/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/Problem10_label00.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 13:29:34,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 13:29:34,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 13:29:34,772 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 13:29:34,772 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 13:29:34,776 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 13:29:34,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 13:29:34,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 13:29:34,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 13:29:34,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 13:29:34,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 13:29:34,801 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 13:29:34,802 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 13:29:34,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 13:29:34,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 13:29:34,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 13:29:34,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 13:29:34,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 13:29:34,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 13:29:34,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 13:29:34,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 13:29:34,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 13:29:34,846 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 13:29:34,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 13:29:34,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-01-06 13:29:34,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 13:29:34,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 13:29:34,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 13:29:34,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 13:29:34,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 13:29:34,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 13:29:34,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 13:29:34,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 13:29:34,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 13:29:34,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 13:29:34,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 13:29:34,879 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 13:29:34,927 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 13:29:34,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 13:29:34,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 13:29:34,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 13:29:34,932 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 13:29:34,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 13:29:34,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 13:29:34,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 13:29:34,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 13:29:34,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 13:29:34,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 13:29:34,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 13:29:34,935 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 13:29:34,935 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 13:29:34,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 13:29:34,936 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 13:29:34,936 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 13:29:34,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 13:29:34,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 13:29:34,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 13:29:34,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 13:29:34,937 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 13:29:34,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 13:29:34,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 13:29:34,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 13:29:34,938 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 13:29:35,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 13:29:35,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 13:29:35,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 13:29:35,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 13:29:35,401 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 13:29:35,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem10_label00.c [2021-01-06 13:29:35,483 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/661dcb148/bb2ab2ddedcc4b778a0a55b05b49acaf/FLAGa3491b831 [2021-01-06 13:29:36,291 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 13:29:36,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem10_label00.c [2021-01-06 13:29:36,308 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/661dcb148/bb2ab2ddedcc4b778a0a55b05b49acaf/FLAGa3491b831 [2021-01-06 13:29:36,563 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/661dcb148/bb2ab2ddedcc4b778a0a55b05b49acaf [2021-01-06 13:29:36,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 13:29:36,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 13:29:36,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 13:29:36,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 13:29:36,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 13:29:36,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:29:36" (1/1) ... [2021-01-06 13:29:36,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27a34474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:36, skipping insertion in model container [2021-01-06 13:29:36,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 01:29:36" (1/1) ... [2021-01-06 13:29:36,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 13:29:36,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-01-06 13:29:36,897 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/Problem10_label00.c[5445,5458] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 13:29:37,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:29:37,105 INFO L203 MainTranslator]: Completed pre-run [2021-01-06 13:29:37,151 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/Problem10_label00.c[5445,5458] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a10~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~a19~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~input~0,] left hand side expression in assignment: lhs: VariableLHS[~output~0,] [2021-01-06 13:29:37,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 13:29:37,372 INFO L208 MainTranslator]: Completed translation [2021-01-06 13:29:37,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37 WrapperNode [2021-01-06 13:29:37,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 13:29:37,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 13:29:37,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 13:29:37,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 13:29:37,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (1/1) ... [2021-01-06 13:29:37,416 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (1/1) ... [2021-01-06 13:29:37,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 13:29:37,521 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 13:29:37,521 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 13:29:37,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 13:29:37,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (1/1) ... [2021-01-06 13:29:37,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (1/1) ... [2021-01-06 13:29:37,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (1/1) ... [2021-01-06 13:29:37,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (1/1) ... [2021-01-06 13:29:37,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (1/1) ... [2021-01-06 13:29:37,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (1/1) ... [2021-01-06 13:29:37,599 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (1/1) ... [2021-01-06 13:29:37,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 13:29:37,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 13:29:37,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 13:29:37,615 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 13:29:37,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (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 13:29:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 13:29:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 13:29:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 13:29:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 13:29:39,340 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 13:29:39,341 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-01-06 13:29:39,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:29:39 BoogieIcfgContainer [2021-01-06 13:29:39,343 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 13:29:39,345 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 13:29:39,345 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 