/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/eca-rers2012/Problem14_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 14:13:01,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 14:13:01,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 14:13:01,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 14:13:01,756 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 14:13:01,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 14:13:01,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 14:13:01,764 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 14:13:01,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 14:13:01,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 14:13:01,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 14:13:01,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 14:13:01,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 14:13:01,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 14:13:01,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 14:13:01,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 14:13:01,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 14:13:01,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 14:13:01,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 14:13:01,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 14:13:01,806 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 14:13:01,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 14:13:01,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 14:13:01,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 14:13:01,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 14:13:01,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 14:13:01,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 14:13:01,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 14:13:01,823 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 14:13:01,824 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 14:13:01,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 14:13:01,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 14:13:01,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 14:13:01,829 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 14:13:01,830 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 14:13:01,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 14:13:01,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 14:13:01,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 14:13:01,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 14:13:01,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 14:13:01,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 14:13:01,837 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 14:13:01,868 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 14:13:01,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 14:13:01,870 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 14:13:01,871 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 14:13:01,871 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 14:13:01,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 14:13:01,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 14:13:01,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 14:13:01,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 14:13:01,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 14:13:01,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 14:13:01,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 14:13:01,873 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 14:13:01,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 14:13:01,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 14:13:01,874 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 14:13:01,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 14:13:01,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 14:13:01,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 14:13:01,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 14:13:01,875 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 14:13:01,875 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 14:13:01,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 14:13:01,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 14:13:01,876 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 14:13:01,876 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 14:13:02,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 14:13:02,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 14:13:02,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 14:13:02,439 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 14:13:02,440 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 14:13:02,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2021-01-06 14:13:02,538 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f3509bc6d/c8b7ac170f1e4b8e92869cf82786dab2/FLAG7cf5837b7 [2021-01-06 14:13:03,466 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 14:13:03,467 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem14_label17.c [2021-01-06 14:13:03,492 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f3509bc6d/c8b7ac170f1e4b8e92869cf82786dab2/FLAG7cf5837b7 [2021-01-06 14:13:03,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/f3509bc6d/c8b7ac170f1e4b8e92869cf82786dab2 [2021-01-06 14:13:03,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 14:13:03,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 14:13:03,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 14:13:03,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 14:13:03,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 14:13:03,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 02:13:03" (1/1) ... [2021-01-06 14:13:03,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5998f5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:03, skipping insertion in model container [2021-01-06 14:13:03,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 02:13:03" (1/1) ... [2021-01-06 14:13:03,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 14:13:03,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 14:13:04,123 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/eca-rers2012/Problem14_label17.c[5746,5759] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 14:13:04,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 14:13:04,473 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 14:13:04,505 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/eca-rers2012/Problem14_label17.c[5746,5759] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a24~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a12~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a15~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a21~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 14:13:04,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 14:13:04,726 INFO L208 MainTranslator]: Completed translation [2021-01-06 14:13:04,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04 WrapperNode [2021-01-06 14:13:04,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 14:13:04,729 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 14:13:04,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 14:13:04,730 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 14:13:04,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (1/1) ... [2021-01-06 14:13:04,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (1/1) ... [2021-01-06 14:13:04,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 14:13:04,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 14:13:04,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 14:13:04,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 14:13:04,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (1/1) ... [2021-01-06 14:13:04,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (1/1) ... [2021-01-06 14:13:04,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (1/1) ... [2021-01-06 14:13:04,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (1/1) ... [2021-01-06 14:13:04,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (1/1) ... [2021-01-06 14:13:04,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (1/1) ... [2021-01-06 14:13:04,994 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (1/1) ... [2021-01-06 14:13:05,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 14:13:05,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 14:13:05,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 14:13:05,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 14:13:05,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (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 14:13:05,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 14:13:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 14:13:05,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 14:13:05,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 14:13:06,862 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 14:13:06,862 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 14:13:06,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:13:06 BoogieIcfgContainer [2021-01-06 14:13:06,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 14:13:06,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 14:13:06,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 14:13:06,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 14:13:06,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 02:13:03" (1/3) ... [2021-01-06 14:13:06,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b05936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 02:13:06, skipping insertion in model container [2021-01-06 14:13:06,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 02:13:04" (2/3) ... [2021-01-06 14:13:06,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b05936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 02:13:06, skipping insertion in model container [2021-01-06 14:13:06,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:13:06" (3/3) ... [2021-01-06 14:13:06,879 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem14_label17.c [2021-01-06 14:13:06,888 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 14:13:06,896 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 14:13:06,926 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 14:13:06,967 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 14:13:06,967 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 14:13:06,968 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 14:13:06,968 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 14:13:06,968 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 14:13:06,968 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 14:13:06,968 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 14:13:06,969 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 14:13:06,998 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2021-01-06 14:13:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-01-06 14:13:07,010 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:07,012 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:07,013 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:07,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:07,023 INFO L82 PathProgramCache]: Analyzing trace with hash -2158734, now seen corresponding path program 1 times [2021-01-06 14:13:07,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:07,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916827848] [2021-01-06 