-06 18:42:43,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (1/1) ... [2021-01-06 18:42:43,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 18:42:43,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 18:42:43,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 18:42:43,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 18:42:43,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (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 18:42:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-01-06 18:42:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 18:42:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 18:42:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 18:42:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 18:42:45,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 18:42:45,456 INFO L299 CfgBuilder]: Removed 319 assume(true) statements. [2021-01-06 18:42:45,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:42:45 BoogieIcfgContainer [2021-01-06 18:42:45,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 18:42:45,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 18:42:45,462 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 18:42:45,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 18:42:45,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 06:42:41" (1/3) ... [2021-01-06 18:42:45,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16eb9497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:42:45, skipping insertion in model container [2021-01-06 18:42:45,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 06:42:42" (2/3) ... [2021-01-06 18:42:45,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16eb9497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 06:42:45, skipping insertion in model container [2021-01-06 18:42:45,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 06:42:45" (3/3) ... [2021-01-06 18:42:45,470 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product22.cil.c [2021-01-06 18:42:45,477 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 18:42:45,489 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-01-06 18:42:45,508 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-01-06 18:42:45,542 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 18:42:45,542 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 18:42:45,543 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 18:42:45,543 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 18:42:45,543 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 18:42:45,543 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 18:42:45,543 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 18:42:45,544 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 18:42:45,572 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2021-01-06 18:42:45,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-01-06 18:42:45,586 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:45,587 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] [2021-01-06 18:42:45,587 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:45,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:45,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1950414624, now seen corresponding path program 1 times [2021-01-06 18:42:45,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:45,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044503441] [2021-01-06 18:42:45,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:46,052 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 18:42:46,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044503441] [2021-01-06 18:42:46,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:46,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:46,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864096483] [2021-01-06 18:42:46,060 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:46,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:46,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:46,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:46,079 INFO L87 Difference]: Start difference. First operand 477 states. Second operand 3 states. [2021-01-06 18:42:46,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:46,276 INFO L93 Difference]: Finished difference Result 1396 states and 2423 transitions. [2021-01-06 18:42:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:46,279 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 41 [2021-01-06 18:42:46,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:46,327 INFO L225 Difference]: With dead ends: 1396 [2021-01-06 18:42:46,327 INFO L226 Difference]: Without dead ends: 780 [2021-01-06 18:42:46,339 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 18:42:46,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2021-01-06 18:42:46,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 399. [2021-01-06 18:42:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-01-06 18:42:46,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 692 transitions. [2021-01-06 18:42:46,466 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 692 transitions. Word has length 41 [2021-01-06 18:42:46,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:46,467 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 692 transitions. [2021-01-06 18:42:46,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:46,467 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 692 transitions. [2021-01-06 18:42:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-01-06 18:42:46,478 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:46,479 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] [2021-01-06 18:42:46,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 18:42:46,480 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:46,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:46,482 INFO L82 PathProgramCache]: Analyzing trace with hash -44185491, now seen corresponding path program 1 times [2021-01-06 18:42:46,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:46,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070163023] [2021-01-06 18:42:46,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:46,697 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 18:42:46,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070163023] [2021-01-06 18:42:46,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:46,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:46,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224807606] [2021-01-06 18:42:46,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:46,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:46,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:46,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:46,701 INFO L87 Difference]: Start difference. First operand 399 states and 692 transitions. Second operand 5 states. [2021-01-06 18:42:46,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:46,922 INFO L93 Difference]: Finished difference Result 1146 states and 1992 transitions. [2021-01-06 18:42:46,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:42:46,923 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 43 [2021-01-06 18:42:46,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:46,929 INFO L225 Difference]: With dead ends: 1146 [2021-01-06 18:42:46,929 INFO L226 Difference]: Without dead ends: 766 [2021-01-06 18:42:46,931 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 18:42:46,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 766 states. [2021-01-06 18:42:46,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 766 to 399. [2021-01-06 18:42:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-01-06 18:42:46,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 691 transitions. [2021-01-06 18:42:46,954 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 691 transitions. Word has length 43 [2021-01-06 18:42:46,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:46,954 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 691 transitions. [2021-01-06 18:42:46,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 691 transitions. [2021-01-06 18:42:46,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-01-06 18:42:46,956 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:46,956 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:46,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 18:42:46,957 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:46,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:46,957 INFO L82 PathProgramCache]: Analyzing trace with hash -153895168, now seen corresponding path program 1 times [2021-01-06 18:42:46,958 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:46,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531908677] [2021-01-06 18:42:46,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:46,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:47,046 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 18:42:47,046 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531908677] [2021-01-06 18:42:47,047 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:47,047 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:47,047 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580740266] [2021-01-06 18:42:47,048 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:47,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:47,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:47,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:47,049 INFO L87 Difference]: Start difference. First operand 399 states and 691 transitions. Second operand 3 states. [2021-01-06 18:42:47,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:47,087 INFO L93 Difference]: Finished difference Result 780 states and 1356 transitions. [2021-01-06 18:42:47,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:47,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2021-01-06 18:42:47,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:47,091 INFO L225 Difference]: With dead ends: 780 [2021-01-06 18:42:47,091 INFO L226 Difference]: Without dead ends: 404 [2021-01-06 18:42:47,092 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 18:42:47,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2021-01-06 18:42:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 399. [2021-01-06 18:42:47,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-01-06 18:42:47,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 690 transitions. [2021-01-06 18:42:47,110 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 690 transitions. Word has length 44 [2021-01-06 18:42:47,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:47,111 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 690 