13:29:39,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 13:29:39,349 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 01:29:36" (1/3) ... [2021-01-06 13:29:39,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709bed0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:29:39, skipping insertion in model container [2021-01-06 13:29:39,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 01:29:37" (2/3) ... [2021-01-06 13:29:39,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709bed0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 01:29:39, skipping insertion in model container [2021-01-06 13:29:39,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:29:39" (3/3) ... [2021-01-06 13:29:39,352 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label00.c [2021-01-06 13:29:39,360 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 13:29:39,365 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 13:29:39,385 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 13:29:39,415 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 13:29:39,415 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 13:29:39,415 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 13:29:39,415 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 13:29:39,415 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 13:29:39,415 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 13:29:39,416 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 13:29:39,416 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 13:29:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2021-01-06 13:29:39,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-01-06 13:29:39,446 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:39,447 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:29:39,447 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:39,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:39,454 INFO L82 PathProgramCache]: Analyzing trace with hash 433832817, now seen corresponding path program 1 times [2021-01-06 13:29:39,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:39,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558238659] [2021-01-06 13:29:39,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:39,798 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 13:29:39,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558238659] [2021-01-06 13:29:39,800 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:39,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:29:39,802 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226019810] [2021-01-06 13:29:39,809 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:29:39,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:39,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:29:39,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:29:39,833 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 3 states. [2021-01-06 13:29:41,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:41,334 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions. [2021-01-06 13:29:41,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:29:41,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-01-06 13:29:41,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:41,375 INFO L225 Difference]: With dead ends: 552 [2021-01-06 13:29:41,376 INFO L226 Difference]: Without dead ends: 282 [2021-01-06 13:29:41,380 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 13:29:41,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2021-01-06 13:29:41,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282. [2021-01-06 13:29:41,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-01-06 13:29:41,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 432 transitions. [2021-01-06 13:29:41,490 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 432 transitions. Word has length 47 [2021-01-06 13:29:41,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:41,490 INFO L481 AbstractCegarLoop]: Abstraction has 282 states and 432 transitions. [2021-01-06 13:29:41,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:29:41,491 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 432 transitions. [2021-01-06 13:29:41,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-01-06 13:29:41,496 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:41,496 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, 1, 1, 1, 1, 1, 1, 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 13:29:41,497 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 13:29:41,497 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:41,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:41,498 INFO L82 PathProgramCache]: Analyzing trace with hash -260698007, now seen corresponding path program 1 times [2021-01-06 13:29:41,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:41,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645630724] [2021-01-06 13:29:41,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:41,742 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:29:41,742 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645630724] [2021-01-06 13:29:41,742 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:41,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:29:41,743 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498629407] [2021-01-06 13:29:41,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:29:41,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:41,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:29:41,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:29:41,747 INFO L87 Difference]: Start difference. First operand 282 states and 432 transitions. Second operand 3 states. [2021-01-06 13:29:42,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:42,805 INFO L93 Difference]: Finished difference Result 701 states and 1076 transitions. [2021-01-06 13:29:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:29:42,806 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2021-01-06 13:29:42,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:42,810 INFO L225 Difference]: With dead ends: 701 [2021-01-06 13:29:42,810 INFO L226 Difference]: Without dead ends: 421 [2021-01-06 13:29:42,813 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 13:29:42,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2021-01-06 13:29:42,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421. [2021-01-06 13:29:42,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2021-01-06 13:29:42,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 606 transitions. [2021-01-06 13:29:42,841 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 606 transitions. Word has length 116 [2021-01-06 13:29:42,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:42,841 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 606 transitions. [2021-01-06 13:29:42,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:29:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 606 transitions. [2021-01-06 13:29:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-01-06 13:29:42,845 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:42,845 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:42,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 13:29:42,846 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:42,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:42,847 INFO L82 PathProgramCache]: Analyzing trace with hash -1170860008, now seen corresponding path program 1 times [2021-01-06 13:29:42,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:42,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781900279] [2021-01-06 13:29:42,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:43,037 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:29:43,037 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781900279] [2021-01-06 13:29:43,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:43,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:29:43,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056800257] [2021-01-06 13:29:43,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:29:43,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:43,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:29:43,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:29:43,040 INFO L87 Difference]: Start difference. First operand 421 states and 606 transitions. Second operand 3 states. [2021-01-06 13:29:44,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:44,173 INFO L93 Difference]: Finished difference Result 1118 states and 1639 transitions. [2021-01-06 13:29:44,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:29:44,174 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2021-01-06 13:29:44,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:44,180 INFO L225 Difference]: With dead ends: 1118 [2021-01-06 13:29:44,181 INFO L226 Difference]: Without dead ends: 838 [2021-01-06 13:29:44,182 