14:13:07,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:07,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:07,502 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 14:13:07,503 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916827848] [2021-01-06 14:13:07,505 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:07,505 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 14:13:07,506 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252807073] [2021-01-06 14:13:07,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:07,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:07,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:07,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:07,536 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 3 states. [2021-01-06 14:13:09,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:09,107 INFO L93 Difference]: Finished difference Result 685 states and 1216 transitions. [2021-01-06 14:13:09,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:09,110 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2021-01-06 14:13:09,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:09,131 INFO L225 Difference]: With dead ends: 685 [2021-01-06 14:13:09,132 INFO L226 Difference]: Without dead ends: 360 [2021-01-06 14:13:09,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 14:13:09,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2021-01-06 14:13:09,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2021-01-06 14:13:09,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2021-01-06 14:13:09,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 510 transitions. [2021-01-06 14:13:09,268 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 510 transitions. Word has length 56 [2021-01-06 14:13:09,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:09,270 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 510 transitions. [2021-01-06 14:13:09,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:09,270 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 510 transitions. [2021-01-06 14:13:09,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-01-06 14:13:09,283 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:09,284 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 14:13:09,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 14:13:09,285 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:09,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:09,288 INFO L82 PathProgramCache]: Analyzing trace with hash -596921339, now seen corresponding path program 1 times [2021-01-06 14:13:09,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:09,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806642051] [2021-01-06 14:13:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:09,727 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:13:09,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806642051] [2021-01-06 14:13:09,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:09,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:09,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730869497] [2021-01-06 14:13:09,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:09,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:09,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:09,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:09,733 INFO L87 Difference]: Start difference. First operand 360 states and 510 transitions. Second operand 4 states. [2021-01-06 14:13:11,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:11,692 INFO L93 Difference]: Finished difference Result 1074 states and 1446 transitions. [2021-01-06 14:13:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:11,693 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 135 [2021-01-06 14:13:11,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:11,701 INFO L225 Difference]: With dead ends: 1074 [2021-01-06 14:13:11,702 INFO L226 Difference]: Without dead ends: 716 [2021-01-06 14:13:11,709 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 14:13:11,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2021-01-06 14:13:11,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2021-01-06 14:13:11,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 716 states. [2021-01-06 14:13:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 902 transitions. [2021-01-06 14:13:11,770 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 902 transitions. Word has length 135 [2021-01-06 14:13:11,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:11,771 INFO L481 AbstractCegarLoop]: Abstraction has 716 states and 902 transitions. [2021-01-06 14:13:11,771 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 902 transitions. [2021-01-06 14:13:11,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-01-06 14:13:11,776 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:11,777 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-01-06 14:13:11,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 14:13:11,777 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:11,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:11,779 INFO L82 PathProgramCache]: Analyzing trace with hash -602971324, now seen corresponding path program 1 times [2021-01-06 14:13:11,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:11,779 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110371405] [2021-01-06 14:13:11,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 14:13:11,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110371405] [2021-01-06 14:13:11,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:11,975 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:11,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753965832] [2021-01-06 14:13:11,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:11,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:11,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:11,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:11,990 INFO L87 Difference]: Start difference. First operand 716 states and 902 transitions. Second operand 3 states. [2021-01-06 14:13:13,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:13,074 INFO L93 Difference]: Finished difference Result 1964 states and 2499 transitions. [2021-01-06 14:13:13,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:13,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2021-01-06 14:13:13,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:13,087 INFO L225 Difference]: With dead ends: 1964 [2021-01-06 14:13:13,087 INFO L226 Difference]: Without dead ends: 1250 [2021-01-06 14:13:13,089 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 14:13:13,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2021-01-06 14:13:13,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1250. [2021-01-06 14:13:13,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1250 states. [2021-01-06 14:13:13,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1544 transitions. [2021-01-06 14:13:13,133 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1544 transitions. Word has length 161 [2021-01-06 14:13:13,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:13,142 INFO L481 AbstractCegarLoop]: Abstraction has 1250 states and 1544 transitions. [2021-01-06 14:13:13,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:13,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1544 transitions. [2021-01-06 14:13:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2021-01-06 14:13:13,151 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:13,151 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:13,151 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 14:13:13,151 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:13,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:13,152 INFO L82 PathProgramCache]: Analyzing trace with hash -452523719, now seen corresponding path program 1 times [2021-01-06 14:13:13,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:13,153 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413339849] [2021-01-06 14:13:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-01-06 14:13:13,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413339849] [2021-01-06 14:13:13,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:13,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:13,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371823060] [2021-01-06 14:13:13,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:13,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:13,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:13,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:13,427 INFO L87 Difference]: Start difference. First operand 1250 states and 1544 transitions. Second operand 4 states. [2021-01-06 14:13:14,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:14,533 INFO L93 Difference]: Finished difference Result 2705 states and 3353 transitions. [2021-01-06 14:13:14,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:14,534 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 215 [2021-01-06 14:13:14,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:14,542 INFO L225 Difference]: With dead ends: 2705 [2021-01-06 14:13:14,543 INFO L226 Difference]: Without dead ends: 1606 [2021-01-06 14:13:14,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:14,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2021-01-06 14:13:14,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1606. [2021-01-06 14:13:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1606 states. [2021-01-06 14:13:14,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1801 transitions. [2021-01-06 14:13:14,581 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1801 transitions. Word has length 215 [2021-01-06 14:13:14,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:14,582 INFO L481 AbstractCegarLoop]: Abstraction has 1606 states and 1801 transitions. [2021-01-06 14:13:14,582 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1801 transitions. [2021-01-06 14:13:14,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-01-06 14:13:14,588 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:14,588 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:14,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 14:13:14,589 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:14,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:14,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1042976344, now seen corresponding path program 1 times [2021-01-06 14:13:14,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:14,590 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719768195] [2021-01-06 14:13:14,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:15,216 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 209 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-01-06 14:13:15,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719768195] [2021-01-06 14:13:15,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025400801] [2021-01-06 14:13:15,217 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 14:13:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:15,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:15,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:16,278 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-01-06 