transitions. [2021-01-06 18:42:47,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 690 transitions. [2021-01-06 18:42:47,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-01-06 18:42:47,112 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:47,113 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:47,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 18:42:47,113 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:47,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:47,114 INFO L82 PathProgramCache]: Analyzing trace with hash -743733638, now seen corresponding path program 1 times [2021-01-06 18:42:47,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:47,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687305964] [2021-01-06 18:42:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:47,194 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 18:42:47,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687305964] [2021-01-06 18:42:47,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:47,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:47,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879972215] [2021-01-06 18:42:47,196 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:47,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:47,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:47,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:47,197 INFO L87 Difference]: Start difference. First operand 399 states and 690 transitions. Second operand 3 states. [2021-01-06 18:42:47,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:47,237 INFO L93 Difference]: Finished difference Result 790 states and 1369 transitions. [2021-01-06 18:42:47,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:47,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2021-01-06 18:42:47,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:47,241 INFO L225 Difference]: With dead ends: 790 [2021-01-06 18:42:47,241 INFO L226 Difference]: Without dead ends: 399 [2021-01-06 18:42:47,242 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 18:42:47,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2021-01-06 18:42:47,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2021-01-06 18:42:47,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-01-06 18:42:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 688 transitions. [2021-01-06 18:42:47,262 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 688 transitions. Word has length 45 [2021-01-06 18:42:47,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:47,262 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 688 transitions. [2021-01-06 18:42:47,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:47,262 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 688 transitions. [2021-01-06 18:42:47,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-01-06 18:42:47,264 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:47,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:47,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 18:42:47,264 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:47,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:47,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1616651461, now seen corresponding path program 1 times [2021-01-06 18:42:47,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:47,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493758170] [2021-01-06 18:42:47,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:47,347 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 18:42:47,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493758170] [2021-01-06 18:42:47,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:47,349 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:47,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877365433] [2021-01-06 18:42:47,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:47,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:47,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:47,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:47,351 INFO L87 Difference]: Start difference. First operand 399 states and 688 transitions. Second operand 5 states. [2021-01-06 18:42:47,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:47,540 INFO L93 Difference]: Finished difference Result 1136 states and 1972 transitions. [2021-01-06 18:42:47,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:42:47,541 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 46 [2021-01-06 18:42:47,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:47,546 INFO L225 Difference]: With dead ends: 1136 [2021-01-06 18:42:47,546 INFO L226 Difference]: Without dead ends: 764 [2021-01-06 18:42:47,547 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 18:42:47,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 764 states. [2021-01-06 18:42:47,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 764 to 399. [2021-01-06 18:42:47,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-01-06 18:42:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 687 transitions. [2021-01-06 18:42:47,573 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 687 transitions. Word has length 46 [2021-01-06 18:42:47,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:47,574 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 687 transitions. [2021-01-06 18:42:47,574 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:47,574 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 687 transitions. [2021-01-06 18:42:47,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 18:42:47,575 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:47,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:47,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 18:42:47,576 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:47,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:47,577 INFO L82 PathProgramCache]: Analyzing trace with hash 854576194, now seen corresponding path program 1 times [2021-01-06 18:42:47,577 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:47,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159868228] [2021-01-06 18:42:47,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:47,651 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 18:42:47,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159868228] [2021-01-06 18:42:47,652 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:47,652 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:47,652 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736490489] [2021-01-06 18:42:47,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:47,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:47,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:47,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:47,654 INFO L87 Difference]: Start difference. First operand 399 states and 687 transitions. Second operand 5 states. [2021-01-06 18:42:47,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:47,816 INFO L93 Difference]: Finished difference Result 1141 states and 1977 transitions. [2021-01-06 18:42:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:42:47,817 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 47 [2021-01-06 18:42:47,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:47,822 INFO L225 Difference]: With dead ends: 1141 [2021-01-06 18:42:47,822 INFO L226 Difference]: Without dead ends: 769 [2021-01-06 18:42:47,823 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 18:42:47,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2021-01-06 18:42:47,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 399. [2021-01-06 18:42:47,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2021-01-06 18:42:47,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 686 transitions. [2021-01-06 18:42:47,853 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 686 transitions. Word has length 47 [2021-01-06 18:42:47,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:47,853 INFO L481 AbstractCegarLoop]: Abstraction has 399 states and 686 transitions. [2021-01-06 18:42:47,853 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 686 transitions. [2021-01-06 18:42:47,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-01-06 18:42:47,855 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:47,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:47,855 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 18:42:47,855 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:47,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:47,856 INFO L82 PathProgramCache]: Analyzing trace with hash -781817814, now seen corresponding path program 1 times [2021-01-06 18:42:47,856 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:47,856 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432264718] [2021-01-06 18:42:47,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:47,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:42:47,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432264718] [2021-01-06 18:42:47,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:47,921 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:47,921 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757581203] [2021-01-06 18:42:47,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:47,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:47,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:47,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:47,923 INFO L87 Difference]: Start difference. First operand 399 states and 686 transitions. Second operand 3 states. [2021-01-06 18:42:47,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:47,956 INFO L93 Difference]: Finished difference Result 556 states and 941 transitions. [2021-01-06 18:42:47,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:47,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2021-01-06 18:42:47,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:47,959 INFO L225 Difference]: With dead ends: 556 [2021-01-06 18:42:47,959 INFO L226 Difference]: Without dead ends: 402 [2021-01-06 18:42:47,960 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 18:42:47,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2021-01-06 18:42:47,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 401. [2021-01-06 18:42:47,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2021-01-06 18:42:47,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 688 transitions. [2021-01-06 18:42:47,990 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 688 transitions. Word has length 48 [2021-01-06 18:42:47,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:47,990 INFO L481 AbstractCegarLoop]: Abstraction has 401 states and 688 