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 13:29:44,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-01-06 13:29:44,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2021-01-06 13:29:44,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2021-01-06 13:29:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 929 transitions. [2021-01-06 13:29:44,212 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 929 transitions. Word has length 122 [2021-01-06 13:29:44,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:44,213 INFO L481 AbstractCegarLoop]: Abstraction has 699 states and 929 transitions. [2021-01-06 13:29:44,213 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:29:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 929 transitions. [2021-01-06 13:29:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-01-06 13:29:44,217 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:44,217 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:44,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 13:29:44,218 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:44,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1942214390, now seen corresponding path program 1 times [2021-01-06 13:29:44,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:44,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174634800] [2021-01-06 13:29:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:44,548 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:29:44,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174634800] [2021-01-06 13:29:44,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:44,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:29:44,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141650245] [2021-01-06 13:29:44,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 13:29:44,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:44,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 13:29:44,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:29:44,556 INFO L87 Difference]: Start difference. First operand 699 states and 929 transitions. Second operand 4 states. [2021-01-06 13:29:45,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:45,735 INFO L93 Difference]: Finished difference Result 1129 states and 1544 transitions. [2021-01-06 13:29:45,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 13:29:45,736 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2021-01-06 13:29:45,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:45,740 INFO L225 Difference]: With dead ends: 1129 [2021-01-06 13:29:45,740 INFO L226 Difference]: Without dead ends: 571 [2021-01-06 13:29:45,741 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 13:29:45,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2021-01-06 13:29:45,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 560. [2021-01-06 13:29:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 560 states. [2021-01-06 13:29:45,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 750 transitions. [2021-01-06 13:29:45,757 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 750 transitions. Word has length 141 [2021-01-06 13:29:45,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:45,758 INFO L481 AbstractCegarLoop]: Abstraction has 560 states and 750 transitions. [2021-01-06 13:29:45,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 13:29:45,758 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 750 transitions. [2021-01-06 13:29:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-01-06 13:29:45,762 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:45,762 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, 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] [2021-01-06 13:29:45,763 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 13:29:45,763 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:45,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:45,764 INFO L82 PathProgramCache]: Analyzing trace with hash 424013942, now seen corresponding path program 1 times [2021-01-06 13:29:45,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:45,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428529191] [2021-01-06 13:29:45,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-01-06 13:29:45,971 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428529191] [2021-01-06 13:29:45,971 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:45,971 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 13:29:45,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42662903] [2021-01-06 13:29:45,972 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:29:45,972 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:45,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:29:45,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:29:45,973 INFO L87 Difference]: Start difference. First operand 560 states and 750 transitions. Second operand 3 states. [2021-01-06 13:29:46,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:46,987 INFO L93 Difference]: Finished difference Result 1257 states and 1742 transitions. [2021-01-06 13:29:46,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:29:46,988 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2021-01-06 13:29:46,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:46,994 INFO L225 Difference]: With dead ends: 1257 [2021-01-06 13:29:46,994 INFO L226 Difference]: Without dead ends: 838 [2021-01-06 13:29:46,995 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 13:29:46,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2021-01-06 13:29:47,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 838. [2021-01-06 13:29:47,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 838 states. [2021-01-06 13:29:47,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 838 states and 1068 transitions. [2021-01-06 13:29:47,017 INFO L78 Accepts]: Start accepts. Automaton has 838 states and 1068 transitions. Word has length 182 [2021-01-06 13:29:47,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:47,017 INFO L481 AbstractCegarLoop]: Abstraction has 838 states and 1068 transitions. [2021-01-06 13:29:47,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:29:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1068 transitions. [2021-01-06 13:29:47,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-01-06 13:29:47,021 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:47,021 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, 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] [2021-01-06 13:29:47,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 13:29:47,022 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:47,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:47,022 INFO L82 PathProgramCache]: Analyzing trace with hash -641233015, now seen corresponding path program 1 times [2021-01-06 13:29:47,023 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:47,023 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355814509] [2021-01-06 13:29:47,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:47,190 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:29:47,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355814509] [2021-01-06 13:29:47,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:47,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:29:47,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260148830] [2021-01-06 13:29:47,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:29:47,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:47,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:29:47,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:29:47,194 INFO L87 Difference]: Start difference. First operand 838 states and 1068 transitions. Second operand 3 states. [2021-01-06 13:29:48,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:48,133 INFO L93 Difference]: Finished difference Result 1813 states and 2369 transitions. [2021-01-06 13:29:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:29:48,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2021-01-06 13:29:48,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:48,140 INFO L225 Difference]: With dead ends: 1813 [2021-01-06 13:29:48,140 INFO L226 Difference]: Without dead ends: 1116 [2021-01-06 13:29:48,141 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 13:29:48,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-01-06 13:29:48,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2021-01-06 13:29:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-01-06 13:29:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1217 transitions. [2021-01-06 13:29:48,168 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1217 transitions. Word has length 199 [2021-01-06 13:29:48,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:48,168 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1217 transitions. [2021-01-06 13:29:48,169 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:29:48,169 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1217 