14:13:16,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:16,280 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 14:13:16,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321261851] [2021-01-06 14:13:16,281 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:16,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:16,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:16,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:16,283 INFO L87 Difference]: Start difference. First operand 1606 states and 1801 transitions. Second operand 3 states. [2021-01-06 14:13:17,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:17,310 INFO L93 Difference]: Finished difference Result 3388 states and 3901 transitions. [2021-01-06 14:13:17,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:17,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 342 [2021-01-06 14:13:17,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:17,324 INFO L225 Difference]: With dead ends: 3388 [2021-01-06 14:13:17,324 INFO L226 Difference]: Without dead ends: 1962 [2021-01-06 14:13:17,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:17,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states. [2021-01-06 14:13:17,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1784. [2021-01-06 14:13:17,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1784 states. [2021-01-06 14:13:17,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1784 states and 2018 transitions. [2021-01-06 14:13:17,382 INFO L78 Accepts]: Start accepts. Automaton has 1784 states and 2018 transitions. Word has length 342 [2021-01-06 14:13:17,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:17,383 INFO L481 AbstractCegarLoop]: Abstraction has 1784 states and 2018 transitions. [2021-01-06 14:13:17,383 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:17,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2018 transitions. [2021-01-06 14:13:17,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-01-06 14:13:17,389 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:17,390 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:17,604 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:17,605 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:17,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:17,606 INFO L82 PathProgramCache]: Analyzing trace with hash 246905886, now seen corresponding path program 1 times [2021-01-06 14:13:17,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:17,607 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616510254] [2021-01-06 14:13:17,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:17,966 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 318 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-01-06 14:13:17,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616510254] [2021-01-06 14:13:17,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:17,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:17,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569122888] [2021-01-06 14:13:17,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:17,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:17,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:17,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:17,973 INFO L87 Difference]: Start difference. First operand 1784 states and 2018 transitions. Second operand 3 states. [2021-01-06 14:13:18,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:18,966 INFO L93 Difference]: Finished difference Result 3744 states and 4282 transitions. [2021-01-06 14:13:18,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:18,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 346 [2021-01-06 14:13:18,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:18,979 INFO L225 Difference]: With dead ends: 3744 [2021-01-06 14:13:18,979 INFO L226 Difference]: Without dead ends: 2140 [2021-01-06 14:13:18,982 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 14:13:18,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2021-01-06 14:13:19,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2140. [2021-01-06 14:13:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2140 states. [2021-01-06 14:13:19,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2140 states to 2140 states and 2413 transitions. [2021-01-06 14:13:19,035 INFO L78 Accepts]: Start accepts. Automaton has 2140 states and 2413 transitions. Word has length 346 [2021-01-06 14:13:19,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:19,036 INFO L481 AbstractCegarLoop]: Abstraction has 2140 states and 2413 transitions. [2021-01-06 14:13:19,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:19,036 INFO L276 IsEmpty]: Start isEmpty. Operand 2140 states and 2413 transitions. [2021-01-06 14:13:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-01-06 14:13:19,043 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:19,044 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2021-01-06 14:13:19,044 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 14:13:19,044 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:19,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:19,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1148447004, now seen corresponding path program 1 times [2021-01-06 14:13:19,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:19,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149039499] [2021-01-06 14:13:19,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:19,404 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:19,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149039499] [2021-01-06 14:13:19,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:19,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:19,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627197080] [2021-01-06 14:13:19,407 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:19,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:19,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:19,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:19,409 INFO L87 Difference]: Start difference. First operand 2140 states and 2413 transitions. Second operand 3 states. [2021-01-06 14:13:20,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:20,544 INFO L93 Difference]: Finished difference Result 4634 states and 5316 transitions. [2021-01-06 14:13:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:20,545 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 373 [2021-01-06 14:13:20,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:20,560 INFO L225 Difference]: With dead ends: 4634 [2021-01-06 14:13:20,560 INFO L226 Difference]: Without dead ends: 2674 [2021-01-06 14:13:20,566 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 14:13:20,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2021-01-06 14:13:20,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2318. [2021-01-06 14:13:20,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2021-01-06 14:13:20,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2622 transitions. [2021-01-06 14:13:20,650 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2622 transitions. Word has length 373 [2021-01-06 14:13:20,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:20,651 INFO L481 AbstractCegarLoop]: Abstraction has 2318 states and 2622 transitions. [2021-01-06 14:13:20,652 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:20,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2622 transitions. [2021-01-06 14:13:20,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2021-01-06 14:13:20,660 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:20,660 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:20,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 14:13:20,661 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:20,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:20,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1347609353, now seen corresponding path program 1 times [2021-01-06 14:13:20,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:20,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159359252] [2021-01-06 14:13:20,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:21,070 INFO L134 CoverageAnalysis]: Checked inductivity of 475 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:21,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159359252] [2021-01-06 14:13:21,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:21,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:21,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390621675] [2021-01-06 14:13:21,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:21,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:21,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:21,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:21,074 INFO L87 Difference]: Start difference. First operand 2318 states and 2622 transitions. Second operand 3 states. [2021-01-06 14:13:22,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:22,092 INFO L93 Difference]: Finished difference Result 5168 states and 5922 transitions. [2021-01-06 14:13:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:22,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 380 [2021-01-06 14:13:22,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:22,108 INFO L225 Difference]: With dead ends: 5168 [2021-01-06 14:13:22,109 INFO L226 Difference]: Without dead ends: 3030 [2021-01-06 14:13:22,113 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 14:13:22,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-01-06 14:13:22,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3030. [2021-01-06 14:13:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2021-01-06 14:13:22,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3431 transitions. [2021-01-06 14:13:22,194 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3431 transitions. Word has length 380 [2021-01-06 14:13:22,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:22,195 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3431 transitions. [2021-01-06 14:13:22,195 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:22,195 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3431 transitions. [2021-01-06 14:13:22,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-01-06 14:13:22,207 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:22,208 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:22,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 14:13:22,208 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:22,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:22,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1274381579, now seen corresponding path program 1 times [2021-01-06 14:13:22,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:22,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152038569] [2021-01-06 14:13:22,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 768 backedges. 