transitions. [2021-01-06 18:42:47,990 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 688 transitions. [2021-01-06 18:42:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 18:42:47,992 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:47,992 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] [2021-01-06 18:42:47,992 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 18:42:47,992 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:47,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:47,993 INFO L82 PathProgramCache]: Analyzing trace with hash 997057788, now seen corresponding path program 1 times [2021-01-06 18:42:47,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:47,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854477694] [2021-01-06 18:42:47,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:48,081 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 18:42:48,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854477694] [2021-01-06 18:42:48,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:48,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:48,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459643909] [2021-01-06 18:42:48,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:48,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:48,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:48,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:48,083 INFO L87 Difference]: Start difference. First operand 401 states and 688 transitions. Second operand 3 states. [2021-01-06 18:42:48,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:48,184 INFO L93 Difference]: Finished difference Result 1089 states and 1888 transitions. [2021-01-06 18:42:48,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:48,185 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2021-01-06 18:42:48,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:48,190 INFO L225 Difference]: With dead ends: 1089 [2021-01-06 18:42:48,190 INFO L226 Difference]: Without dead ends: 719 [2021-01-06 18:42:48,192 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 18:42:48,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2021-01-06 18:42:48,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 565. [2021-01-06 18:42:48,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2021-01-06 18:42:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 988 transitions. [2021-01-06 18:42:48,238 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 988 transitions. Word has length 56 [2021-01-06 18:42:48,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:48,241 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 988 transitions. [2021-01-06 18:42:48,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:48,241 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 988 transitions. [2021-01-06 18:42:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-01-06 18:42:48,243 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:48,243 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] [2021-01-06 18:42:48,245 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 18:42:48,246 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:48,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:48,246 INFO L82 PathProgramCache]: Analyzing trace with hash -1112943107, now seen corresponding path program 1 times [2021-01-06 18:42:48,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:48,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925527334] [2021-01-06 18:42:48,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:48,357 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 18:42:48,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925527334] [2021-01-06 18:42:48,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:48,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:42:48,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641333035] [2021-01-06 18:42:48,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:48,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:48,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:48,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:48,368 INFO L87 Difference]: Start difference. First operand 565 states and 988 transitions. Second operand 5 states. [2021-01-06 18:42:48,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:48,617 INFO L93 Difference]: Finished difference Result 1625 states and 2870 transitions. [2021-01-06 18:42:48,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:42:48,617 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2021-01-06 18:42:48,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:48,624 INFO L225 Difference]: With dead ends: 1625 [2021-01-06 18:42:48,624 INFO L226 Difference]: Without dead ends: 1091 [2021-01-06 18:42:48,626 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 18:42:48,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2021-01-06 18:42:48,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 565. [2021-01-06 18:42:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2021-01-06 18:42:48,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 986 transitions. [2021-01-06 18:42:48,704 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 986 transitions. Word has length 57 [2021-01-06 18:42:48,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:48,704 INFO L481 AbstractCegarLoop]: Abstraction has 565 states and 986 transitions. [2021-01-06 18:42:48,705 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:48,705 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 986 transitions. [2021-01-06 18:42:48,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:42:48,706 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:48,706 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:48,706 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 18:42:48,707 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:48,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:48,707 INFO L82 PathProgramCache]: Analyzing trace with hash -65409018, now seen corresponding path program 1 times [2021-01-06 18:42:48,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:48,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288302899] [2021-01-06 18:42:48,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:48,799 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 18:42:48,800 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288302899] [2021-01-06 18:42:48,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:48,800 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:48,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345633854] [2021-01-06 18:42:48,801 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:48,801 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:48,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:48,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:48,805 INFO L87 Difference]: Start difference. First operand 565 states and 986 transitions. Second operand 3 states. [2021-01-06 18:42:48,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:48,931 INFO L93 Difference]: Finished difference Result 1623 states and 2862 transitions. [2021-01-06 18:42:48,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:48,936 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:42:48,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:48,944 INFO L225 Difference]: With dead ends: 1623 [2021-01-06 18:42:48,944 INFO L226 Difference]: Without dead ends: 1089 [2021-01-06 18:42:48,946 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 18:42:48,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2021-01-06 18:42:49,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 935. [2021-01-06 18:42:49,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2021-01-06 18:42:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1663 transitions. [2021-01-06 18:42:49,028 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1663 transitions. Word has length 58 [2021-01-06 18:42:49,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:49,029 INFO L481 AbstractCegarLoop]: Abstraction has 935 states and 1663 transitions. [2021-01-06 18:42:49,029 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:49,029 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1663 transitions. [2021-01-06 18:42:49,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-01-06 18:42:49,031 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:49,031 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:49,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 18:42:49,032 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:49,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:49,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1168674856, now seen corresponding path program 1 times [2021-01-06 18:42:49,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:49,033 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772836942] [2021-01-06 18:42:49,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:49,138 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 18:42:49,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772836942] [2021-01-06 18:42:49,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945284787] [2021-01-06 18:42:49,139 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 18:42:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:49,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:42:49,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:42:49,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-01-06 18:42:49,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 18:42:49,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 18:42:49,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263838097] [2021-01-06 18:42:49,546 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:49,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:49,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:49,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:49,547 INFO L87 Difference]: Start difference. First operand 935 states and 1663 transitions. Second operand 3 states. [2021-01-06 18:42:49,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:49,613 INFO L93 Difference]: Finished difference Result 1044 states and 1839 transitions. [2021-01-06 18:42:49,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:49,614 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2021-01-06 18:42:49,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:49,619 INFO L225 Difference]: With dead ends: 1044 [2021-01-06 18:42:49,620 INFO L226 Difference]: Without dead ends: 929 [2021-01-06 18:42:49,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:49,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2021-01-06 