transitions. [2021-01-06 13:29:48,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-01-06 13:29:48,172 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:48,173 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, 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] [2021-01-06 13:29:48,173 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 13:29:48,174 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:48,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:48,174 INFO L82 PathProgramCache]: Analyzing trace with hash 529343296, now seen corresponding path program 1 times [2021-01-06 13:29:48,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:48,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577673674] [2021-01-06 13:29:48,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:48,343 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-01-06 13:29:48,344 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577673674] [2021-01-06 13:29:48,344 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:48,344 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:29:48,345 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952803432] [2021-01-06 13:29:48,345 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:29:48,346 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:48,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:29:48,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:29:48,346 INFO L87 Difference]: Start difference. First operand 977 states and 1217 transitions. Second operand 3 states. [2021-01-06 13:29:49,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:49,496 INFO L93 Difference]: Finished difference Result 1396 states and 1711 transitions. [2021-01-06 13:29:49,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:29:49,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2021-01-06 13:29:49,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:49,504 INFO L225 Difference]: With dead ends: 1396 [2021-01-06 13:29:49,505 INFO L226 Difference]: Without dead ends: 1394 [2021-01-06 13:29:49,505 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:29:49,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states. [2021-01-06 13:29:49,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 977. [2021-01-06 13:29:49,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2021-01-06 13:29:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1217 transitions. [2021-01-06 13:29:49,529 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1217 transitions. Word has length 221 [2021-01-06 13:29:49,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:49,530 INFO L481 AbstractCegarLoop]: Abstraction has 977 states and 1217 transitions. [2021-01-06 13:29:49,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:29:49,530 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1217 transitions. [2021-01-06 13:29:49,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-01-06 13:29:49,535 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:49,536 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, 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, 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] [2021-01-06 13:29:49,536 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 13:29:49,536 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:49,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:49,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1146314071, now seen corresponding path program 1 times [2021-01-06 13:29:49,537 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:49,537 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710440742] [2021-01-06 13:29:49,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 89 proven. 114 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 13:29:50,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710440742] [2021-01-06 13:29:50,266 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433156399] [2021-01-06 13:29:50,266 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 13:29:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:50,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 2 conjunts are in the unsatisfiable core [2021-01-06 13:29:50,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 13:29:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-01-06 13:29:51,104 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-01-06 13:29:51,104 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-01-06 13:29:51,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661093067] [2021-01-06 13:29:51,105 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:29:51,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:51,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:29:51,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-01-06 13:29:51,107 INFO L87 Difference]: Start difference. First operand 977 states and 1217 transitions. Second operand 3 states. [2021-01-06 13:29:52,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:52,118 INFO L93 Difference]: Finished difference Result 2091 states and 2667 transitions. [2021-01-06 13:29:52,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:29:52,119 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 292 [2021-01-06 13:29:52,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:52,127 INFO L225 Difference]: With dead ends: 2091 [2021-01-06 13:29:52,127 INFO L226 Difference]: Without dead ends: 1255 [2021-01-06 13:29:52,129 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 292 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 13:29:52,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2021-01-06 13:29:52,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1116. [2021-01-06 13:29:52,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2021-01-06 13:29:52,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1381 transitions. [2021-01-06 13:29:52,162 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1381 transitions. Word has length 292 [2021-01-06 13:29:52,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:52,163 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1381 transitions. [2021-01-06 13:29:52,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:29:52,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1381 transitions. [2021-01-06 13:29:52,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-01-06 13:29:52,171 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:52,171 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:29:52,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-01-06 13:29:52,384 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:52,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:52,385 INFO L82 PathProgramCache]: Analyzing trace with hash -147873201, now seen corresponding path program 1 times [2021-01-06 13:29:52,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:52,386 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027640493] [2021-01-06 13:29:52,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-01-06 13:29:52,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027640493] [2021-01-06 13:29:52,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:52,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 13:29:52,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044621267] [2021-01-06 13:29:52,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 13:29:52,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:52,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 13:29:52,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:29:52,795 INFO L87 Difference]: Start difference. First operand 1116 states and 1381 transitions. Second operand 7 states. [2021-01-06 13:29:53,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:53,935 INFO L93 Difference]: Finished difference Result 2146 states and 2671 transitions. [2021-01-06 13:29:53,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 13:29:53,936 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 312 [2021-01-06 13:29:53,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:53,942 INFO L225 Difference]: With dead ends: 2146 [2021-01-06 13:29:53,942 INFO L226 Difference]: Without dead ends: 1116 [2021-01-06 13:29:53,944 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-01-06 13:29:53,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2021-01-06 13:29:53,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 1116. [2021-01-06 13:29:53,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1116 states. [2021-01-06 13:29:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1377 transitions. [2021-01-06 13:29:53,973 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1377 transitions. Word has length 312 [2021-01-06 13:29:53,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:53,973 INFO L481 AbstractCegarLoop]: Abstraction has 1116 states and 1377 transitions. [2021-01-06 13:29:53,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 