480 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2021-01-06 14:13:22,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152038569] [2021-01-06 14:13:22,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:22,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:22,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806320609] [2021-01-06 14:13:22,752 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:22,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:22,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:22,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:22,754 INFO L87 Difference]: Start difference. First operand 3030 states and 3431 transitions. Second operand 4 states. [2021-01-06 14:13:23,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:23,906 INFO L93 Difference]: Finished difference Result 6087 states and 6906 transitions. [2021-01-06 14:13:23,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:23,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 455 [2021-01-06 14:13:23,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:23,924 INFO L225 Difference]: With dead ends: 6087 [2021-01-06 14:13:23,925 INFO L226 Difference]: Without dead ends: 3208 [2021-01-06 14:13:23,929 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:23,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2021-01-06 14:13:24,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3030. [2021-01-06 14:13:24,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2021-01-06 14:13:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3285 transitions. [2021-01-06 14:13:24,008 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3285 transitions. Word has length 455 [2021-01-06 14:13:24,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:24,009 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3285 transitions. [2021-01-06 14:13:24,009 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:24,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3285 transitions. [2021-01-06 14:13:24,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-01-06 14:13:24,015 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:24,016 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:24,016 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 14:13:24,017 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:24,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:24,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1801199018, now seen corresponding path program 1 times [2021-01-06 14:13:24,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:24,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189496209] [2021-01-06 14:13:24,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 520 proven. 11 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:24,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189496209] [2021-01-06 14:13:24,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747510372] [2021-01-06 14:13:24,985 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 14:13:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:25,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:25,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:25,833 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-01-06 14:13:25,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:25,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 14:13:25,834 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845907440] [2021-01-06 14:13:25,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:25,836 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:25,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:25,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:25,837 INFO L87 Difference]: Start difference. First operand 3030 states and 3285 transitions. Second operand 3 states. [2021-01-06 14:13:26,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:26,746 INFO L93 Difference]: Finished difference Result 5880 states and 6389 transitions. [2021-01-06 14:13:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:26,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 481 [2021-01-06 14:13:26,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:26,763 INFO L225 Difference]: With dead ends: 5880 [2021-01-06 14:13:26,764 INFO L226 Difference]: Without dead ends: 3030 [2021-01-06 14:13:26,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:26,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3030 states. [2021-01-06 14:13:26,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3030 to 3030. [2021-01-06 14:13:26,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3030 states. [2021-01-06 14:13:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3253 transitions. [2021-01-06 14:13:26,842 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3253 transitions. Word has length 481 [2021-01-06 14:13:26,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:26,843 INFO L481 AbstractCegarLoop]: Abstraction has 3030 states and 3253 transitions. [2021-01-06 14:13:26,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:26,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3253 transitions. [2021-01-06 14:13:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2021-01-06 14:13:26,849 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:26,850 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-01-06 14:13:27,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-01-06 14:13:27,065 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:27,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:27,068 INFO L82 PathProgramCache]: Analyzing trace with hash -682875946, now seen corresponding path program 1 times [2021-01-06 14:13:27,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:27,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906634687] [2021-01-06 14:13:27,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 463 proven. 68 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:28,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906634687] [2021-01-06 14:13:28,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835699375] [2021-01-06 14:13:28,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:28,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 655 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:28,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 845 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2021-01-06 14:13:28,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:28,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 14:13:28,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395341669] [2021-01-06 14:13:28,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:28,876 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:28,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:28,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:28,877 INFO L87 Difference]: Start difference. First operand 3030 states and 3253 transitions. Second operand 3 states. [2021-01-06 14:13:29,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:29,802 INFO L93 Difference]: Finished difference Result 6948 states and 7510 transitions. [2021-01-06 14:13:29,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:29,803 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 502 [2021-01-06 14:13:29,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:29,824 INFO L225 Difference]: With dead ends: 6948 [2021-01-06 14:13:29,825 INFO L226 Difference]: Without dead ends: 4098 [2021-01-06 14:13:29,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:29,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2021-01-06 14:13:29,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 4098. [2021-01-06 14:13:29,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4098 states. [2021-01-06 14:13:29,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4098 states to 4098 states and 4396 transitions. [2021-01-06 14:13:29,937 INFO L78 Accepts]: Start accepts. Automaton has 4098 states and 4396 transitions. Word has length 502 [2021-01-06 14:13:29,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:29,939 INFO L481 AbstractCegarLoop]: Abstraction has 4098 states and 4396 transitions. [2021-01-06 14:13:29,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:29,939 INFO L276 IsEmpty]: Start isEmpty. Operand 4098 states and 4396 transitions. [2021-01-06 14:13:29,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 536 [2021-01-06 14:13:29,950 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:29,950 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-01-06 14:13:30,164 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2021-01-06 14:13:30,165 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:30,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:30,167 INFO L82 PathProgramCache]: Analyzing trace with hash 120362576, now seen corresponding path program 1 times [2021-01-06 14:13:30,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:30,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99245604] [2021-01-06 14:13:30,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:30,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 484 proven. 54 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:30,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99245604] [2021-01-06 14:13:30,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932446766] [2021-01-06 14:13:30,773 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:30,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:30,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 215 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2021-01-06 14:13:31,473 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:31,473 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2021-01-06 14:13:31,473 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621005307] [2021-01-06 14:13:31,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:31,474 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:31,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:31,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-01-06 14:13:31,475 INFO L87 Difference]: Start difference. First operand 4098 states and 4396 transitions. Second operand 3 states. [2021-01-06 14:13:32,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:32,346 INFO L93 Difference]: Finished difference Result 8372 states and 9035 transitions. [2021-01-06 14:13:32,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:32,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 535 [2021-01-06 14:13:32,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:32,371 INFO L225 Difference]: With dead ends: 8372 [2021-01-06 14:13:32,371 INFO L226 Difference]: Without dead ends: 4454 [2021-01-06 14:13:32,376 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 538 GetRequests, 535 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 14:13:32,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4454 states. [2021-01-06 14:13:32,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4454 to 4454. [2021-01-06 14:13:32,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4454 states. [2021-01-06 14:13:32,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4454 states to 4454 states and 4798 transitions. [2021-01-06 14:13:32,464 INFO L78 Accepts]: Start accepts. Automaton has 4454 states and 4798 transitions. Word has length 535 [2021-01-06 14:13:32,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:32,465 INFO L481 AbstractCegarLoop]: Abstraction has 4454 states and 4798 transitions. [2021-01-06 14:13:32,465 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:32,465 INFO L276 IsEmpty]: Start isEmpty. Operand 4454 states and 4798 transitions. [2021-01-06 14:13:32,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2021-01-06 14:13:32,475 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:32,476 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2021-01-06 14:13:32,691 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:32,692 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:32,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:32,693 INFO L82 PathProgramCache]: Analyzing trace with hash -663711901, now seen corresponding path program 1 times [2021-01-06 14:13:32,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:32,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430594136] [2021-01-06 14:13:32,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:32,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:33,763 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 445 proven. 