18:42:49,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 929. [2021-01-06 18:42:49,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2021-01-06 18:42:49,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1654 transitions. [2021-01-06 18:42:49,713 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1654 transitions. Word has length 58 [2021-01-06 18:42:49,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:49,714 INFO L481 AbstractCegarLoop]: Abstraction has 929 states and 1654 transitions. [2021-01-06 18:42:49,714 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:49,714 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1654 transitions. [2021-01-06 18:42:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-01-06 18:42:49,717 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:49,717 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:49,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 18:42:49,931 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:49,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:49,932 INFO L82 PathProgramCache]: Analyzing trace with hash 371606761, now seen corresponding path program 1 times [2021-01-06 18:42:49,933 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:49,933 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642845179] [2021-01-06 18:42:49,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:50,022 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 18:42:50,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642845179] [2021-01-06 18:42:50,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967424660] [2021-01-06 18:42:50,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 18:42:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:50,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 18:42:50,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 18:42:50,552 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 18:42:50,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 18:42:50,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-01-06 18:42:50,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272952698] [2021-01-06 18:42:50,554 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:42:50,554 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:50,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:42:50,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:42:50,555 INFO L87 Difference]: Start difference. First operand 929 states and 1654 transitions. Second operand 5 states. [2021-01-06 18:42:50,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:50,718 INFO L93 Difference]: Finished difference Result 1448 states and 2541 transitions. [2021-01-06 18:42:50,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:42:50,719 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 92 [2021-01-06 18:42:50,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:50,726 INFO L225 Difference]: With dead ends: 1448 [2021-01-06 18:42:50,726 INFO L226 Difference]: Without dead ends: 1300 [2021-01-06 18:42:50,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 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 18:42:50,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1300 states. [2021-01-06 18:42:50,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1300 to 1149. [2021-01-06 18:42:50,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1149 states. [2021-01-06 18:42:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1149 states to 1149 states and 2051 transitions. [2021-01-06 18:42:50,832 INFO L78 Accepts]: Start accepts. Automaton has 1149 states and 2051 transitions. Word has length 92 [2021-01-06 18:42:50,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:50,832 INFO L481 AbstractCegarLoop]: Abstraction has 1149 states and 2051 transitions. [2021-01-06 18:42:50,832 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:42:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1149 states and 2051 transitions. [2021-01-06 18:42:50,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-01-06 18:42:50,835 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:50,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:51,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 18:42:51,049 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:51,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:51,050 INFO L82 PathProgramCache]: Analyzing trace with hash 20666220, now seen corresponding path program 1 times [2021-01-06 18:42:51,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:51,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303383050] [2021-01-06 18:42:51,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:51,128 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 18:42:51,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303383050] [2021-01-06 18:42:51,129 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:51,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:51,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020678004] [2021-01-06 18:42:51,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:51,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:51,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:51,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:51,130 INFO L87 Difference]: Start difference. First operand 1149 states and 2051 transitions. Second operand 3 states. [2021-01-06 18:42:51,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:51,287 INFO L93 Difference]: Finished difference Result 3077 states and 5520 transitions. [2021-01-06 18:42:51,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:51,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 96 [2021-01-06 18:42:51,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:51,303 INFO L225 Difference]: With dead ends: 3077 [2021-01-06 18:42:51,303 INFO L226 Difference]: Without dead ends: 2029 [2021-01-06 18:42:51,306 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 18:42:51,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2029 states. [2021-01-06 18:42:51,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2029 to 1881. [2021-01-06 18:42:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1881 states. [2021-01-06 18:42:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1881 states and 3384 transitions. [2021-01-06 18:42:51,495 INFO L78 Accepts]: Start accepts. Automaton has 1881 states and 3384 transitions. Word has length 96 [2021-01-06 18:42:51,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:51,496 INFO L481 AbstractCegarLoop]: Abstraction has 1881 states and 3384 transitions. [2021-01-06 18:42:51,496 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 3384 transitions. [2021-01-06 18:42:51,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-01-06 18:42:51,531 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:51,531 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:51,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 18:42:51,532 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:51,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:51,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1741244908, now seen corresponding path program 1 times [2021-01-06 18:42:51,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:51,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147732966] [2021-01-06 18:42:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:51,637 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 18:42:51,637 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147732966] [2021-01-06 18:42:51,637 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:51,638 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:51,638 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350992855] [2021-01-06 18:42:51,638 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:51,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:51,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:51,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:51,639 INFO L87 Difference]: Start difference. First operand 1881 states and 3384 transitions. Second operand 3 states. [2021-01-06 18:42:51,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:51,897 INFO L93 Difference]: Finished difference Result 5009 states and 9038 transitions. [2021-01-06 18:42:51,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:51,898 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2021-01-06 18:42:51,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:51,917 INFO L225 Difference]: With dead ends: 5009 [2021-01-06 18:42:51,917 INFO L226 Difference]: Without dead ends: 3263 [2021-01-06 18:42:51,921 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 18:42:51,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2021-01-06 18:42:52,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3115. [2021-01-06 18:42:52,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3115 states. [2021-01-06 18:42:52,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 5625 transitions. [2021-01-06 18:42:52,237 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 5625 transitions. Word has length 97 [2021-01-06 18:42:52,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:52,238 INFO L481 AbstractCegarLoop]: Abstraction has 3115 states and 5625 transitions. [2021-01-06 18:42:52,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:52,238 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 5625 transitions. [2021-01-06 18:42:52,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2021-01-06 18:42:52,246 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:52,246 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:52,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 18:42:52,246 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:52,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:52,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1424605413, now seen corresponding path program 1 times [2021-01-06 18:42:52,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:52,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916359893] [2021-01-06 18:42:52,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:52,337 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 18:42:52,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916359893] [2021-01-06 18:42:52,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:52,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:52,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052124551] [2021-01-06 18:42:52,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:52,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:52,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:52,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:52,340 INFO L87 