13:29:53,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1377 transitions. [2021-01-06 13:29:53,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-01-06 13:29:53,980 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:53,981 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, 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, 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] [2021-01-06 13:29:53,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 13:29:53,981 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:53,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:53,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1970068201, now seen corresponding path program 1 times [2021-01-06 13:29:53,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:53,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249147874] [2021-01-06 13:29:53,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:54,220 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-01-06 13:29:54,220 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249147874] [2021-01-06 13:29:54,221 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:54,221 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:29:54,221 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084746298] [2021-01-06 13:29:54,222 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 13:29:54,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:54,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 13:29:54,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 13:29:54,223 INFO L87 Difference]: Start difference. First operand 1116 states and 1377 transitions. Second operand 3 states. [2021-01-06 13:29:55,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:55,290 INFO L93 Difference]: Finished difference Result 2786 states and 3438 transitions. [2021-01-06 13:29:55,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 13:29:55,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 348 [2021-01-06 13:29:55,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:55,301 INFO L225 Difference]: With dead ends: 2786 [2021-01-06 13:29:55,301 INFO L226 Difference]: Without dead ends: 1811 [2021-01-06 13:29:55,304 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 13:29:55,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2021-01-06 13:29:55,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2021-01-06 13:29:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2021-01-06 13:29:55,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2147 transitions. [2021-01-06 13:29:55,350 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2147 transitions. Word has length 348 [2021-01-06 13:29:55,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:55,351 INFO L481 AbstractCegarLoop]: Abstraction has 1811 states and 2147 transitions. [2021-01-06 13:29:55,351 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 13:29:55,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2147 transitions. [2021-01-06 13:29:55,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2021-01-06 13:29:55,361 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 13:29:55,361 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, 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 13:29:55,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 13:29:55,362 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 13:29:55,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 13:29:55,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1812872635, now seen corresponding path program 1 times [2021-01-06 13:29:55,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 13:29:55,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382038954] [2021-01-06 13:29:55,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 13:29:55,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 13:29:55,973 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2021-01-06 13:29:55,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382038954] [2021-01-06 13:29:55,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 13:29:55,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 13:29:55,975 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837858751] [2021-01-06 13:29:55,975 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 13:29:55,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 13:29:55,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 13:29:55,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-01-06 13:29:55,976 INFO L87 Difference]: Start difference. First operand 1811 states and 2147 transitions. Second operand 4 states. [2021-01-06 13:29:56,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 13:29:56,759 INFO L93 Difference]: Finished difference Result 3346 states and 3965 transitions. [2021-01-06 13:29:56,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 13:29:56,760 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 361 [2021-01-06 13:29:56,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 13:29:56,761 INFO L225 Difference]: With dead ends: 3346 [2021-01-06 13:29:56,761 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 13:29:56,765 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 13:29:56,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 13:29:56,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 13:29:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 13:29:56,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 13:29:56,766 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 361 [2021-01-06 13:29:56,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 13:29:56,766 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 13:29:56,767 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 13:29:56,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 13:29:56,767 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 13:29:56,767 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 13:29:56,769 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 13:29:57,042 WARN L197 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2021-01-06 13:29:57,285 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2021-01-06 13:29:57,290 INFO L189 CegarLoopUtils]: For program point L597(line 597) no Hoare annotation was computed. [2021-01-06 13:29:57,290 INFO L189 CegarLoopUtils]: For program point L564(lines 564 582) no Hoare annotation was computed. [2021-01-06 13:29:57,290 INFO L189 CegarLoopUtils]: For program point L333(lines 333 582) no Hoare annotation was computed. [2021-01-06 13:29:57,290 INFO L189 CegarLoopUtils]: For program point L367(lines 367 582) no Hoare annotation was computed. [2021-01-06 13:29:57,291 INFO L189 CegarLoopUtils]: For program point L301(lines 301 582) no Hoare annotation was computed. [2021-01-06 13:29:57,291 INFO L189 CegarLoopUtils]: For program point L235(lines 235 582) no Hoare annotation was computed. [2021-01-06 13:29:57,291 INFO L189 CegarLoopUtils]: For program point L202-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,291 INFO L189 CegarLoopUtils]: For program point L169-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,291 INFO L189 CegarLoopUtils]: For program point L136-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,291 INFO L189 CegarLoopUtils]: For program point L103-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,291 INFO L189 CegarLoopUtils]: For program point L70-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,292 INFO L189 CegarLoopUtils]: For program point L37-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,292 INFO L189 CegarLoopUtils]: For program point L533(lines 533 582) no Hoare annotation was computed. [2021-01-06 13:29:57,292 INFO L189 CegarLoopUtils]: For program point L203(line 203) no Hoare annotation was computed. [2021-01-06 13:29:57,292 INFO L189 CegarLoopUtils]: For program point L170(line 170) no Hoare annotation was computed. [2021-01-06 13:29:57,292 INFO L189 CegarLoopUtils]: For program point L137(line 137) no Hoare annotation was computed. [2021-01-06 13:29:57,292 INFO L189 CegarLoopUtils]: For program point L104(line 104) no Hoare annotation was computed. [2021-01-06 13:29:57,292 INFO L189 CegarLoopUtils]: For program point L71(line 71) no Hoare annotation was computed. [2021-01-06 13:29:57,292 INFO L189 CegarLoopUtils]: For program point L38(line 38) no Hoare annotation was computed. [2021-01-06 13:29:57,293 INFO L189 CegarLoopUtils]: For program point L567(lines 567 582) no Hoare annotation was computed. [2021-01-06 13:29:57,293 INFO L189 CegarLoopUtils]: For program point L435(lines 435 582) no Hoare annotation was computed. [2021-01-06 13:29:57,293 INFO L189 CegarLoopUtils]: For program point L336(lines 336 582) no Hoare annotation was computed. [2021-01-06 13:29:57,293 INFO L189 CegarLoopUtils]: For program point L270(lines 270 582) no Hoare annotation was computed. [2021-01-06 13:29:57,293 INFO L189 CegarLoopUtils]: For program point L403(lines 403 582) no Hoare annotation was computed. [2021-01-06 13:29:57,293 INFO L189 CegarLoopUtils]: For program