93 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2021-01-06 14:13:33,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430594136] [2021-01-06 14:13:33,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204235046] [2021-01-06 14:13:33,764 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:33,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:33,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 852 trivial. 0 not checked. [2021-01-06 14:13:34,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:34,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 14:13:34,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921517629] [2021-01-06 14:13:34,797 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:34,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:34,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:34,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:34,798 INFO L87 Difference]: Start difference. First operand 4454 states and 4798 transitions. Second operand 3 states. [2021-01-06 14:13:35,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:35,805 INFO L93 Difference]: Finished difference Result 5524 states and 5969 transitions. [2021-01-06 14:13:35,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:35,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 553 [2021-01-06 14:13:35,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:35,824 INFO L225 Difference]: With dead ends: 5524 [2021-01-06 14:13:35,825 INFO L226 Difference]: Without dead ends: 5522 [2021-01-06 14:13:35,828 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 556 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:35,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2021-01-06 14:13:35,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 4632. [2021-01-06 14:13:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2021-01-06 14:13:35,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 5000 transitions. [2021-01-06 14:13:35,956 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 5000 transitions. Word has length 553 [2021-01-06 14:13:35,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:35,957 INFO L481 AbstractCegarLoop]: Abstraction has 4632 states and 5000 transitions. [2021-01-06 14:13:35,957 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 5000 transitions. [2021-01-06 14:13:35,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2021-01-06 14:13:35,967 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:35,968 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:36,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-01-06 14:13:36,182 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:36,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:36,183 INFO L82 PathProgramCache]: Analyzing trace with hash 538602375, now seen corresponding path program 1 times [2021-01-06 14:13:36,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:36,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179833602] [2021-01-06 14:13:36,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:37,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 943 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2021-01-06 14:13:37,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179833602] [2021-01-06 14:13:37,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451765674] [2021-01-06 14:13:37,187 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:37,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:37,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:38,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2021-01-06 14:13:38,211 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:38,211 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 14:13:38,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434372918] [2021-01-06 14:13:38,212 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:38,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:38,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:38,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:38,214 INFO L87 Difference]: Start difference. First operand 4632 states and 5000 transitions. Second operand 3 states. [2021-01-06 14:13:39,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:39,161 INFO L93 Difference]: Finished difference Result 6058 states and 6544 transitions. [2021-01-06 14:13:39,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:39,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 588 [2021-01-06 14:13:39,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:39,173 INFO L225 Difference]: With dead ends: 6058 [2021-01-06 14:13:39,174 INFO L226 Difference]: Without dead ends: 6056 [2021-01-06 14:13:39,176 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:39,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6056 states. [2021-01-06 14:13:39,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6056 to 4632. [2021-01-06 14:13:39,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2021-01-06 14:13:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 5000 transitions. [2021-01-06 14:13:39,295 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 5000 transitions. Word has length 588 [2021-01-06 14:13:39,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:39,296 INFO L481 AbstractCegarLoop]: Abstraction has 4632 states and 5000 transitions. [2021-01-06 14:13:39,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 5000 transitions. [2021-01-06 14:13:39,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 620 [2021-01-06 14:13:39,309 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:39,309 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2021-01-06 14:13:39,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:39,524 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:39,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:39,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1811126405, now seen corresponding path program 1 times [2021-01-06 14:13:39,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:39,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624687686] [2021-01-06 14:13:39,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 944 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2021-01-06 14:13:40,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624687686] [2021-01-06 14:13:40,526 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375219601] [2021-01-06 14:13:40,526 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:40,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 796 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 14:13:40,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:41,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 1054 trivial. 0 not checked. [2021-01-06 14:13:41,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:41,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 14:13:41,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503541976] [2021-01-06 14:13:41,539 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:41,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:41,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:41,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:41,541 INFO L87 Difference]: Start difference. First operand 4632 states and 5000 transitions. Second operand 3 states. [2021-01-06 14:13:42,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:42,422 INFO L93 Difference]: Finished difference Result 5880 states and 6350 transitions. [2021-01-06 14:13:42,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:42,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 619 [2021-01-06 14:13:42,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:42,435 INFO L225 Difference]: With dead ends: 5880 [2021-01-06 14:13:42,436 INFO L226 Difference]: Without dead ends: 5878 [2021-01-06 14:13:42,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 622 GetRequests, 618 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:42,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2021-01-06 14:13:42,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 4632. [2021-01-06 14:13:42,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4632 states. [2021-01-06 14:13:42,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4632 states to 4632 states and 5000 transitions. [2021-01-06 14:13:42,542 INFO L78 Accepts]: Start accepts. Automaton has 4632 states and 5000 transitions. Word has length 619 [2021-01-06 14:13:42,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:42,543 INFO L481 AbstractCegarLoop]: Abstraction has 4632 states and 5000 transitions. [2021-01-06 14:13:42,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 4632 states and 5000 transitions. [2021-01-06 14:13:42,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2021-01-06 14:13:42,555 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:42,556 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2021-01-06 14:13:42,769 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-01-06 14:13:42,770 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:42,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:42,771 INFO L82 PathProgramCache]: Analyzing trace with hash -1748481757, now seen corresponding path program 1 times [2021-01-06 14:13:42,772 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:42,772 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237581025] [2021-01-06 14:13:42,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 944 proven. 11 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2021-01-06 14:13:43,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237581025] [2021-01-06 14:13:43,946 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [674927367] [2021-01-06 14:13:43,946 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:44,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:13:44,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1323 backedges. 