Difference]: Start difference. First operand 3115 states and 5625 transitions. Second operand 3 states. [2021-01-06 18:42:52,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:52,714 INFO L93 Difference]: Finished difference Result 8427 states and 15244 transitions. [2021-01-06 18:42:52,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:52,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 98 [2021-01-06 18:42:52,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:52,746 INFO L225 Difference]: With dead ends: 8427 [2021-01-06 18:42:52,746 INFO L226 Difference]: Without dead ends: 5481 [2021-01-06 18:42:52,752 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 18:42:52,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5481 states. [2021-01-06 18:42:53,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5481 to 5333. [2021-01-06 18:42:53,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5333 states. [2021-01-06 18:42:53,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5333 states to 5333 states and 9642 transitions. [2021-01-06 18:42:53,170 INFO L78 Accepts]: Start accepts. Automaton has 5333 states and 9642 transitions. Word has length 98 [2021-01-06 18:42:53,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:53,171 INFO L481 AbstractCegarLoop]: Abstraction has 5333 states and 9642 transitions. [2021-01-06 18:42:53,171 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:53,171 INFO L276 IsEmpty]: Start isEmpty. Operand 5333 states and 9642 transitions. [2021-01-06 18:42:53,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-01-06 18:42:53,184 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:53,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:53,184 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-01-06 18:42:53,184 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:53,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:53,185 INFO L82 PathProgramCache]: Analyzing trace with hash -489736517, now seen corresponding path program 1 times [2021-01-06 18:42:53,185 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:53,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056063199] [2021-01-06 18:42:53,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:53,261 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 18:42:53,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056063199] [2021-01-06 18:42:53,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:53,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:53,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726976276] [2021-01-06 18:42:53,263 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:53,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:53,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:53,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:53,264 INFO L87 Difference]: Start difference. First operand 5333 states and 9642 transitions. Second operand 3 states. [2021-01-06 18:42:53,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:53,943 INFO L93 Difference]: Finished difference Result 15407 states and 27906 transitions. [2021-01-06 18:42:53,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:53,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 99 [2021-01-06 18:42:53,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:54,008 INFO L225 Difference]: With dead ends: 15407 [2021-01-06 18:42:54,008 INFO L226 Difference]: Without dead ends: 10251 [2021-01-06 18:42:54,019 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 18:42:54,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10251 states. [2021-01-06 18:42:54,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10251 to 10103. [2021-01-06 18:42:54,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10103 states. [2021-01-06 18:42:54,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10103 states to 10103 states and 18283 transitions. [2021-01-06 18:42:54,863 INFO L78 Accepts]: Start accepts. Automaton has 10103 states and 18283 transitions. Word has length 99 [2021-01-06 18:42:54,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:54,863 INFO L481 AbstractCegarLoop]: Abstraction has 10103 states and 18283 transitions. [2021-01-06 18:42:54,864 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 10103 states and 18283 transitions. [2021-01-06 18:42:54,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-01-06 18:42:54,888 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:54,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:54,889 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-01-06 18:42:54,889 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:54,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:54,890 INFO L82 PathProgramCache]: Analyzing trace with hash 375509580, now seen corresponding path program 1 times [2021-01-06 18:42:54,890 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:54,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717087395] [2021-01-06 18:42:54,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:54,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:54,982 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 18:42:54,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717087395] [2021-01-06 18:42:54,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:54,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:54,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834615728] [2021-01-06 18:42:54,984 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:54,984 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:54,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:54,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:54,986 INFO L87 Difference]: Start difference. First operand 10103 states and 18283 transitions. Second operand 3 states. [2021-01-06 18:42:56,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:42:56,308 INFO L93 Difference]: Finished difference Result 29547 states and 53528 transitions. [2021-01-06 18:42:56,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:42:56,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2021-01-06 18:42:56,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:42:56,376 INFO L225 Difference]: With dead ends: 29547 [2021-01-06 18:42:56,377 INFO L226 Difference]: Without dead ends: 19629 [2021-01-06 18:42:56,395 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 18:42:56,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19629 states. [2021-01-06 18:42:57,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19629 to 19481. [2021-01-06 18:42:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19481 states. [2021-01-06 18:42:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19481 states to 19481 states and 35244 transitions. [2021-01-06 18:42:57,640 INFO L78 Accepts]: Start accepts. Automaton has 19481 states and 35244 transitions. Word has length 100 [2021-01-06 18:42:57,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:42:57,640 INFO L481 AbstractCegarLoop]: Abstraction has 19481 states and 35244 transitions. [2021-01-06 18:42:57,641 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:42:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 19481 states and 35244 transitions. [2021-01-06 18:42:57,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-01-06 18:42:57,674 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:42:57,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:42:57,674 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-01-06 18:42:57,675 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:42:57,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:42:57,675 INFO L82 PathProgramCache]: Analyzing trace with hash -476461172, now seen corresponding path program 1 times [2021-01-06 18:42:57,675 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:42:57,676 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791016403] [2021-01-06 18:42:57,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:42:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:42:57,853 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 18:42:57,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791016403] [2021-01-06 18:42:57,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:42:57,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:42:57,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73367793] [2021-01-06 18:42:57,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:42:57,855 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:42:57,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:42:57,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:42:57,856 INFO L87 Difference]: Start difference. First operand 19481 states and 35244 transitions. Second operand 3 states. [2021-01-06 18:43:00,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:00,069 INFO L93 Difference]: Finished difference Result 57867 states and 104725 transitions. [2021-01-06 18:43:00,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:00,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 101 [2021-01-06 18:43:00,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:00,194 INFO L225 Difference]: With dead ends: 57867 [2021-01-06 18:43:00,194 INFO L226 Difference]: Without dead ends: 38575 [2021-01-06 18:43:00,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:00,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38575 states. [2021-01-06 18:43:02,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38575 to 38427. [2021-01-06 18:43:02,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38427 states. [2021-01-06 18:43:02,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38427 states to 38427 states and 69421 transitions. [2021-01-06 18:43:02,699 INFO L78 Accepts]: Start accepts. Automaton has 38427 states and 69421 transitions. Word has length 101 [2021-01-06 18:43:02,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:02,700 INFO L481 AbstractCegarLoop]: Abstraction has 38427 states and 69421 transitions. [2021-01-06 18:43:02,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:02,700 INFO L276 IsEmpty]: Start isEmpty. Operand 38427 states and 69421 transitions. [2021-01-06 18:43:02,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 18:43:02,782 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:02,783 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:02,783 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-01-06 18:43:02,783 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:02,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:02,798 INFO L82 PathProgramCache]: Analyzing trace with hash 299552837, now seen corresponding path program 1 times [2021-01-06 18:43:02,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:02,798 