point L370(lines 370 582) no Hoare annotation was computed. [2021-01-06 13:29:57,293 INFO L189 CegarLoopUtils]: For program point L205-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,293 INFO L189 CegarLoopUtils]: For program point L172-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,294 INFO L189 CegarLoopUtils]: For program point L139-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,294 INFO L189 CegarLoopUtils]: For program point L106-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,294 INFO L189 CegarLoopUtils]: For program point L73-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,294 INFO L189 CegarLoopUtils]: For program point L40-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,294 INFO L189 CegarLoopUtils]: For program point L536(lines 536 582) no Hoare annotation was computed. [2021-01-06 13:29:57,294 INFO L189 CegarLoopUtils]: For program point L503(lines 503 582) no Hoare annotation was computed. [2021-01-06 13:29:57,294 INFO L189 CegarLoopUtils]: For program point L470(lines 470 582) no Hoare annotation was computed. [2021-01-06 13:29:57,294 INFO L189 CegarLoopUtils]: For program point L206(line 206) no Hoare annotation was computed. [2021-01-06 13:29:57,295 INFO L189 CegarLoopUtils]: For program point L173(line 173) no Hoare annotation was computed. [2021-01-06 13:29:57,295 INFO L189 CegarLoopUtils]: For program point L140(line 140) no Hoare annotation was computed. [2021-01-06 13:29:57,295 INFO L189 CegarLoopUtils]: For program point L107(line 107) no Hoare annotation was computed. [2021-01-06 13:29:57,295 INFO L189 CegarLoopUtils]: For program point L74(line 74) no Hoare annotation was computed. [2021-01-06 13:29:57,295 INFO L189 CegarLoopUtils]: For program point L41(line 41) no Hoare annotation was computed. [2021-01-06 13:29:57,295 INFO L189 CegarLoopUtils]: For program point L339(lines 339 582) no Hoare annotation was computed. [2021-01-06 13:29:57,295 INFO L189 CegarLoopUtils]: For program point L306(lines 306 582) no Hoare annotation was computed. [2021-01-06 13:29:57,295 INFO L189 CegarLoopUtils]: For program point L241(lines 241 582) no Hoare annotation was computed. [2021-01-06 13:29:57,296 INFO L189 CegarLoopUtils]: For program point L208-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,296 INFO L189 CegarLoopUtils]: For program point L175-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,296 INFO L189 CegarLoopUtils]: For program point L142-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,296 INFO L189 CegarLoopUtils]: For program point L109-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,296 INFO L189 CegarLoopUtils]: For program point L76-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,296 INFO L189 CegarLoopUtils]: For program point L43-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,296 INFO L189 CegarLoopUtils]: For program point L539(lines 539 582) no Hoare annotation was computed. [2021-01-06 13:29:57,296 INFO L189 CegarLoopUtils]: For program point L440(lines 440 582) no Hoare annotation was computed. [2021-01-06 13:29:57,297 INFO L189 CegarLoopUtils]: For program point L275(lines 275 582) no Hoare annotation was computed. [2021-01-06 13:29:57,297 INFO L189 CegarLoopUtils]: For program point L209(line 209) no Hoare annotation was computed. [2021-01-06 13:29:57,297 INFO L189 CegarLoopUtils]: For program point L176(line 176) no Hoare annotation was computed. [2021-01-06 13:29:57,297 INFO L189 CegarLoopUtils]: For program point L143(line 143) no Hoare annotation was computed. [2021-01-06 13:29:57,297 INFO L189 CegarLoopUtils]: For program point L110(line 110) no Hoare annotation was computed. [2021-01-06 13:29:57,297 INFO L189 CegarLoopUtils]: For program point L77(line 77) no Hoare annotation was computed. [2021-01-06 13:29:57,297 INFO L189 CegarLoopUtils]: For program point L44(line 44) no Hoare annotation was computed. [2021-01-06 13:29:57,298 INFO L189 CegarLoopUtils]: For program point L573(lines 573 582) no Hoare annotation was computed. [2021-01-06 13:29:57,298 INFO L189 CegarLoopUtils]: For program point L408(lines 408 582) no Hoare annotation was computed. [2021-01-06 13:29:57,298 INFO L189 CegarLoopUtils]: For program point L375(lines 375 582) no Hoare annotation was computed. [2021-01-06 13:29:57,298 INFO L189 CegarLoopUtils]: For program point L475(lines 475 582) no Hoare annotation was computed. [2021-01-06 13:29:57,298 INFO L189 CegarLoopUtils]: For program point L211-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,298 INFO L189 CegarLoopUtils]: For program point L178-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,298 INFO L189 CegarLoopUtils]: For program point L145-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,298 INFO L189 CegarLoopUtils]: For program point L112-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,299 INFO L189 CegarLoopUtils]: For program point L79-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,299 INFO L189 CegarLoopUtils]: For program point L46-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,299 INFO L189 CegarLoopUtils]: For program point L509(lines 509 582) no Hoare annotation was computed. [2021-01-06 13:29:57,299 INFO L189 CegarLoopUtils]: For program point L311(lines 311 582) no Hoare annotation was computed. [2021-01-06 13:29:57,299 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-01-06 13:29:57,299 INFO L189 CegarLoopUtils]: For program point L179(line 179) no Hoare annotation was computed. [2021-01-06 13:29:57,299 INFO L189 CegarLoopUtils]: For program point L146(line 146) no Hoare annotation was computed. [2021-01-06 13:29:57,299 INFO L189 CegarLoopUtils]: For program point L113(line 113) no Hoare annotation was computed. [2021-01-06 13:29:57,300 INFO L189 CegarLoopUtils]: For program point L80(line 80) no Hoare annotation was computed. [2021-01-06 13:29:57,300 INFO L189 CegarLoopUtils]: For program point L47(line 47) no Hoare annotation was computed. [2021-01-06 13:29:57,300 INFO L189 CegarLoopUtils]: For program point L345(lines 345 582) no Hoare annotation was computed. [2021-01-06 13:29:57,300 INFO L189 CegarLoopUtils]: For program point L246(lines 246 582) no Hoare annotation was computed. [2021-01-06 13:29:57,300 INFO L189 CegarLoopUtils]: For program point L544(lines 544 582) no Hoare annotation was computed. [2021-01-06 13:29:57,300 INFO L189 CegarLoopUtils]: For program point L181-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,300 INFO L189 CegarLoopUtils]: For program point L148-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,300 INFO L189 CegarLoopUtils]: For program point L115-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,301 INFO L189 CegarLoopUtils]: For program point L82-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,301 INFO L189 CegarLoopUtils]: For program point L49-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,301 INFO L189 CegarLoopUtils]: For program point L446(lines 446 582) no Hoare annotation was computed. [2021-01-06 13:29:57,301 INFO L189 CegarLoopUtils]: For program point L413(lines 413 582) no Hoare annotation was computed. [2021-01-06 13:29:57,301 INFO L189 CegarLoopUtils]: For program point L380(lines 380 582) no Hoare annotation was computed. [2021-01-06 13:29:57,301 INFO L189 CegarLoopUtils]: For program point L281(lines 281 582) no Hoare annotation was computed. [2021-01-06 13:29:57,301 INFO L189 CegarLoopUtils]: For program point L182(line 182) no Hoare annotation was computed. [2021-01-06 13:29:57,301 INFO L189 CegarLoopUtils]: For program point L149(line 149) no Hoare annotation was computed. [2021-01-06 13:29:57,302 INFO L189 CegarLoopUtils]: For program point L116(line 116) no Hoare annotation was computed. [2021-01-06 13:29:57,302 INFO L189 CegarLoopUtils]: For program point L83(line 83) no Hoare annotation was computed. [2021-01-06 13:29:57,302 INFO L189 CegarLoopUtils]: For program point L50(line 50) no Hoare annotation was computed. [2021-01-06 13:29:57,302 INFO L189 CegarLoopUtils]: For program point L579(lines 579 582) no Hoare annotation was computed. [2021-01-06 13:29:57,302 INFO L189 CegarLoopUtils]: For program point L249(lines 249 582) no Hoare annotation was computed. [2021-01-06 13:29:57,302 INFO L189 CegarLoopUtils]: For program point L514(lines 514 582) no Hoare annotation was computed. [2021-01-06 13:29:57,302 INFO L189 CegarLoopUtils]: For program point L481(lines 481 582) no Hoare annotation was computed. [2021-01-06 13:29:57,302 INFO L189 CegarLoopUtils]: For program point L316(lines 316 582) no Hoare annotation was computed. [2021-01-06 13:29:57,303 INFO L189 CegarLoopUtils]: For program point L184-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,303 INFO L189 CegarLoopUtils]: For program point L151-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,303 INFO L189 CegarLoopUtils]: For program point L118-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,303 INFO L189 CegarLoopUtils]: For program point L85-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,303 INFO L189 CegarLoopUtils]: For program point L52-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,303 INFO L189 CegarLoopUtils]: For program point L350(lines 350 582) no Hoare annotation was computed. [2021-01-06 13:29:57,303 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 13:29:57,303 INFO L189 CegarLoopUtils]: For program point L185(line 185) no Hoare annotation was computed. [2021-01-06 13:29:57,303 INFO L189 CegarLoopUtils]: For program point L152(line 152) no Hoare annotation was computed. [2021-01-06 13:29:57,304 INFO L189 CegarLoopUtils]: For program point L119(line 119) no Hoare annotation was computed. [2021-01-06 13:29:57,304 INFO L189 CegarLoopUtils]: For program point L86(line 86) no Hoare annotation was computed. [2021-01-06 13:29:57,304 INFO L189 CegarLoopUtils]: For program point L53(line 53) no Hoare annotation was computed. [2021-01-06 13:29:57,304 INFO L185 CegarLoopUtils]: At program point L583(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) .cse1 (= ~a19~0 6)) (and (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 (= ~a10~0 2) .cse1) (and (<= 3 ~a10~0) .cse0 .