639 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2021-01-06 14:13:45,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:45,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2021-01-06 14:13:45,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258064884] [2021-01-06 14:13:45,491 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:45,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:45,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:45,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:45,492 INFO L87 Difference]: Start difference. First operand 4632 states and 5000 transitions. Second operand 3 states. [2021-01-06 14:13:46,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:46,345 INFO L93 Difference]: Finished difference Result 9262 states and 10008 transitions. [2021-01-06 14:13:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:46,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 628 [2021-01-06 14:13:46,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:46,357 INFO L225 Difference]: With dead ends: 9262 [2021-01-06 14:13:46,358 INFO L226 Difference]: Without dead ends: 4810 [2021-01-06 14:13:46,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 631 GetRequests, 627 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:46,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4810 states. [2021-01-06 14:13:46,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4810 to 4810. [2021-01-06 14:13:46,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4810 states. [2021-01-06 14:13:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4810 states to 4810 states and 5123 transitions. [2021-01-06 14:13:46,468 INFO L78 Accepts]: Start accepts. Automaton has 4810 states and 5123 transitions. Word has length 628 [2021-01-06 14:13:46,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:46,469 INFO L481 AbstractCegarLoop]: Abstraction has 4810 states and 5123 transitions. [2021-01-06 14:13:46,469 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 4810 states and 5123 transitions. [2021-01-06 14:13:46,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2021-01-06 14:13:46,488 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:46,489 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-01-06 14:13:46,703 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-01-06 14:13:46,704 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:46,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:46,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1439738851, now seen corresponding path program 1 times [2021-01-06 14:13:46,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:46,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201646941] [2021-01-06 14:13:46,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:47,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1906 proven. 155 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2021-01-06 14:13:47,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201646941] [2021-01-06 14:13:47,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364771797] [2021-01-06 14:13:47,686 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:48,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:13:48,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2558 backedges. 1906 proven. 155 refuted. 0 times theorem prover too weak. 497 trivial. 0 not checked. [2021-01-06 14:13:49,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 14:13:49,299 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2021-01-06 14:13:49,299 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224483177] [2021-01-06 14:13:49,303 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 14:13:49,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:49,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 14:13:49,304 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:49,304 INFO L87 Difference]: Start difference. First operand 4810 states and 5123 transitions. Second operand 4 states. [2021-01-06 14:13:50,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:50,486 INFO L93 Difference]: Finished difference Result 10864 states and 11586 transitions. [2021-01-06 14:13:50,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 14:13:50,486 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 932 [2021-01-06 14:13:50,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:50,500 INFO L225 Difference]: With dead ends: 10864 [2021-01-06 14:13:50,500 INFO L226 Difference]: Without dead ends: 6234 [2021-01-06 14:13:50,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 935 GetRequests, 933 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 14:13:50,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states. [2021-01-06 14:13:50,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 5700. [2021-01-06 14:13:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5700 states. [2021-01-06 14:13:50,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5700 states to 5700 states and 6077 transitions. [2021-01-06 14:13:50,629 INFO L78 Accepts]: Start accepts. Automaton has 5700 states and 6077 transitions. Word has length 932 [2021-01-06 14:13:50,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:50,631 INFO L481 AbstractCegarLoop]: Abstraction has 5700 states and 6077 transitions. [2021-01-06 14:13:50,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 14:13:50,631 INFO L276 IsEmpty]: Start isEmpty. Operand 5700 states and 6077 transitions. [2021-01-06 14:13:50,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1023 [2021-01-06 14:13:50,650 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:50,651 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:50,865 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-01-06 14:13:50,865 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:50,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:50,867 INFO L82 PathProgramCache]: Analyzing trace with hash -1890752560, now seen corresponding path program 1 times [2021-01-06 14:13:50,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:50,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280065584] [2021-01-06 14:13:50,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:52,505 INFO L134 CoverageAnalysis]: Checked inductivity of 3133 backedges. 1997 proven. 93 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2021-01-06 14:13:52,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280065584] [2021-01-06 14:13:52,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681911960] [2021-01-06 14:13:52,506 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 14:13:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:52,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1270 conjuncts, 3 conjunts are in the unsatisfiable core [2021-01-06 14:13:52,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 14:13:54,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3133 backedges. 2090 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2021-01-06 14:13:54,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 14:13:54,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 14:13:54,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976202700] [2021-01-06 14:13:54,882 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:54,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:54,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:54,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:54,883 INFO L87 Difference]: Start difference. First operand 5700 states and 6077 transitions. Second operand 3 states. [2021-01-06 14:13:55,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:55,800 INFO L93 Difference]: Finished difference Result 11754 states and 12521 transitions. [2021-01-06 14:13:55,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:55,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1022 [2021-01-06 14:13:55,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:55,817 INFO L225 Difference]: With dead ends: 11754 [2021-01-06 14:13:55,818 INFO L226 Difference]: Without dead ends: 6234 [2021-01-06 14:13:55,827 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1025 GetRequests, 1021 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 14:13:55,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6234 states. [2021-01-06 14:13:55,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6234 to 5878. [2021-01-06 14:13:55,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5878 states. [2021-01-06 14:13:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5878 states to 5878 states and 6260 transitions. [2021-01-06 14:13:55,953 INFO L78 Accepts]: Start accepts. Automaton has 5878 states and 6260 transitions. Word has length 1022 [2021-01-06 14:13:55,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:55,954 INFO L481 AbstractCegarLoop]: Abstraction has 5878 states and 6260 transitions. [2021-01-06 14:13:55,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:55,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5878 states and 6260 transitions. [2021-01-06 14:13:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1100 [2021-01-06 14:13:55,979 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 14:13:55,980 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 14:13:56,195 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-01-06 14:13:56,196 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 14:13:56,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 14:13:56,197 INFO L82 PathProgramCache]: Analyzing trace with hash -913502566, now seen corresponding path program 1 times [2021-01-06 14:13:56,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 14:13:56,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703888052] [2021-01-06 14:13:56,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 14:13:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 14:13:57,482 INFO L134 CoverageAnalysis]: Checked inductivity of 3795 backedges. 485 proven. 0 refuted. 0 times theorem prover too weak. 3310 trivial. 0 not checked. [2021-01-06 14:13:57,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703888052] [2021-01-06 14:13:57,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 14:13:57,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 14:13:57,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437396243] [2021-01-06 14:13:57,485 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 14:13:57,485 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 14:13:57,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 14:13:57,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 14:13:57,486 INFO L87 Difference]: Start difference. First operand 5878 states and 6260 transitions. Second operand 3 states. [2021-01-06 14:13:58,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 14:13:58,475 INFO L93 Difference]: Finished difference Result 11930 states and 12707 transitions. [2021-01-06 14:13:58,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 14:13:58,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1099 [2021-01-06 14:13:58,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 14:13:58,478 INFO L225 Difference]: With dead ends: 11930 [2021-01-06 14:13:58,478 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 14:13:58,490 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 14:13:58,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 14:13:58,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 14:13:58,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 14:13:58,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 14:13:58,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1099 [2021-01-06 14:13:58,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 14:13:58,492 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 14:13:58,492 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 14:13:58,492 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 14:13:58,492 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 14:13:58,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-01-06 14:13:58,496 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 14:13:58,651 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-01-06 14:13:58,984 WARN L197 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2021-01-06 14:13:59,226 WARN L197 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2021-01-06 14:13:59,233 INFO L189 CegarLoopUtils]: For program point L762(lines 762 880) no Hoare annotation was computed. [2021-01-06 14:13:59,233 INFO L189 