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934448181] [2021-01-06 18:43:02,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:02,901 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-01-06 18:43:02,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934448181] [2021-01-06 18:43:02,901 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:02,902 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:02,902 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720479190] [2021-01-06 18:43:02,902 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:02,903 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:02,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:02,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:02,904 INFO L87 Difference]: Start difference. First operand 38427 states and 69421 transitions. Second operand 5 states. [2021-01-06 18:43:06,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:06,264 INFO L93 Difference]: Finished difference Result 112976 states and 204062 transitions. [2021-01-06 18:43:06,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 18:43:06,265 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2021-01-06 18:43:06,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:06,510 INFO L225 Difference]: With dead ends: 112976 [2021-01-06 18:43:06,511 INFO L226 Difference]: Without dead ends: 74806 [2021-01-06 18:43:06,565 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:43:06,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74806 states. [2021-01-06 18:43:09,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74806 to 38427. [2021-01-06 18:43:09,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38427 states. [2021-01-06 18:43:09,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38427 states to 38427 states and 69163 transitions. [2021-01-06 18:43:09,410 INFO L78 Accepts]: Start accepts. Automaton has 38427 states and 69163 transitions. Word has length 102 [2021-01-06 18:43:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:09,410 INFO L481 AbstractCegarLoop]: Abstraction has 38427 states and 69163 transitions. [2021-01-06 18:43:09,410 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:09,410 INFO L276 IsEmpty]: Start isEmpty. Operand 38427 states and 69163 transitions. [2021-01-06 18:43:09,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 18:43:09,444 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:09,444 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:09,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 18:43:09,445 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:09,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:09,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1735727129, now seen corresponding path program 2 times [2021-01-06 18:43:09,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:09,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435548112] [2021-01-06 18:43:09,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:09,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435548112] [2021-01-06 18:43:09,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:09,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 18:43:09,524 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575160054] [2021-01-06 18:43:09,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 18:43:09,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:09,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 18:43:09,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:09,525 INFO L87 Difference]: Start difference. First operand 38427 states and 69163 transitions. Second operand 5 states. [2021-01-06 18:43:11,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:11,249 INFO L93 Difference]: Finished difference Result 76739 states and 138127 transitions. [2021-01-06 18:43:11,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 18:43:11,250 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 102 [2021-01-06 18:43:11,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:11,351 INFO L225 Difference]: With dead ends: 76739 [2021-01-06 18:43:11,352 INFO L226 Difference]: Without dead ends: 38575 [2021-01-06 18:43:11,405 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 18:43:11,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38575 states. [2021-01-06 18:43:13,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38575 to 38427. [2021-01-06 18:43:13,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38427 states. [2021-01-06 18:43:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38427 states to 38427 states and 69035 transitions. [2021-01-06 18:43:13,389 INFO L78 Accepts]: Start accepts. Automaton has 38427 states and 69035 transitions. Word has length 102 [2021-01-06 18:43:13,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:13,390 INFO L481 AbstractCegarLoop]: Abstraction has 38427 states and 69035 transitions. [2021-01-06 18:43:13,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 18:43:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 38427 states and 69035 transitions. [2021-01-06 18:43:13,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-01-06 18:43:13,414 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:13,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:13,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-01-06 18:43:13,415 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:13,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:13,416 INFO L82 PathProgramCache]: Analyzing trace with hash -77549286, now seen corresponding path program 1 times [2021-01-06 18:43:13,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:13,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950088118] [2021-01-06 18:43:13,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:13,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:43:13,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950088118] [2021-01-06 18:43:13,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:13,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:43:13,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752164092] [2021-01-06 18:43:13,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:43:13,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:13,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:43:13,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:13,498 INFO L87 Difference]: Start difference. First operand 38427 states and 69035 transitions. Second operand 3 states. [2021-01-06 18:43:16,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:16,365 INFO L93 Difference]: Finished difference Result 106861 states and 191705 transitions. [2021-01-06 18:43:16,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:43:16,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2021-01-06 18:43:16,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:16,518 INFO L225 Difference]: With dead ends: 106861 [2021-01-06 18:43:16,518 INFO L226 Difference]: Without dead ends: 68657 [2021-01-06 18:43:16,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:43:16,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68657 states. [2021-01-06 18:43:19,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68657 to 68509. [2021-01-06 18:43:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68509 states. [2021-01-06 18:43:20,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68509 states to 68509 states and 122540 transitions. [2021-01-06 18:43:20,047 INFO L78 Accepts]: Start accepts. Automaton has 68509 states and 122540 transitions. Word has length 102 [2021-01-06 18:43:20,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:20,047 INFO L481 AbstractCegarLoop]: Abstraction has 68509 states and 122540 transitions. [2021-01-06 18:43:20,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:43:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 68509 states and 122540 transitions. [2021-01-06 18:43:20,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-01-06 18:43:20,081 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:20,081 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:20,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-01-06 18:43:20,082 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:20,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:20,082 INFO L82 PathProgramCache]: Analyzing trace with hash 333213281, now seen corresponding path program 1 times [2021-01-06 18:43:20,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:20,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917658028] [2021-01-06 18:43:20,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:20,364 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 4 [2021-01-06 18:43:20,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:43:20,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917658028] [2021-01-06 18:43:20,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:20,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:43:20,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707656903] [2021-01-06 18:43:20,547 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:43:20,547 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:20,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:43:20,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:43:20,548 INFO L87 Difference]: Start difference. First operand 68509 states and 122540 transitions. Second operand 9 states. [2021-01-06 18:43:26,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:26,820 INFO L93 Difference]: Finished difference Result 137631 states and 246045 transitions. [2021-01-06 18:43:26,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-01-06 18:43:26,821 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2021-01-06 18:43:26,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:27,089 INFO L225 Difference]: With dead ends: 137631 [2021-01-06 18:43:27,090 INFO L226 Difference]: Without dead ends: 137503 [2021-01-06 18:43:27,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=158, Invalid=304, Unknown=0, NotChecked=0, Total=462 [2021-01-06 18:43:27,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137503 states. [2021-01-06 18:43:33,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137503 to 136811. [2021-01-06 18:43:33,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136811 states. [2021-01-06 18:43:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136811 states to 136811 states and 244739 transitions. [2021-01-06 18:43:33,938 INFO L78 Accepts]: Start accepts. Automaton has 136811 states and 244739 transitions. Word has length 103 [2021-01-06 18:43:33,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:33,938 INFO L481 AbstractCegarLoop]: Abstraction has 136811 states and 244739 transitions. [2021-01-06 18:43:33,938 