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2021-01-06 13:29:57,305 INFO L189 CegarLoopUtils]: For program point L550(lines 550 582) no Hoare annotation was computed. [2021-01-06 13:29:57,305 INFO L189 CegarLoopUtils]: For program point L418(lines 418 582) no Hoare annotation was computed. [2021-01-06 13:29:57,305 INFO L189 CegarLoopUtils]: For program point L385(lines 385 582) no Hoare annotation was computed. [2021-01-06 13:29:57,305 INFO L189 CegarLoopUtils]: For program point L220(lines 220 582) no Hoare annotation was computed. [2021-01-06 13:29:57,305 INFO L189 CegarLoopUtils]: For program point L187-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,305 INFO L189 CegarLoopUtils]: For program point L154-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,305 INFO L189 CegarLoopUtils]: For program point L121-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,305 INFO L189 CegarLoopUtils]: For program point L88-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,306 INFO L189 CegarLoopUtils]: For program point L55-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,306 INFO L189 CegarLoopUtils]: For program point L452(lines 452 582) no Hoare annotation was computed. [2021-01-06 13:29:57,306 INFO L189 CegarLoopUtils]: For program point L287(lines 287 582) no Hoare annotation was computed. [2021-01-06 13:29:57,306 INFO L189 CegarLoopUtils]: For program point L254(lines 254 582) no Hoare annotation was computed. [2021-01-06 13:29:57,306 INFO L189 CegarLoopUtils]: For program point L188(line 188) no Hoare annotation was computed. [2021-01-06 13:29:57,306 INFO L189 CegarLoopUtils]: For program point L155(line 155) no Hoare annotation was computed. [2021-01-06 13:29:57,306 INFO L189 CegarLoopUtils]: For program point L122(line 122) no Hoare annotation was computed. [2021-01-06 13:29:57,306 INFO L189 CegarLoopUtils]: For program point L89(line 89) no Hoare annotation was computed. [2021-01-06 13:29:57,306 INFO L189 CegarLoopUtils]: For program point L56(line 56) no Hoare annotation was computed. [2021-01-06 13:29:57,307 INFO L189 CegarLoopUtils]: For program point L519(lines 519 582) no Hoare annotation was computed. [2021-01-06 13:29:57,307 INFO L189 CegarLoopUtils]: For program point L486(lines 486 582) no Hoare annotation was computed. [2021-01-06 13:29:57,307 INFO L192 CegarLoopUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2021-01-06 13:29:57,307 INFO L189 CegarLoopUtils]: For program point L388(lines 388 582) no Hoare annotation was computed. [2021-01-06 13:29:57,307 INFO L189 CegarLoopUtils]: For program point L355(lines 355 582) no Hoare annotation was computed. [2021-01-06 13:29:57,307 INFO L189 CegarLoopUtils]: For program point L322(lines 322 582) no Hoare annotation was computed. [2021-01-06 13:29:57,307 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 13:29:57,307 INFO L189 CegarLoopUtils]: For program point L190-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,308 INFO L189 CegarLoopUtils]: For program point L157-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,308 INFO L189 CegarLoopUtils]: For program point L124-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,308 INFO L189 CegarLoopUtils]: For program point L91-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,308 INFO L189 CegarLoopUtils]: For program point L58-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,308 INFO L189 CegarLoopUtils]: For program point L191(line 191) no Hoare annotation was computed. [2021-01-06 13:29:57,308 INFO L189 CegarLoopUtils]: For program point L158(line 158) no Hoare annotation was computed. [2021-01-06 13:29:57,308 INFO L189 CegarLoopUtils]: For program point L125(line 125) no Hoare annotation was computed. [2021-01-06 13:29:57,308 INFO L189 CegarLoopUtils]: For program point L92(line 92) no Hoare annotation was computed. [2021-01-06 13:29:57,309 INFO L189 CegarLoopUtils]: For program point L59(line 59) no Hoare annotation was computed. [2021-01-06 13:29:57,309 INFO L189 CegarLoopUtils]: For program point L555(lines 555 582) no Hoare annotation was computed. [2021-01-06 13:29:57,309 INFO L189 CegarLoopUtils]: For program point L225(lines 225 582) no Hoare annotation was computed. [2021-01-06 13:29:57,309 INFO L189 CegarLoopUtils]: For program point L424(lines 424 582) no Hoare annotation was computed. [2021-01-06 13:29:57,309 INFO L189 CegarLoopUtils]: For program point L259(lines 259 582) no Hoare annotation was computed. [2021-01-06 13:29:57,309 INFO L189 CegarLoopUtils]: For program point L193-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,309 INFO L189 CegarLoopUtils]: For program point L160-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,309 INFO L189 CegarLoopUtils]: For program point L127-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,310 INFO L189 CegarLoopUtils]: For program point L94-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,310 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 13:29:57,310 INFO L189 CegarLoopUtils]: For program point L61-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,310 INFO L189 CegarLoopUtils]: For program point L524(lines 524 582) no Hoare annotation was computed. [2021-01-06 13:29:57,310 INFO L189 CegarLoopUtils]: For program point L491(lines 491 582) no Hoare annotation was computed. [2021-01-06 13:29:57,310 INFO L189 CegarLoopUtils]: For program point L458(lines 458 582) no Hoare annotation was computed. [2021-01-06 13:29:57,310 INFO L189 CegarLoopUtils]: For program point L293(lines 293 582) no Hoare annotation was computed. [2021-01-06 13:29:57,310 INFO L189 CegarLoopUtils]: For program point L194(line 194) no Hoare annotation was computed. [2021-01-06 13:29:57,310 INFO L189 CegarLoopUtils]: For program point L161(line 161) no Hoare annotation was computed. [2021-01-06 13:29:57,311 INFO L189 CegarLoopUtils]: For program point L128(line 128) no Hoare annotation was computed. [2021-01-06 13:29:57,311 INFO L189 CegarLoopUtils]: For program point L95(line 95) no Hoare annotation was computed. [2021-01-06 13:29:57,311 INFO L189 CegarLoopUtils]: For program point L62(line 62) no Hoare annotation was computed. [2021-01-06 13:29:57,311 INFO L189 CegarLoopUtils]: For program point L558(lines 558 582) no Hoare annotation was computed. [2021-01-06 13:29:57,311 INFO L189 CegarLoopUtils]: For program point L393(lines 393 582) no Hoare annotation was computed. [2021-01-06 13:29:57,311 INFO L189 CegarLoopUtils]: For program point L327(lines 327 582) no Hoare annotation was computed. [2021-01-06 13:29:57,311 INFO L185 CegarLoopUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and .cse0 (= ~a10~0 0) (<= (+ ~a1~0 551894) 0) .cse1 (= ~a19~0 6)) (and (<= 8 ~a19~0) .cse0 .cse1) (and .cse0 (= ~a10~0 2) .cse1) (and (<= 3 ~a10~0) .cse0 .cse1) (and (= ~a10~0 1) .cse0 .cse1))) [2021-01-06 13:29:57,312 INFO L189 CegarLoopUtils]: For program point L361(lines 361 582) no Hoare annotation was computed. [2021-01-06 13:29:57,312 INFO L189 CegarLoopUtils]: For program point L196-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,312 INFO L189 CegarLoopUtils]: For program point L163-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,312 INFO L189 CegarLoopUtils]: For program point L130-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,312 INFO L189 CegarLoopUtils]: For program point L97-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,312 INFO L189 CegarLoopUtils]: For program point L31(lines 31 33) no Hoare annotation was computed. [2021-01-06 13:29:57,312 INFO L189 CegarLoopUtils]: For program point L64-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,312 INFO L189 CegarLoopUtils]: For program point L31-2(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,312 INFO L189 CegarLoopUtils]: For program point L527(lines 527 582) no Hoare annotation was computed. [2021-01-06 13:29:57,313 INFO L189 CegarLoopUtils]: For program point L296(lines 296 582) no Hoare annotation was