CegarLoopUtils]: For program point L895(line 895) no Hoare annotation was computed. [2021-01-06 14:13:59,233 INFO L189 CegarLoopUtils]: For program point L829(lines 829 880) no Hoare annotation was computed. [2021-01-06 14:13:59,233 INFO L189 CegarLoopUtils]: For program point L631(lines 631 880) no Hoare annotation was computed. [2021-01-06 14:13:59,234 INFO L189 CegarLoopUtils]: For program point L565(lines 565 880) no Hoare annotation was computed. [2021-01-06 14:13:59,234 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,234 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,234 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,234 INFO L189 CegarLoopUtils]: For program point L698(lines 698 880) no Hoare annotation was computed. [2021-01-06 14:13:59,234 INFO L189 CegarLoopUtils]: For program point L500(lines 500 880) no Hoare annotation was computed. [2021-01-06 14:13:59,234 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-01-06 14:13:59,234 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 14:13:59,234 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L369(lines 369 880) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L303(lines 303 880) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L436(lines 436 880) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L239(lines 239 880) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2021-01-06 14:13:59,235 INFO L189 CegarLoopUtils]: For program point L768(lines 768 880) no Hoare annotation was computed. [2021-01-06 14:13:59,236 INFO L189 CegarLoopUtils]: For program point L636(lines 636 880) no Hoare annotation was computed. [2021-01-06 14:13:59,236 INFO L189 CegarLoopUtils]: For program point L835(lines 835 880) no Hoare annotation was computed. [2021-01-06 14:13:59,236 INFO L189 CegarLoopUtils]: For program point L571(lines 571 880) no Hoare annotation was computed. [2021-01-06 14:13:59,236 INFO L189 CegarLoopUtils]: For program point L505(lines 505 880) no Hoare annotation was computed. [2021-01-06 14:13:59,236 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,236 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,236 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,236 INFO L189 CegarLoopUtils]: For program point L704(lines 704 880) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L309(lines 309 880) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L442(lines 442 880) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L376(lines 376 880) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L245(lines 245 880) no Hoare annotation was computed. [2021-01-06 14:13:59,237 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 14:13:59,238 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2021-01-06 14:13:59,238 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2021-01-06 14:13:59,238 INFO L189 CegarLoopUtils]: For program point L774(lines 774 880) no Hoare annotation was computed. [2021-01-06 14:13:59,238 INFO L189 CegarLoopUtils]: For program point L642(lines 642 880) no Hoare annotation was computed. [2021-01-06 14:13:59,238 INFO L189 CegarLoopUtils]: For program point L510(lines 510 880) no Hoare annotation was computed. [2021-01-06 14:13:59,238 INFO L189 CegarLoopUtils]: For program point L841(lines 841 880) no Hoare annotation was computed. [2021-01-06 14:13:59,238 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,238 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,238 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L710(lines 710 880) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L578(lines 578 880) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L315(lines 315 880) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L448(lines 448 880) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L382(lines 382 880) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,239 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L251(lines 251 880) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L648(lines 648 880) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L516(lines 516 880) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L847(lines 847 880) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L781(lines 781 880) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L583(lines 583 880) no Hoare annotation was computed. [2021-01-06 14:13:59,240 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point L716(lines 716 880) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point L321(lines 321 880) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point L454(lines 454 880) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point L388(lines 388 880) no Hoare annotation was computed. [2021-01-06 14:13:59,241 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 14:13:59,242 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,242 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,242 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,242 INFO L189 CegarLoopUtils]: For program point L257(lines 257 880) no Hoare annotation was computed. [2021-01-06 14:13:59,242 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-01-06 14:13:59,242 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2021-01-06 14:13:59,242 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-01-06 14:13:59,243 INFO L189 CegarLoopUtils]: For program point L852(lines 852 880) no Hoare annotation was computed. [2021-01-06 14:13:59,243 INFO L189 CegarLoopUtils]: For program point L654(lines 654 880) no Hoare annotation was computed. [2021-01-06 14:13:59,243 INFO L189 CegarLoopUtils]: For program point L522(lines 522 880) no Hoare annotation was computed. [2021-01-06 14:13:59,243 INFO L189 CegarLoopUtils]: For program point L787(lines 787 880) no Hoare annotation was computed. [2021-01-06 14:13:59,243 INFO L189 CegarLoopUtils]: For program point L589(lines 589 880) no Hoare annotation was computed. [2021-01-06 14:13:59,243 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,243 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,243 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,243 INFO L189 CegarLoopUtils]: For program point L722(lines 722 880) no Hoare annotation was computed. [2021-01-06 14:13:59,244 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-01-06 14:13:59,244 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2021-01-06 14:13:59,244 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2021-01-06 14:13:59,244 INFO L189 CegarLoopUtils]: For program point L459(lines 459 880) no Hoare annotation was computed. [2021-01-06 14:13:59,244 INFO L189 CegarLoopUtils]: For program point L327(lines 327 880) no Hoare annotation was computed. [2021-01-06 14:13:59,244 INFO L189 CegarLoopUtils]: For program point L394(lines 394 880) no Hoare annotation was computed. [2021-01-06 14:13:59,244 INFO L189 CegarLoopUtils]: For program point L262(lines 262 880) no Hoare annotation was computed. [2021-01-06 14:13:59,244 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point L858(lines 858 880) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 182) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point L660(lines 660 880) no Hoare annotation was computed. [2021-01-06 14:13:59,245 INFO L189 CegarLoopUtils]: For program point L528(lines 528 880) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L793(lines 793 880) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L595(lines 595 880) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L728(lines 728 880) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L464(lines 464 880) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L333(lines 333 880) no Hoare annotation was computed. [2021-01-06 14:13:59,246 INFO L189 CegarLoopUtils]: For program point L400(lines 400 880) no Hoare annotation was computed. [2021-01-06 14:13:59,247 INFO L189 CegarLoopUtils]: For program point L268(lines 268 880) no Hoare annotation was computed. [2021-01-06 14:13:59,247 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,247 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,247 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,247 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2021-01-06 14:13:59,247 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-01-06 14:13:59,247 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2021-01-06 14:13:59,247 INFO L189 CegarLoopUtils]: For program point L864(lines 864 880) no Hoare annotation was computed. [2021-01-06 14:13:59,248 INFO L189 CegarLoopUtils]: For program point L666(lines 666 880) no Hoare annotation was computed. [2021-01-06 14:13:59,248 INFO L189 CegarLoopUtils]: For program point L534(lines 534 880) no Hoare annotation was computed. [2021-01-06 14:13:59,248 INFO L189 CegarLoopUtils]: For program point L799(lines 799 880) no Hoare annotation was computed. [2021-01-06 14:13:59,248 INFO L189 CegarLoopUtils]: For program point L601(lines 601 880) no Hoare annotation was computed. [2021-01-06 14:13:59,248 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,248 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,248 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,248 INFO L189 CegarLoopUtils]: For program point L734(lines 734 880) no Hoare annotation was computed. [2021-01-06 14:13:59,249 INFO L189 CegarLoopUtils]: For program point L470(lines 470 880) no Hoare annotation was computed. [2021-01-06 14:13:59,249 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-01-06 14:13:59,249 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-01-06 14:13:59,249 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2021-01-06 14:13:59,249 INFO L189 CegarLoopUtils]: For program point L339(lines 339 880) no Hoare annotation was computed. [2021-01-06 14:13:59,249 INFO L189 CegarLoopUtils]: For program point L406(lines 406 880) no Hoare annotation was computed. [2021-01-06 14:13:59,249 INFO L189 CegarLoopUtils]: For program point L274(lines 274 880) no Hoare annotation was computed. [2021-01-06 14:13:59,250 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,250 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,250 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,250 INFO L189 CegarLoopUtils]: For program point L869(lines 869 880) no Hoare annotation was computed. [2021-01-06 14:13:59,250 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-01-06 14:13:59,250 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-01-06 14:13:59,250 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-01-06 14:13:59,250 INFO L189 CegarLoopUtils]: For program point L672(lines 672 880) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L540(lines 540 880) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L805(lines 805 880) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L607(lines 607 880) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L740(lines 740 880) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-01-06 14:13:59,251 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2021-01-06 14:13:59,252 INFO L189 CegarLoopUtils]: For program point L477(lines 477 880) no Hoare annotation was computed. [2021-01-06 14:13:59,252 INFO L189 CegarLoopUtils]: For program point L345(lines 345 880) no Hoare annotation was computed. [2021-01-06 14:13:59,252 INFO L189 CegarLoopUtils]: For program point L279(lines 279 880) no Hoare annotation was computed. [2021-01-06 14:13:59,252 INFO L189 CegarLoopUtils]: For program point L412(lines 412 880) no Hoare annotation was computed. [2021-01-06 14:13:59,252 