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:43:33,938 INFO L276 IsEmpty]: Start isEmpty. Operand 136811 states and 244739 transitions. [2021-01-06 18:43:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-01-06 18:43:34,037 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:34,037 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:34,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-01-06 18:43:34,037 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:34,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:34,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1893649092, now seen corresponding path program 1 times [2021-01-06 18:43:34,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:34,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965722815] [2021-01-06 18:43:34,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:34,116 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:43:34,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965722815] [2021-01-06 18:43:34,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:34,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 18:43:34,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457108221] [2021-01-06 18:43:34,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 18:43:34,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:34,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 18:43:34,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 18:43:34,119 INFO L87 Difference]: Start difference. First operand 136811 states and 244739 transitions. Second operand 4 states. [2021-01-06 18:43:39,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:39,276 INFO L93 Difference]: Finished difference Result 137038 states and 245101 transitions. [2021-01-06 18:43:39,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 18:43:39,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2021-01-06 18:43:39,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:39,568 INFO L225 Difference]: With dead ends: 137038 [2021-01-06 18:43:39,569 INFO L226 Difference]: Without dead ends: 136895 [2021-01-06 18:43:39,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 18:43:39,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136895 states. [2021-01-06 18:43:46,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136895 to 136810. [2021-01-06 18:43:46,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136810 states. [2021-01-06 18:43:46,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136810 states to 136810 states and 244735 transitions. [2021-01-06 18:43:46,436 INFO L78 Accepts]: Start accepts. Automaton has 136810 states and 244735 transitions. Word has length 104 [2021-01-06 18:43:46,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:46,436 INFO L481 AbstractCegarLoop]: Abstraction has 136810 states and 244735 transitions. [2021-01-06 18:43:46,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 18:43:46,436 INFO L276 IsEmpty]: Start isEmpty. Operand 136810 states and 244735 transitions. [2021-01-06 18:43:46,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:43:46,507 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:46,507 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:46,507 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-01-06 18:43:46,508 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:46,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:46,508 INFO L82 PathProgramCache]: Analyzing trace with hash 955840509, now seen corresponding path program 1 times [2021-01-06 18:43:46,508 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:46,509 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247384547] [2021-01-06 18:43:46,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:43:46,608 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247384547] [2021-01-06 18:43:46,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:46,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 18:43:46,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011414097] [2021-01-06 18:43:46,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 18:43:46,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:46,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 18:43:46,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 18:43:46,610 INFO L87 Difference]: Start difference. First operand 136810 states and 244735 transitions. Second operand 6 states. [2021-01-06 18:43:52,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:43:52,255 INFO L93 Difference]: Finished difference Result 137058 states and 245132 transitions. [2021-01-06 18:43:52,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 18:43:52,255 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2021-01-06 18:43:52,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:43:52,535 INFO L225 Difference]: With dead ends: 137058 [2021-01-06 18:43:52,535 INFO L226 Difference]: Without dead ends: 136820 [2021-01-06 18:43:52,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 18:43:52,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136820 states. [2021-01-06 18:43:58,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136820 to 136798. [2021-01-06 18:43:58,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136798 states. [2021-01-06 18:43:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136798 states to 136798 states and 244708 transitions. [2021-01-06 18:43:58,946 INFO L78 Accepts]: Start accepts. Automaton has 136798 states and 244708 transitions. Word has length 105 [2021-01-06 18:43:58,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:43:58,946 INFO L481 AbstractCegarLoop]: Abstraction has 136798 states and 244708 transitions. [2021-01-06 18:43:58,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 18:43:58,946 INFO L276 IsEmpty]: Start isEmpty. Operand 136798 states and 244708 transitions. [2021-01-06 18:43:59,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-01-06 18:43:59,326 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:43:59,326 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:43:59,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-01-06 18:43:59,326 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:43:59,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:43:59,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1243761005, now seen corresponding path program 1 times [2021-01-06 18:43:59,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:43:59,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061135595] [2021-01-06 18:43:59,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:43:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:43:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:43:59,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061135595] [2021-01-06 18:43:59,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:43:59,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-01-06 18:43:59,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248098779] [2021-01-06 18:43:59,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-01-06 18:43:59,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:43:59,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-01-06 18:43:59,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-01-06 18:43:59,562 INFO L87 Difference]: Start difference. First operand 136798 states and 244708 transitions. Second operand 9 states. [2021-01-06 18:44:05,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:05,516 INFO L93 Difference]: Finished difference Result 137908 states and 246448 transitions. [2021-01-06 18:44:05,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-01-06 18:44:05,516 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 105 [2021-01-06 18:44:05,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:05,921 INFO L225 Difference]: With dead ends: 137908 [2021-01-06 18:44:05,922 INFO L226 Difference]: Without dead ends: 137734 [2021-01-06 18:44:05,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=359, Unknown=0, NotChecked=0, Total=506 [2021-01-06 18:44:06,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137734 states. [2021-01-06 18:44:12,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137734 to 136802. [2021-01-06 18:44:12,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136802 states. [2021-01-06 18:44:12,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136802 states to 136802 states and 244712 transitions. [2021-01-06 18:44:12,478 INFO L78 Accepts]: Start accepts. Automaton has 136802 states and 244712 transitions. Word has length 105 [2021-01-06 18:44:12,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:12,478 INFO L481 AbstractCegarLoop]: Abstraction has 136802 states and 244712 transitions. [2021-01-06 18:44:12,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-01-06 18:44:12,478 INFO L276 IsEmpty]: Start isEmpty. Operand 136802 states and 244712 transitions. [2021-01-06 18:44:12,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:44:12,863 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:12,863 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:12,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-01-06 18:44:12,864 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:12,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:12,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1295071455, now seen corresponding path program 1 times [2021-01-06 18:44:12,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:12,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791827313] [2021-01-06 18:44:12,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:13,100 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791827313] [2021-01-06 18:44:13,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:13,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-01-06 18:44:13,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093465610] [2021-01-06 18:44:13,101 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-01-06 18:44:13,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:13,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-01-06 18:44:13,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-01-06 18:44:13,102 INFO L87 Difference]: Start difference. First operand 136802 states and 244712 transitions. Second operand 11 states. [2021-01-06 18:44:19,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:19,161 INFO L93 Difference]: Finished difference Result 138148 states and 246800 transitions. [2021-01-06 18:44:19,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-01-06 18:44:19,162 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 106 [2021-01-06 18:44:19,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:19,544 INFO L225 Difference]: With dead ends: 138148 [2021-01-06 18:44:19,545 INFO L226 