computed. [2021-01-06 13:29:57,313 INFO L189 CegarLoopUtils]: For program point L230(lines 230 582) no Hoare annotation was computed. [2021-01-06 13:29:57,313 INFO L189 CegarLoopUtils]: For program point L197(line 197) no Hoare annotation was computed. [2021-01-06 13:29:57,313 INFO L189 CegarLoopUtils]: For program point L164(line 164) no Hoare annotation was computed. [2021-01-06 13:29:57,313 INFO L189 CegarLoopUtils]: For program point L131(line 131) no Hoare annotation was computed. [2021-01-06 13:29:57,313 INFO L189 CegarLoopUtils]: For program point L98(line 98) no Hoare annotation was computed. [2021-01-06 13:29:57,313 INFO L189 CegarLoopUtils]: For program point L65(line 65) no Hoare annotation was computed. [2021-01-06 13:29:57,313 INFO L189 CegarLoopUtils]: For program point L32(line 32) no Hoare annotation was computed. [2021-01-06 13:29:57,314 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 13:29:57,314 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 155) no Hoare annotation was computed. [2021-01-06 13:29:57,314 INFO L189 CegarLoopUtils]: For program point L429(lines 429 582) no Hoare annotation was computed. [2021-01-06 13:29:57,314 INFO L189 CegarLoopUtils]: For program point L330(lines 330 582) no Hoare annotation was computed. [2021-01-06 13:29:57,314 INFO L189 CegarLoopUtils]: For program point L264(lines 264 582) no Hoare annotation was computed. [2021-01-06 13:29:57,314 INFO L189 CegarLoopUtils]: For program point L364(lines 364 582) no Hoare annotation was computed. [2021-01-06 13:29:57,314 INFO L189 CegarLoopUtils]: For program point L199-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,314 INFO L189 CegarLoopUtils]: For program point L166-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,315 INFO L189 CegarLoopUtils]: For program point L133-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,315 INFO L189 CegarLoopUtils]: For program point L100-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,315 INFO L189 CegarLoopUtils]: For program point L67-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,315 INFO L189 CegarLoopUtils]: For program point L34-1(lines 30 584) no Hoare annotation was computed. [2021-01-06 13:29:57,315 INFO L189 CegarLoopUtils]: For program point L497(lines 497 582) no Hoare annotation was computed. [2021-01-06 13:29:57,315 INFO L189 CegarLoopUtils]: For program point L464(lines 464 582) no Hoare annotation was computed. [2021-01-06 13:29:57,315 INFO L189 CegarLoopUtils]: For program point L398(lines 398 582) no Hoare annotation was computed. [2021-01-06 13:29:57,315 INFO L189 CegarLoopUtils]: For program point L200(line 200) no Hoare annotation was computed. [2021-01-06 13:29:57,315 INFO L189 CegarLoopUtils]: For program point L167(line 167) no Hoare annotation was computed. [2021-01-06 13:29:57,316 INFO L189 CegarLoopUtils]: For program point L134(line 134) no Hoare annotation was computed. [2021-01-06 13:29:57,316 INFO L189 CegarLoopUtils]: For program point L101(line 101) no Hoare annotation was computed. [2021-01-06 13:29:57,316 INFO L189 CegarLoopUtils]: For program point L68(line 68) no Hoare annotation was computed. [2021-01-06 13:29:57,316 INFO L189 CegarLoopUtils]: For program point L35(line 35) no Hoare annotation was computed. [2021-01-06 13:29:57,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 01:29:57 BoogieIcfgContainer [2021-01-06 13:29:57,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 13:29:57,339 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 13:29:57,339 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 13:29:57,340 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 13:29:57,340 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 01:29:39" (3/4) ... [2021-01-06 13:29:57,343 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 13:29:57,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-01-06 13:29:57,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-01-06 13:29:57,366 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:29:57,367 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 13:29:57,565 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/eca-rers2012/Problem10_label00.c-witness.graphml [2021-01-06 13:29:57,566 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 13:29:57,567 INFO L168 Benchmark]: Toolchain (without parser) took 20999.23 ms. Allocated memory was 154.1 MB in the beginning and 350.2 MB in the end (delta: 196.1 MB). Free memory was 128.0 MB in the beginning and 285.2 MB in the end (delta: -157.2 MB). Peak memory consumption was 39.6 MB. Max. memory is 8.0 GB. [2021-01-06 13:29:57,568 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 126.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 13:29:57,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.11 ms. Allocated memory is still 154.1 MB. Free memory was 127.8 MB in the beginning and 130.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 8.0 GB. [2021-01-06 13:29:57,568 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.73 ms. Allocated memory is still 154.1 MB. Free memory was 130.7 MB in the beginning and 122.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. [2021-01-06 13:29:57,569 INFO L168 Benchmark]: Boogie Preprocessor took 93.42 ms. Allocated memory is still 154.1 MB. Free memory was 122.8 MB in the beginning and 117.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 13:29:57,569 INFO L168 Benchmark]: RCFGBuilder took 1728.40 ms. Allocated memory is still 154.1 MB. Free memory was 117.6 MB in the beginning and 96.2 MB in the end (delta: 21.3 MB). Peak memory consumption was 76.4 MB. Max. memory is 8.0 GB. [2021-01-06 13:29:57,570 INFO L168 Benchmark]: TraceAbstraction took 17993.68 ms. Allocated memory was 154.1 MB in the beginning and 350.2 MB in the end (delta: 196.1 MB). Free memory was 95.7 MB in the beginning and 299.8 MB in the end (delta: -204.2 MB). Peak memory consumption was 176.9 MB. Max. memory is 8.0 GB. [2021-01-06 13:29:57,570 INFO L168 Benchmark]: Witness Printer took 226.64 ms. Allocated memory is still 350.2 MB. Free memory was 299.8 MB in the beginning and 285.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-01-06 13:29:57,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 154.1 MB. Free memory is still 126.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 795.11 ms. Allocated memory is still 154.1 MB. Free memory was 127.8 MB in the beginning and 130.7 MB in the end (delta: -2.8 MB). Peak memory consumption was 25.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 144.73 ms. Allocated memory is still 154.1 MB. Free memory was 130.7 MB in the beginning and 122.8 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.42 ms. Allocated memory is still 154.1 MB. Free memory was 122.8 MB in the beginning and 117.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1728.40 ms. Allocated memory is still 154.1 MB. Free memory was 117.6 MB in the beginning and 96.2 MB in the end (delta: 21.3 MB). Peak memory consumption was 76.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 17993.68 ms. Allocated memory was 154.1 MB in the beginning and 350.2 MB in the end (delta: 196.1 MB). Free memory was 95.7 MB in the beginning and 299.8 MB in the end (delta: -204.2 MB). Peak memory consumption was 176.9 MB. Max. memory is 8.0 GB. * Witness Printer took 226.64 ms. Allocated memory is still 350.2 MB. Free memory was 299.8 MB in the beginning and 285.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 155]: 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: 592]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 0) && a1 + 551894 <= 0) && a12 == 0) && a19 == 6) || ((8 <= a19 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((3 <= a10 && 14 == a4) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((14 == a4 && a10 == 0) && a1 + 551894 <= 0) && a12 == 0) && a19 == 6) || ((8 <= a19 && 14 == a4) && a12 == 0)) || ((14 == a4 && a10 == 2) && a12 == 0)) || ((3 <= a10 && 14 == a4) && a12 == 0)) || ((a10 == 1 && 14 == a4) && a12 == 0) - InvariantResult [Line: 586]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 17.3s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 12.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1096 SDtfs, 1117 SDslu, 68 SDs, 0 SdLazy, 4609 SolverSat, 667 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 327 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1811occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 845 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 33 NumberOfFragments, 119 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1158 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 114 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2633 NumberOfCodeBlocks, 2633 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2621 ConstructedInterpolants, 0 QuantifiedInterpolants, 3219575 SizeOfPredicates, 0 NumberOfNonLiveVariables, 409 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 2013/2127 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...