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,252 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,252 INFO L189 CegarLoopUtils]: For program point L875(lines 875 880) no Hoare annotation was computed. [2021-01-06 14:13:59,253 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-01-06 14:13:59,295 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-01-06 14:13:59,295 INFO L189 CegarLoopUtils]: For program point L678(lines 678 880) no Hoare annotation was computed. [2021-01-06 14:13:59,296 INFO L189 CegarLoopUtils]: For program point L546(lines 546 880) no Hoare annotation was computed. [2021-01-06 14:13:59,296 INFO L189 CegarLoopUtils]: For program point L811(lines 811 880) no Hoare annotation was computed. [2021-01-06 14:13:59,296 INFO L189 CegarLoopUtils]: For program point L745(lines 745 880) no Hoare annotation was computed. [2021-01-06 14:13:59,296 INFO L189 CegarLoopUtils]: For program point L613(lines 613 880) no Hoare annotation was computed. [2021-01-06 14:13:59,296 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,296 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,296 INFO L189 CegarLoopUtils]: For program point L482(lines 482 880) no Hoare annotation was computed. [2021-01-06 14:13:59,296 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 14:13:59,297 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-01-06 14:13:59,297 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-01-06 14:13:59,297 INFO L189 CegarLoopUtils]: For program point L351(lines 351 880) no Hoare annotation was computed. [2021-01-06 14:13:59,297 INFO L189 CegarLoopUtils]: For program point L285(lines 285 880) no Hoare annotation was computed. [2021-01-06 14:13:59,297 INFO L189 CegarLoopUtils]: For program point L418(lines 418 880) no Hoare annotation was computed. [2021-01-06 14:13:59,297 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,297 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,298 INFO L185 CegarLoopUtils]: At program point L881(lines 30 882) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (or (and .cse0 (<= 10 ~a21~0)) (and (<= ~a21~0 7) (<= (+ ~a12~0 43) 0) (<= ~a15~0 8)) (and .cse0 (<= ~a12~0 78)) (and (<= 6 ~a15~0) .cse0) (and .cse0 (<= ~a21~0 8)))) [2021-01-06 14:13:59,298 INFO L189 CegarLoopUtils]: For program point L551(lines 551 880) no Hoare annotation was computed. [2021-01-06 14:13:59,298 INFO L189 CegarLoopUtils]: For program point L221(lines 221 880) no Hoare annotation was computed. [2021-01-06 14:13:59,298 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-01-06 14:13:59,298 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L684(lines 684 880) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L817(lines 817 880) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L751(lines 751 880) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L619(lines 619 880) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L192 CegarLoopUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L488(lines 488 880) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L290(lines 290 880) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-01-06 14:13:59,299 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-01-06 14:13:59,300 INFO L189 CegarLoopUtils]: For program point L687(lines 687 880) no Hoare annotation was computed. [2021-01-06 14:13:59,300 INFO L189 CegarLoopUtils]: For program point L357(lines 357 880) no Hoare annotation was computed. [2021-01-06 14:13:59,300 INFO L189 CegarLoopUtils]: For program point L424(lines 424 880) no Hoare annotation was computed. [2021-01-06 14:13:59,300 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,300 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,300 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 14:13:59,300 INFO L189 CegarLoopUtils]: For program point L557(lines 557 880) no Hoare annotation was computed. [2021-01-06 14:13:59,300 INFO L189 CegarLoopUtils]: For program point L227(lines 227 880) no Hoare annotation was computed. [2021-01-06 14:13:59,300 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-01-06 14:13:59,301 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-01-06 14:13:59,301 INFO L189 CegarLoopUtils]: For program point L757(lines 757 880) no Hoare annotation was computed. [2021-01-06 14:13:59,301 INFO L189 CegarLoopUtils]: For program point L625(lines 625 880) no Hoare annotation was computed. [2021-01-06 14:13:59,301 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,301 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,301 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-01-06 14:13:59,301 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,301 INFO L189 CegarLoopUtils]: For program point L824(lines 824 880) no Hoare annotation was computed. [2021-01-06 14:13:59,302 INFO L185 CegarLoopUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (let ((.cse0 (= ~a24~0 1))) (or (and .cse0 (<= 10 ~a21~0)) (and (<= ~a21~0 7) (<= (+ ~a12~0 43) 0) (<= ~a15~0 8)) (and .cse0 (<= ~a12~0 78)) (and (<= 6 ~a15~0) .cse0) (and .cse0 (<= ~a21~0 8)))) [2021-01-06 14:13:59,302 INFO L189 CegarLoopUtils]: For program point L494(lines 494 880) no Hoare annotation was computed. [2021-01-06 14:13:59,302 INFO L189 CegarLoopUtils]: For program point L296(lines 296 880) no Hoare annotation was computed. [2021-01-06 14:13:59,302 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2021-01-06 14:13:59,302 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2021-01-06 14:13:59,302 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2021-01-06 14:13:59,302 INFO L189 CegarLoopUtils]: For program point L693(lines 693 880) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L363(lines 363 880) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L562(lines 562 880) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L430(lines 430 880) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 882) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L233(lines 233 880) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2021-01-06 14:13:59,303 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2021-01-06 14:13:59,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 02:13:59 BoogieIcfgContainer [2021-01-06 14:13:59,329 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 14:13:59,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 14:13:59,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 14:13:59,330 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 14:13:59,330 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 02:13:06" (3/4) ... [2021-01-06 14:13:59,335 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 14:13:59,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 14:13:59,368 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 14:13:59,370 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 14:13:59,372 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 14:13:59,564 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem14_label17.c-witness.graphml [2021-01-06 14:13:59,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 14:13:59,566 INFO L168 Benchmark]: Toolchain (without parser) took 55999.50 ms. Allocated memory was 151.0 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 124.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 41.7 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:59,567 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 14:13:59,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1158.79 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 123.5 MB in the end (delta: 774.3 kB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:59,570 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.72 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 114.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:59,570 INFO L168 Benchmark]: Boogie Preprocessor took 145.17 ms. Allocated memory is still 151.0 MB. Free memory was 114.1 MB in the beginning and 107.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:59,571 INFO L168 Benchmark]: RCFGBuilder took 1856.25 ms. Allocated memory was 151.0 MB in the beginning and 196.1 MB in the end (delta: 45.1 MB). Free memory was 107.3 MB in the beginning and 160.6 MB in the end (delta: -53.3 MB). Peak memory consumption was 79.9 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:59,571 INFO L168 Benchmark]: TraceAbstraction took 52461.25 ms. Allocated memory was 196.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 160.1 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 900.9 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:59,572 INFO L168 Benchmark]: Witness Printer took 234.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2021-01-06 14:13:59,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 151.0 MB. Free memory is still 123.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1158.79 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 123.5 MB in the end (delta: 774.3 kB). Peak memory consumption was 28.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 131.72 ms. Allocated memory is still 151.0 MB. Free memory was 123.5 MB in the beginning and 114.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 145.17 ms. Allocated memory is still 151.0 MB. Free memory was 114.1 MB in the beginning and 107.8 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1856.25 ms. Allocated memory was 151.0 MB in the beginning and 196.1 MB in the end (delta: 45.1 MB). Free memory was 107.3 MB in the beginning and 160.6 MB in the end (delta: -53.3 MB). Peak memory consumption was 79.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 52461.25 ms. Allocated memory was 196.1 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 160.1 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 900.9 MB. Max. memory is 8.0 GB. * Witness Printer took 234.73 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.1 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 182]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 884]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 == 1 && 10 <= a21) || ((a21 <= 7 && a12 + 43 <= 0) && a15 <= 8)) || (a24 == 1 && a12 <= 78)) || (6 <= a15 && a24 == 1)) || (a24 == 1 && a21 <= 8) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a24 == 1 && 10 <= a21) || ((a21 <= 7 && a12 + 43 <= 0) && a15 <= 8)) || (a24 == 1 && a12 <= 78)) || (6 <= a15 && a24 == 1)) || (a24 == 1 && a21 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 51.5s, OverallIterations: 19, TraceHistogramMax: 10, AutomataDifference: 20.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1411 SDtfs, 2376 SDslu, 100 SDs, 0 SdLazy, 9785 SolverSat, 1141 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6259 GetRequests, 6209 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5878occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 19 MinimizatonAttempts, 5162 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 79 NumberOfFragments, 83 HoareAnnotationTreeSize, 3 FomulaSimplifications, 5630 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 660 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 14.0s InterpolantComputationTime, 15624 NumberOfCodeBlocks, 15624 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 15595 ConstructedInterpolants, 0 QuantifiedInterpolants, 32211784 SizeOfPredicates, 0 NumberOfNonLiveVariables, 7954 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 29 InterpolantComputations, 18 PerfectInterpolantSequences, 32368/33160 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...