Difference]: Without dead ends: 138020 [2021-01-06 18:44:19,574 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=288, Invalid=768, Unknown=0, NotChecked=0, Total=1056 [2021-01-06 18:44:19,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138020 states. [2021-01-06 18:44:25,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138020 to 136848. [2021-01-06 18:44:25,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136848 states. [2021-01-06 18:44:26,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136848 states to 136848 states and 244788 transitions. [2021-01-06 18:44:26,508 INFO L78 Accepts]: Start accepts. Automaton has 136848 states and 244788 transitions. Word has length 106 [2021-01-06 18:44:26,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:26,522 INFO L481 AbstractCegarLoop]: Abstraction has 136848 states and 244788 transitions. [2021-01-06 18:44:26,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-01-06 18:44:26,522 INFO L276 IsEmpty]: Start isEmpty. Operand 136848 states and 244788 transitions. [2021-01-06 18:44:26,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-01-06 18:44:26,585 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:26,585 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:26,585 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-01-06 18:44:26,586 INFO L429 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:26,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:26,586 INFO L82 PathProgramCache]: Analyzing trace with hash -716768953, now seen corresponding path program 1 times [2021-01-06 18:44:26,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:26,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260261602] [2021-01-06 18:44:26,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:26,689 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-01-06 18:44:26,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260261602] [2021-01-06 18:44:26,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:26,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:44:26,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125274042] [2021-01-06 18:44:26,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:44:26,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:26,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:44:26,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:44:26,692 INFO L87 Difference]: Start difference. First operand 136848 states and 244788 transitions. Second operand 8 states. [2021-01-06 18:44:32,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:32,276 INFO L93 Difference]: Finished difference Result 137149 states and 245258 transitions. [2021-01-06 18:44:32,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-01-06 18:44:32,276 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2021-01-06 18:44:32,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:32,538 INFO L225 Difference]: With dead ends: 137149 [2021-01-06 18:44:32,539 INFO L226 Difference]: Without dead ends: 136863 [2021-01-06 18:44:32,571 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=203, Unknown=0, NotChecked=0, Total=306 [2021-01-06 18:44:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136863 states. [2021-01-06 18:44:40,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136863 to 136791. [2021-01-06 18:44:40,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136791 states. [2021-01-06 18:44:40,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136791 states to 136791 states and 244688 transitions. [2021-01-06 18:44:40,415 INFO L78 Accepts]: Start accepts. Automaton has 136791 states and 244688 transitions. Word has length 106 [2021-01-06 18:44:40,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:44:40,415 INFO L481 AbstractCegarLoop]: Abstraction has 136791 states and 244688 transitions. [2021-01-06 18:44:40,415 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:44:40,416 INFO L276 IsEmpty]: Start isEmpty. Operand 136791 states and 244688 transitions. [2021-01-06 18:44:40,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:44:40,483 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:44:40,483 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:44:40,484 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-01-06 18:44:40,484 INFO L429 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:44:40,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:44:40,484 INFO L82 PathProgramCache]: Analyzing trace with hash 623976279, now seen corresponding path program 1 times [2021-01-06 18:44:40,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:44:40,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560183760] [2021-01-06 18:44:40,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:44:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:44:40,609 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 18:44:40,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560183760] [2021-01-06 18:44:40,610 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:44:40,610 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-01-06 18:44:40,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112650224] [2021-01-06 18:44:40,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-01-06 18:44:40,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:44:40,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-01-06 18:44:40,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-01-06 18:44:40,612 INFO L87 Difference]: Start difference. First operand 136791 states and 244688 transitions. Second operand 8 states. [2021-01-06 18:44:49,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:44:49,334 INFO L93 Difference]: Finished difference Result 205450 states and 367077 transitions. [2021-01-06 18:44:49,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-01-06 18:44:49,335 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2021-01-06 18:44:49,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:44:49,955 INFO L225 Difference]: With dead ends: 205450 [2021-01-06 18:44:49,955 INFO L226 Difference]: Without dead ends: 205338 [2021-01-06 18:44:50,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2021-01-06 18:44:50,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205338 states. [2021-01-06 18:44:59,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205338 to 204244. [2021-01-06 18:44:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204244 states. [2021-01-06 18:45:00,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204244 states to 204244 states and 365196 transitions. [2021-01-06 18:45:00,434 INFO L78 Accepts]: Start accepts. Automaton has 204244 states and 365196 transitions. Word has length 107 [2021-01-06 18:45:00,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:00,435 INFO L481 AbstractCegarLoop]: Abstraction has 204244 states and 365196 transitions. [2021-01-06 18:45:00,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-01-06 18:45:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 204244 states and 365196 transitions. [2021-01-06 18:45:00,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-01-06 18:45:00,538 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:00,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:00,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-01-06 18:45:00,539 INFO L429 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:00,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:00,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1101362400, now seen corresponding path program 1 times [2021-01-06 18:45:00,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:00,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214628766] [2021-01-06 18:45:00,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 18:45:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 18:45:00,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214628766] [2021-01-06 18:45:00,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 18:45:00,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 18:45:00,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73470602] [2021-01-06 18:45:00,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 18:45:00,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 18:45:00,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 18:45:00,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:00,612 INFO L87 Difference]: Start difference. First operand 204244 states and 365196 transitions. Second operand 3 states. [2021-01-06 18:45:18,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 18:45:18,667 INFO L93 Difference]: Finished difference Result 604393 states and 1080661 transitions. [2021-01-06 18:45:18,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 18:45:18,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2021-01-06 18:45:18,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 18:45:19,879 INFO L225 Difference]: With dead ends: 604393 [2021-01-06 18:45:19,879 INFO L226 Difference]: Without dead ends: 400456 [2021-01-06 18:45:20,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 18:45:20,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400456 states. [2021-01-06 18:45:41,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400456 to 400086. [2021-01-06 18:45:41,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400086 states. [2021-01-06 18:45:42,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400086 states to 400086 states and 713869 transitions. [2021-01-06 18:45:42,700 INFO L78 Accepts]: Start accepts. Automaton has 400086 states and 713869 transitions. Word has length 107 [2021-01-06 18:45:42,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 18:45:42,701 INFO L481 AbstractCegarLoop]: Abstraction has 400086 states and 713869 transitions. [2021-01-06 18:45:42,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 18:45:42,701 INFO L276 IsEmpty]: Start isEmpty. Operand 400086 states and 713869 transitions. [2021-01-06 18:45:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2021-01-06 18:45:42,857 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 18:45:42,858 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 18:45:42,858 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-01-06 18:45:42,858 INFO L429 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 18:45:42,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 18:45:42,858 INFO L82 PathProgramCache]: Analyzing trace with hash -844544922, now seen corresponding path program 1 times [2021-01-06 18:45:42,858 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 18:45:42,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031476435] [2021-01-06 18:45:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 18:45:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat